CN108228878A - The data managing method and its module of Distributed Measurement System - Google Patents
The data managing method and its module of Distributed Measurement System Download PDFInfo
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Abstract
The invention belongs to field of measuring technique, and in particular to a kind of data managing method of Distributed Measurement System and the data management module of Distributed Measurement System.The data managing method of the Distributed Measurement System, including step：Include the data block of test data from test point acquisition and obtain the environmental parameter description information of test data, and data block and environmental parameter description information are formed into data block packet；According to the environmental parameter description information of the data block packet, the test data of test point is at least formed as into data block diagram using the time as sequence, and with the data block figure into data block sequence diagram；According to the data block sequence diagram, extraction test object is in the data scene of setting period.The data managing method of the Distributed Measurement System and the data management module of Distributed Measurement System eliminate the difference of unstructured data, effectively integrate and using test object different test points multigroup test data.
Description
Technical field
The invention belongs to field of measuring technique, and in particular to a kind of data managing method of Distributed Measurement System and distribution
The data management module of formula measuring system.
Background technology
Modern society's high speed development, science and technology is highly developed, and information quickly circulates, and the essence of interbehavior is presented as information
Interaction, big data are come into being in this cyberage.The symbol that data refer to record objective event and can differentiate
Number, be phy symbol or these phy symbols recorded to property, state and correlation of objective things etc. group
It closes.Data are the form of expression and carrier of information, are identifiable, abstract symbols.
Distributed testing technology flourishes, and the data that distributed testing obtains even are related to high-precision science and technology and country's peace
Entirely.Although the demand of current distributed testing is more and more, due to the data format of different data sources in distributed testing
Disunity, it is difficult to integrate and efficiently use；In addition distributed testing can obtain mass data, and data are disperseed mostly with file mode
It preserves, ununified mode can be intuitively managed；Distributed test system needs joint different data sources simultaneously
Data, which are analyzed, can just pinpoint the problems, and not have the mode effectively managed these mass datas yet at present.
Present big data analysis provides new effective means of numerical analysis, but to the processing of different types of data
Producing level is different.It is more next that big data includes structured type, semi-structured type and unstructured type, unstructured data
More become the major part of data.The measuring apparatus of distributed testing technology obtains a large amount of unstructured datas, is detached from and generates number
According to software systems after can not use, and can not also reappear data acquisition scenarios；Since fragmentation of data can not re-start group
It knits, data visualization processing can not be carried out, can not intuitively learn the contact between different data block, different system can not be obtained
Data carry out Conjoint Analysis.
As it can be seen that unstructured data can not be utilized effectively, since information is imperfect, fragmentation exists how by work
The magnanimity test data that industry field obtains carries out structuring processing, effectively integrates and using as important topic urgently to be resolved hurrily.
Invention content
The technical problems to be solved by the invention are for above-mentioned deficiency in the prior art, provide a kind of distribution
The data managing method of measuring system and the data management module of Distributed Measurement System eliminate the difference of unstructured data,
Effectively integrate and using test object different test points multigroup test data.
Technical solution is the data managing method of the Distributed Measurement System used by solution present invention problem, is wrapped
Include step：
Include the data block of test data from test point acquisition and obtain the environmental parameter description information of test data, and
Data block and environmental parameter description information are formed into data block packet；
According to the environmental parameter description information of the data block packet, at least by the test data of test point using the time as sequence shape
As data block diagram, and with the data block figure into data block sequence diagram；
According to the data block sequence diagram, extraction test object is in the data scene of setting period.
Preferably, data block and measuring environment parameter description information are disposed as structural data, the environmental parameter
Description information is included in test point description, measuring apparatus description, the description of measuring apparatus configuration parameter, measuring apparatus state description
At least one of；The data block further include data type, form buffer descriptor.
Preferably, also according to the measuring apparatus configuration parameter description in environmental parameter description information and test data
Start sampling time, sample rate and data length,
Multiple data block diagrams of same test point are formed into data block diagram stream, the data block diagram according to the time is obtained
It is arranged on by sequence of the acquisition time of test data with time shaft in identical parallel direction；
And/or the data block diagram of multiple and different test points is formed into data chunk, the data block according to test point
Figure is separately positioned on using test point as sequence in the parallel direction different from time shaft vertical range.
Preferably, the data block diagram stream and/or at least one institute of the joint test object at least one test point
The test data that the moment is set in data block diagram group is stated, builds data scene.
Preferably, the expression formula of the test data is：
TP(i,m)(t)：The data of the mm data block of i-th of test point；
n(i,m)：The data amount check of the mm data block of i-th of test point；
x(i,m)[kk]：The kth k number evidence of the mm data block of i-th of test point；
The mm data BOB(beginning of block) acquisition time of i-th of test point；
fs(i,m)：The mm data block sample rate of i-th of test point；
δ(tt)：Sampling function.
A kind of data management module of Distributed Measurement System, including acquiring unit, into figure unit and scene extraction unit,
Wherein：
The acquiring unit, for including the data block of test data from test point acquisition and obtaining the ring of test data
Border parameter description information, and data block and environmental parameter description information are formed into data block packet；
It is described into figure unit, for the environmental parameter description information according to the data block packet, at least by the survey of test point
Examination data are formed as data block diagram using the time as sequence, and with the data block figure into data block sequence diagram；
The scene extraction unit, for according to the data block sequence diagram, extraction test object to be in the number of setting period
According to scene.
Preferably, in the acquiring unit, data block and measuring environment parameter description information are disposed as structuring
Data, the environmental parameter description information include test point description, measuring apparatus description, the description of measuring apparatus configuration parameter, survey
Measure at least one in equipment state description；The data block further include data type, form buffer descriptor.
Preferably, in the unit into figure, parameter is configured also according to the measuring apparatus in environmental parameter description information
Description and beginning sampling time, sample rate and the data length of test data,
Multiple data block diagrams of same test point are formed into data block diagram stream, the data block diagram according to the time is obtained
It is arranged on by sequence of the acquisition time of test data with time shaft in identical parallel direction；
And/or the data block diagram of multiple and different test points is formed into data chunk, the data block according to test point
Figure is separately positioned on using test point as sequence in the parallel direction different from time shaft vertical range.
Preferably, in the scene extraction unit, joint test object is in the data of at least one test point
The test data at moment is set in block diagram stream and/or at least one data block diagram group, builds data scene.
Preferably, the expression formula of the test data is：
TP(i,m)(t)：The data of the mm data block of i-th of test point；
n(i,m)：The data amount check of the mm data block of i-th of test point；
x(i,m)[kk]：The kth k number evidence of the mm data block of i-th of test point；
The m than the m-th data BOB(beginning of block) acquisition times of i-th of test point；
fs(i,m)：The mm data block sample rate of i-th of test point；
δ(tt)：Sampling function.
The beneficial effects of the invention are as follows：The data managing method of the Distributed Measurement System and the number of Distributed Measurement System
According to management module, a kind of method that important information except test data is described is provided, data are effectively integrated
And utilization, and can intuitively carry out checking and obtain data scene, it has the following advantages that：
To test and measure obtained data and carry out structuring processing, can with self-explanatory, the not only type comprising test data,
The environment description of test data acquisition is further included, so as to which each data block is complete；
Data block packet can be represented in figure in a manner of visual, so as to build data time sequence figure, can facilitate tissue not
With the test data of period, and check the environmental parameter description information that test data obtains；
The test data obtained in different measuring systems can be built into scene, it may be convenient to check under different scenes
The state and data of different system, are compared, so as to easily be associated analysis.
Description of the drawings
Fig. 1 is the flow chart of the data managing method of Distributed Measurement System of the present invention；
Fig. 2 is the structure diagram of the data management module of Distributed Measurement System of the present invention；
Fig. 3 is the composition schematic diagram of data block packet in the present invention；
Fig. 4 is the schematic diagram of data block sequence diagram in the embodiment of the present invention 1；
Fig. 5 is the schematic diagram of data block sequence diagram in the embodiment of the present invention 2；
Fig. 6 is the schematic diagram of data block sequence diagram in the embodiment of the present invention 3；
Fig. 7 is the schematic diagram of data block sequence diagram in the embodiment of the present invention 4；
In reference numeral：
1- acquiring units；2- is into figure unit；3- scene extraction units.
Specific embodiment
For those skilled in the art is made to more fully understand technical scheme of the present invention, below in conjunction with the accompanying drawings and specific embodiment party
Formula makees the data managing method of Distributed Measurement System of the present invention and the data management module of Distributed Measurement System further
Detailed description.
Electronic metering equipment is as unique association strategic industry, the development quality of own, to entire national economy
The development of particularly electronics and information industry has fairly obvious influence.Towards newest application, measuring apparatus is also towards distribution
The directions such as the formula network interconnection, synchro measure, gridding measurement are developed, and number is tested in the test that will generate magnanimity in this process
According to.The electronic metering equipment market in China is huge, and demand is big, electronic metering equipment the development of electronics and information industry is played to
Close important role.
However, the test data individually collected is often what directly cannot be managed and use, reason includes：
1. collected data are typically only data in itself, and data are described data format, data type, number
It can be usually ignored according to information such as length, physical quantity units；
2. data are that collected usually there is no in a manner that one dominant illustrate and provide at which place；
3. the configuration of equipment and equipment that gathered data uses at that time is different, the numerical value of measurement usually has significantly not
Together；
4. equipment special state description whether in need during gathered data, this is also usually influenced whether finally to data
Explanation；
The certain special instructions do not mentioned more than 5..
In face of the form of current big data high speed development, the big data utilization of testing field at present becomes more and more important, in view of with
On various reasons, technical concept of the invention is：From the source that data acquire, standardization processing is carried out to data, with number
It is described as foundation according to environment is obtained, to the mass data of the Distributed Measurement Systems of more measuring apparatus, more test points into professional etiquette
Model is integrated and is utilized, and it is creative devise a kind of new data descriptive model, can be intuitively by a variety of sources, not apposition
The data of formula are managed concentratedly under same environment.Based on this method, both easily data can be carried out global general
It lookes at, quickly position, and quickly data can be converted, searched for, extracted and association analysis etc., greatly improve pair
The control of test object integral status.
As shown in Figure 1, the data managing method of the Distributed Measurement System includes step：
Step S1)：It is retouched from the environmental parameter that test point acquisition includes the data block of test data and obtains test data
Information is stated, and data block and environmental parameter description information are formed into data block packet；
Step S2)：According to the environmental parameter description information of data block packet, at least by the test data of test point using the time as
Sequence is formed as data block diagram, and with data block figure into data block sequence diagram；
Step S3)：According to data block sequence diagram, extraction test object is in the data scene of setting period.
Here data scene refers to one or more test objects for setting, seize it is directly related or
Polymorphic type measuring apparatus, the multi-point sampler data of indirect correlation, so as to know the survey by the big data analysis of various dimensions
Examination object is being set in the multi-faceted or comprehensive parameter of set period of time or setting moment or state or multiple test object
Section of fixing time or setting moment multi-faceted or comprehensive combined parameters or united state so as to construction or restore and the test pair
Test scene at that time as correlation or including the test object.
Correspondingly, the present invention also provides a kind of data management module of Distributed Measurement System, as shown in Fig. 2, it includes
Acquiring unit 1, into figure unit 2 and scene extraction unit 3, wherein：
Acquiring unit 1, for including the data block of test data from test point acquisition and obtaining the environment of test data
Parameter description information, and data block and environmental parameter description information are formed into data block packet；
Into figure unit 2, for the environmental parameter description information according to data block packet, at least by the test data of test point with
Time is formed as data block diagram for sequence, and with data block figure into data block sequence diagram；
Scene extraction unit 3, for according to data block sequence diagram, extraction test object to be in the data scene of setting period.
Therefore, the data managing method and its module of Distributed Measurement System of the invention is keeping each measuring system
Under the premise of unstructured data, the environmental parameter description information of unstructured data is cleverly utilized, with single test point
Environmental parameter description information on the basis of formed, based on data block packet including test data, simple change data is adopted
Collect the data acquiring mode of the electronic metering equipment in source, so as to " the lacking using unstructured data from the source that data acquire
Point " solves the way to manage of unstructured data, to being shown, comparing and analyzing from not homologous big data, in order to
Integration and utilization of the test data from different test systems when assessing certain an object, are provided to test object each side planar
The global control of condition.
Embodiment 1：
The present embodiment provides a kind of data managing method of Distributed Measurement System, by towards in test measurement process
Obtained test data distinguishes the environmental parameter description information that multi-panel characterization can be carried out to test object (including device parameter etc.)
And test data, visualization processing is carried out to test data, makes it possible to be effectively integrated and utilized.
The data managing method of Distributed Measurement System in the present embodiment, including step：
Step S1)：It is retouched from the environmental parameter that test point acquisition includes the data block of test data and obtains test data
Information is stated, and data block and environmental parameter description information are formed into data block packet.
Wherein, the acquisition point of test point, that is, test data, a test point can be a measuring apparatus or one
One channel of platform measuring apparatus, the reading of the test data, that is, measuring apparatus obtained from test point.Distributed Measurement System is
Multiple test points are distributed in different places, and the data of each test point acquisition carry out a series of operation and summarize.
The composition of data block packet is：Data block and measuring environment parameter description information including structuring.Data block includes
Data type, the buffer descriptor of form and test data etc.；As shown in figure 3, measuring environment parameter description information includes test
Point description, measuring apparatus description, the description of measuring apparatus configuration parameter, measuring apparatus state description etc..
In this step, data block packet by test data and obtain test data environment description be packaged into one not
Alienable entirety, as the minimum unit of distributed data management, data block packet had both saved the test with certain format
Data, and the other informations such as the relevant acquisition environmental parameter description information of test data are remained, so as to ensure that data describe
Integrality, the processing such as thus can be carried out comparing, convert, map between each data block packet.
Detailed description below how by non-structured data conversion into the process of the data block packet of structuring：
Above-mentioned information is to describe to be by testing Account Dept from different sources, such as test point description and measuring apparatus
What administration personnel or system provided；Measuring apparatus configuration parameter description is typically to be provided by site operation personnel or testing system software
's；Measuring apparatus state description and test data are then automatically generated by measuring apparatus；Buffer descriptor is by test system
What software or system deployment personnel provided.Therefore, it is defined respectively for the descriptor format of these information, and by corresponding right
As providing；When forming data block APMB package, these description informations are automatically extracted and matched, uniform packing is into data block
Packet.Certainly, increasing with application, the descriptions of these information can also be realized by program or software it is semi-automatic/automatically enter
Or acquisition, it is not construed as limiting here.
Below with the PXI6203 rf signal analysis instrument of PesMatrix Inc. companies test RF local oscillator PXI6101's
For output power, illustrate important information description and the method collected other than this test data.
Buffer descriptor for illustrate collect the form of data, acquisition the time started, sample rate, data type,
Data bits, data length, numerical value unit and collected test data etc..For example, it is a data block format below
The example of file is described：The version number is that the description file of V1.1 illustrates one section in 2018-01-0110:30:25
The data segment of the binary format of 16 word lengths of 1024 points acquired in the 0.30105s times with 100MSps sample rates,
Middle decimal point can convert thereof into the data of mV at end with formula " 0.045x+0.224 ".
#Data Format Description Filefor DATA ID 20180101
[DFVersion]
Major=1
Minor=1
[DFDataFormat]
DataType=" Binary "
DataBits=16
ScalingPos=0
DataCounts=1024
[DFDataConverter]
Formula=" 0.045x+0.224 "
Unit=" mV "
[DFSampling]
SampleRate=100MSps
StartTime=" 2018-01-01 10:30:25 0.30105s”
[DFMore]
All description files carry out tissue by the way of character, facilitate people's reading and machine recognition simultaneously in this way.Its
In to people read comment line started with " # ", such as " #Data Format Description File for DATA ID
20180101”.One description file can be divided into several segmentations according to description content type therein, and each segmentation is by [description
Symbol] start, such as " [DFDataFormat] "；Each segmentation is made of multiple parameters row, and each parameter line is by a key and right
Key assignments is answered to form, such as key is " DataBits " in " DataBits=16 ", expression parameter title；It is that parameter is corresponding after "="
Key assignments, it is the numerical value of 16 to represent each numerical value.
First segmentation for describing file is all the version information for describing file, to adapt to drilling for description file format
Into；The last one is segmented into more off-gauge supplemental informations.
Test point description is including but not limited to tested for illustrating the position feature or attribute of the test point of distributed testing
Point globally unique identifier ID, can also include the descriptions such as physical address or GPS addresses, longitude and latitude.Following present the tests
Point is deployed in address as 40.05243N, 116.32565E, and the number from PesMatrix Inc. companies is
The output power of 003 component of the RF local oscillator PXI6101 of PXI61011732007.
#Test Point Description File with TPID 130433
[TPVersion]
Major=1
Minor=1
[TPID]
ID=130433
[TPDUT]
Vendor=" PesMatrix Inc. "
Product=" RF Systhesizer "
Model=" PXI6101 "
SerialNumber=" PXI61011732007 "
[TPLocation]
LongtitudeAndLantitude=" 40.05243N, 116.32565E "
[TPTestProject]
PartNo.=" 003 "
TestItem=" OutputPower "
[TPMore]
Measuring apparatus describes the information for illustrating data acquisition equipment, the including but not limited to globally unique mark of measuring apparatus
Know symbol ID, measuring apparatus production firm, unit type, equipment Serial Number etc..Following present measuring apparatus be from
The description of the rf signal analysis instrument PXI6203 of PesMatrix Inc. companies Serial No. PXI620332003.
#Measurement Instrument Description File with PXI6203
[MIVersion]
Major=1
Minor=1
[MIID]
ID=00240
[MI]
Vendor=" PesMatrix Inc. "
Product=" RF Signal Analyzer "
Model=" PXI6203 "
SerialNumber=" PXI620332003 "
[MIMore]
Measuring apparatus configuration parameter describes to illustrate that data acquisition equipment carries out the parameter configuration at data acquisition moment, example
Parameter configuration such as frequency spectrograph includes but not limited to range, centre frequency, amplitude, datum, the setting of attenuated inside device, RBW
Current channel that resolution bandwidth, data acquire etc..The configuration parameter of different types of measuring apparatus is different, and one can be with
The strategy of selection is defined using the instrument type of current standard, and same type of measuring apparatus uses unified configuration parameter, example
Such as the definition of IVI compatible class instrument drivings, one group of general standard attribute and access function is defined to same instrument.Below
Give the test configurations based on rf signal analysis instrument PXI6203, including radio frequency input configuration, intermediate frequency output configuration and
The configuration description of reference clock.
#Measurement Instrument Configuration Description File with PXI6203
[ICVersion]
Major=1
Minor=1
[ICIFOUT]
ActiveIFOutput=1
IFOutputFilterBandwidth=20MHz
IFOutputEnabled=1
IFGain=40dB
[ICREFOSC]
ReferenceOscillatorExternalFrequency=100MHz
ReferenceOscillatorSource=External
ReferenceOscillatorOutputEnabled=1
[ICRFINPUT]
ActiveRFInput=1
RFInputAttenuation=30dB
RFInputCoupling=AC
RFInputFrequency=3.6500GHz
[ICMore]
Measuring apparatus state parameter describes to illustrate that Current data acquisition equipment carries out the system shape at data acquisition moment
Whether state, including but not limited to current operating temperature switching number, electric current, the states such as outrange, and can also include warning
Information and error message.
#Measurement Instrument Status Description File with PXI6503
[ISVersion]
Major=1
Minor=1
[ISErr]
ErrNo.Stack=#301, #405
[ISWarning]
WarningNo.Stack=#1105, #0030
[ISMore]
When data block packet is generated, the corresponding buffer descriptor of specified data, measuring apparatus description, measurement is needed to set
Standby configuration parameter description, the description of measuring apparatus state parameter, the collected test number after above-mentioned environmental parameter description information
According to.Due to not only containing test data in itself in data packet, further comprising data format and obtaining the environment of test data
All necessary informations, therefore, the data block package informatin is comprehensive, and can subsequently carry out various turns with self-explanation
It changes, compare, analyze and process.
Data block and measuring environment parameter the description information category when forming data block packet give structuring processing respectively,
The comprehensive data block packet formed is structural data, and convenient for carrying out tissue with the data structure of figure, parameters name is referred to as key
Key, corresponding value can index corresponding data as key assignments by key.Data block packet in this way has the scalability, and increases new
Parameter only needs to increase new key and key assignments when program is set.
Shown in test data expression formula such as formula (1) in the data block packet of one test point：
Wherein：
TP(t)：The data of the test point；
n：Collected data amount check；
x[kk]：Kth k number evidence；
tstart：Start acquisition time；
fs：Sample rate；
δ(tt)：Sampling function.
Step S2)：According to the environmental parameter description information of data block packet, by the test data of test point using the time as sequence shape
As data block diagram, and with data block figure into data block sequence diagram.
Data block diagram is the figure that test data and environmental parameter description information are formed in a coordinate system in data block packet, is
Corresponding test point is under identical test environment and configuration condition, the figure of data block packet that the test data that continuously measures is formed
It represents.Data block diagram includes at least configuration information figure and test data figure.In this step, parameter is configured according to measuring apparatus to retouch
It states and beginning sampling time, sample rate and the data length of test data, the test data in data block packet is made with the time
It serves as theme setting data block diagram, data block figure shows as a wicket, and the data block diagram in the present embodiment can refer to Fig. 4.
As shown in figure 4, for the acquisition data of a test point, data block diagram is set using the acquisition time of test data as sequence
It puts and sets in identical parallel direction, i.e., the distribution arrangement of test data is parallel with time shaft in data block diagram with time shaft
It puts.For the sake of clear, configuration item, status bar and data strip are generally included in data block diagram, configuration item is represents current measuring apparatus
Configuration figure, status bar is the figure for the state for representing current measuring apparatus, and data strip is represents current collected number
According to figure, the length of data strip in data block packet data acquisition duration it is related, by the scale of time shaft.
In Fig. 4 be configured item, status bar, data strip figure illustrated with bar shaped, but in practical applications can basis
Demand carries out the flexible selection of shape diagram, does not limit here.For example, configuration item can represent to be configured with different colors
Difference so as to which whether the configuration for intuitively showing measurement point measuring apparatus in measurement process changes, and then is reminded and is seen
Whether the different data block that the person's of examining test point obtains can directly carry out the comparison of numerical value.Certainly, the signal that item is configured is to adopt
It is prompted with color or shape, is not limited here.
Wherein, for data block diagram along the position on time-axis direction in coordinate diagram, i.e. data block map distance time shaft is absolute
The distance (distance of straight line vertical with time shaft and by time shaft absolute coordinate origin) of coordinate origin is such as formula (2) institute
Show：
x0：The starting abscissa positions of data block diagram；
T0：The absolute time of the coordinate origin of data block diagram；
Sdiv：The horizontal axis coordinate graduated scale of data block diagram, such as mm/s.
Data strip is curve, color lump for representing one group of numerical values recited etc..Data strip can use the power of color table registration value,
The mapping relations between numerical value and color are defined by setting palette.For example, representing that numerical value is smaller with cool tone blue, warm up
Tone red represents that numerical value is larger, when collected data gradually increase, can be appreciated that data strip by cool colour tuning warm tones mistake
It crosses, such as gradually becomes red by blue.
Data strip can also be embedded in graphical representation current data and change with time, and different data block packet can use not
Same coordinate system, can also be unified into identical coordinate system.When being unified into identical coordinate system, tool can be provided into line number
Value conversion is (if the corresponding configuration of different data blocks is different or data data format in the block is different, herein into line number
According to normalization).Here the mode for equally not representing data variation to data strip limits.
Shown in data strip length such as formula (3) in data block diagram：
ll：The length of data strip.
Step S3)：According to data block sequence diagram, extraction test object is in the data scene of setting period.
In the step, according to time shaft a certain moment corresponding figure in data block diagram, a certain moment can be easily obtained
The data scene of test object.That is, in data scene corresponding data block diagram a certain moment slice, expression is distributed testing
A moment scene of the system at the moment, including the time point upper different test points configuration (in the present embodiment only with
The configuration of one test point is as example), state and data, so as to restore the distributed test system shape at the moment comprehensively
State can carry out measurand multi dimensional analysis or carry out multi-angular analysis to distributed test system, be tested in complexity
It is extremely useful in project.
Correspondingly, the present embodiment also provides a kind of data management module of Distributed Measurement System, including acquiring unit,
Into figure unit and scene extraction unit, wherein：
Acquiring unit, for including the data block of test data from test point acquisition and obtaining the environment ginseng of test data
Number description information, and data block and environmental parameter description information are formed into data block packet；
Into figure unit, for the environmental parameter description information according to data block packet, by the test data of test point with the time
Be formed as data block diagram for sequence, and with data block figure into data block sequence diagram；
Scene extraction unit, for according to data block sequence diagram, extraction test object to be in the data scene of setting period.
Wherein, in acquiring unit, data block and measuring environment parameter description information are disposed as structural data, environment
Parameter description information includes test point description, measuring apparatus description, the description of measuring apparatus configuration parameter, measuring apparatus state description
At least one of in；Data block further include data type, form buffer descriptor.
Into in figure unit, measuring apparatus configuration parameter description and test data in environmental parameter description information
Beginning sampling time, sample rate and data length, by the data block of test point using the acquisition time of test data as sequence distinguish
It is arranged in the parallel direction identical with time shaft vertical range.
In scene extraction unit, the test data at moment is set in the data block diagram of test point by test object,
Build data scene.
Identical with the data managing method of Distributed Measurement System, data block packet here is the data block for including structuring
With measuring environment parameter description information, measuring environment parameter description information includes test point description, measuring apparatus describes, measurement is set
Standby configuration parameter description, measuring apparatus state description, data block include data type, the buffer descriptor of form and test number
According to.
The data management module of Distributed Measurement System in a manner of program mode (PM) or processing terminal for users to use, wherein
Including processing terminal and matched memory module, processing terminal can realize each instruction, and memory module can store a plurality of
Instruction, these instructions, which are applicable in, to be loaded and is performed by processing terminal, and the processing of data is specifically referred in each unit of the system
The data managing method corresponding step explanation of Distributed Measurement System, I will not elaborate.
Embodiment 2：
The present embodiment provides a kind of data managing method of Distributed Measurement System, by towards in test measurement process
The test data of obtained magnanimity distinguishes the device parameter and test data that multi-panel characterization can be carried out to test object, to test
Data carry out visualization processing, make it possible to be effectively integrated and utilized.
Unlike the data managing method of the Distributed Measurement System of embodiment 1, the number of the Distributed Measurement System
Include multigroup test data according to the test point of management method.In order to which the record test object do not omitted is in certain significant condition,
Or for the transient response that the variation of certain external environment is made, it is often necessary to it exhaustively record for a long time, from
And it is formed several continuous data slots.Subsequently analysis, Ke Yikao is being further processed in these data slots
Examine the characteristic of live measurand.
The data managing method of Distributed Measurement System in the present embodiment, including step：
Step S1)：Include the data block of multigroup test data from test point acquisition and obtain the environment ginseng of test data
Number description information, and data block and environmental parameter description information are formed into data block packet.
Under normal conditions, test point can with the multigroup test data of the acquisition of intermittence, each group of test data and its
The environmental parameter description information of corresponding test data forms a data block packet, multigroup test data and its tests number accordingly
According to environmental parameter description information form multiple data block packets.Data block and measurement of each data block packet equally including structuring
Environmental parameter description information.Measuring environment parameter description information includes test point description, measuring apparatus description, measuring apparatus configuration
Parameter description, measuring apparatus state description, data block include data type, the buffer descriptor of form and test data.
Shown in test data expression formula such as formula (4) in the data block packet of a certain test point：
Wherein：
TP(m)(t)：The data of the mm data block packet of the test point；
n(m)：The data amount check of the mm data block packet of the test point；
x(m)[kk]：The kth k number evidence of the mm data block of the test point；
The mm data BOB(beginning of block) acquisition time of the test point；
fs(m)：The mm data block sample rate of the test point；
δ(tt)：Sampling function.
Here data block packet is structural data, convenient for carrying out tissue with the data structure of figure.
Step S2)：According to the environmental parameter description information of data block packet, by multigroup test data of test point using the time as
Sequence is formed as data block diagram, and with data block figure into data block sequence diagram.
In this step, beginning sampling time, the sample rate of parameter description and test data are configured according to measuring apparatus
And data length, multiple data block diagrams of same test point are formed into data block diagram stream according to the time is obtained, data block diagram is to survey
The acquisition time of examination data is arranged on time shaft for sequence in identical vertical direction.As shown in figure 5, i.e. by same test
The data block diagram of point set to form data block diagram stream using the time as main line, the data that the same multiple data block packets of test point are formed
Block diagram flow distribution is arranged in parallel with time shaft, and data block diagram stream is a kind of special shape of data block sequence diagram.
Shown in test data expression formula such as formula (5) in one data block packet of a certain test point,
Wherein：
TP(t)：The data of the test point；
M：The data block packet number of the test point.
In data block diagram stream a certain data block diagram in coordinate diagram along the position on time-axis direction, i.e. data block map distance
Time shaft absolute coordinate origin horizontal distance (straight line vertical with time shaft and by time shaft absolute coordinate origin away from
From) as shown in formula (6)：
x0(m)：Starting abscissa positions of the mm data block diagram of the test point in data block sequence diagram；
T0：The absolute time of the coordinate origin of data block sequence diagram；
Sdiv：The horizontal axis coordinate graduated scale of data block sequence diagram, such as mm/s.
Shown in data strip length such as formula (7) in data block diagram：
l(m)：Length of the data block diagram that the mm data block packet of the test point is formed in data block sequence diagram.
Step S3)：According to data block sequence diagram, extraction test object is in the data scene of setting period.
In the step, according to time shaft a certain moment corresponding figure in data block diagram stream, certain can be easily obtained for the moment
Carve the data scene of test object.Based on different data block diagrams, same test object can be carried out long lasting for property
Behavior tracking or Performance Evaluation.
Correspondingly, the present embodiment also provides a kind of data management module of Distributed Measurement System, including acquiring unit,
Into figure unit and scene extraction unit, wherein：
Acquiring unit, for including the data block of multigroup test data from test point acquisition and obtaining the ring of test data
Border parameter description information, and data block and environmental parameter description information are formed into data block packet；
Into figure unit, for the environmental parameter description information according to data block packet, by multigroup test data of test point with
Time is formed as data block diagram for sequence, and with data block figure into data block sequence diagram；
Scene extraction unit, for according to data block sequence diagram, extraction test object to be in the data scene of setting period.
Specifically may be used in each unit of the data management module of Distributed Measurement System in the present embodiment to the processing of data
The data managing method corresponding step explanation of reference distribution formula measuring system, I will not elaborate.
Embodiment 3：
The present embodiment provides a kind of data managing method of Distributed Measurement System, by towards in test measurement process
The test data of obtained magnanimity distinguishes the device parameter and test data that multi-panel characterization can be carried out to test object, to test
Data carry out visualization processing, make it possible to be effectively integrated and utilized.
Unlike the data managing method of the Distributed Measurement System of embodiment 1,2, the Distributed Measurement System
The test point of data managing method is multiple test points.
The data managing method of Distributed Measurement System in the present embodiment, including step：
Step S1)：Include the data block of test data from the acquisition of multiple test points and obtain the environment ginseng of test data
Number description information, and data block and environmental parameter description information are formed into data block packet.
In certain time period, each test point at least obtains one group of test data, can be by more to same test object
A test point is monitored, while obtains the data mass of multiple test points.The data block packet equally includes the data of structuring
Block and measuring environment parameter description information.Measuring environment parameter description information includes test point description, measuring apparatus description, measures
Equipment configuration parameter description, measuring apparatus state description, data block include data type, the buffer descriptor of form and test number
According to.
Shown in test data expression formula such as formula (8) in the data block packet of multiple test points,
Wherein：
TP(i)(t)：The data of i-th of test point；
n(i)：The data amount check of i-th of test point；
x(i)[kk]：The kth k number evidence of i-th of test point；
The beginning acquisition time of i-th of test point；
fs(i)：The sample rate of i-th of test point；
δ(tt)：Sampling function.
Here data block packet is structural data, convenient for carrying out tissue with the data structure of figure.The number of multiple test points
According to block packet such as formula (9) Suo Shi：
D(t)：The test data set of Distributed Measurement System；
N：The quantity of total distributed test point in Distributed Measurement System.
Step S2)：According to the environmental parameter description information of data block packet, by the test data of multiple test points using the time as
Sequence is formed as data block diagram, and with data block figure into data block sequence diagram.
In this step, beginning sampling time, the sample rate of parameter description and test data are configured according to measuring apparatus
And data length, the test data in the data block packet of test point is formed as into data block diagram, data block diagram using the time as sequence
Distribution is arranged in parallel with time shaft；The data block diagram of multiple and different test points is formed into data chunk, data block according to test point
Figure is separately positioned on using test point as sequence in the parallel direction different from time shaft vertical range.
As shown in fig. 6, the reference axis Distance Time axis parallel with time shaft of the test data of same test point is vertical
Apart from identical, the vertical range of the reference axis Distance Time axis parallel from time shaft of the test data of different test points is different,
So as to form the data block diagram group of multirow data block diagram, the vertical range of each test point Distance Time axis can be in data block diagram group
It is flexibly selected as needed, data block diagram group is a kind of special shape of data block sequence diagram.
In data block diagram group a certain data block diagram in coordinate diagram along the position on time-axis direction, i.e. data block map distance
The horizontal distance of time shaft absolute coordinate origin, as shown in formula (10)：
x0(i)：Starting abscissa positions of the data block diagram of i-th of test point in data block sequence diagram；
T0：Data block diagram is in the absolute time of the coordinate origin of data block sequence diagram；
Sdiv：Data block diagram is in the horizontal axis coordinate graduated scale of data block sequence diagram, such as mm/s.
Shown in data strip length such as formula (11) in data block diagram：
l(i)：Length of the data block packet of i-th of test point in data block sequence diagram.
Multirow data block diagram is uniformly distributed in coordinate diagram along test point distribution axis, specific data block map distance reference axis
Interval between the vertical range of origin and height, that is, data block diagram of data block diagram is related.
Step S3)：According to data block sequence diagram, extraction test object is in the data scene of setting period.
It, can be square according to multirow data block diagram in data block diagram group in time shaft a certain moment corresponding figure in the step
Just the data scene of a certain moment test object of acquisition.That is, data scene is exactly sometime to be carved in corresponding data block diagram
Slice, expression is a moment scene of the distributed test system at the moment, including the time point upper different tests
Configuration, state and the data of point, so as to restore the distributed test system state at the moment comprehensively, so as to tested
Object carries out multidimensional analysis or carries out multi-angular analysis to distributed test system, extremely has in complicated test event
With.
Correspondingly, the present embodiment also provides a kind of data management module of Distributed Measurement System, including acquiring unit,
Into figure unit and scene extraction unit, wherein：
Acquiring unit, for including the data block of test data from the acquisition of multiple test points and obtaining the ring of test data
Border parameter description information, and data block and environmental parameter description information are formed into data block packet；
Into figure unit, for the environmental parameter description information according to data block packet, by the test data of multiple test points with
Time is formed as data block diagram for sequence, and with data block figure into data block sequence diagram；
Scene extraction unit, for according to data block sequence diagram, extraction test object to be in the data scene of setting period.
Specifically may be used in each unit of the data management module of Distributed Measurement System in the present embodiment to the processing of data
The data managing method corresponding step explanation of reference distribution formula measuring system, I will not elaborate.
Embodiment 4：
The present embodiment provides a kind of data managing method of Distributed Measurement System, by towards in test measurement process
The test data of obtained magnanimity distinguishes the device parameter and test data that multi-panel characterization can be carried out to test object, to test
Data carry out visualization processing, make it possible to be effectively integrated and utilized.
Unlike the data managing method of the Distributed Measurement System of embodiment 1,2, the Distributed Measurement System
The test point of data managing method is multiple test points, and each test point includes multigroup test data.In some complicated monitoring
In, the cooperative cooperating of multisystem measuring apparatus is needed, the data collected to multiple measuring apparatus of different system are divided
Analysis, at this time can summarize the test data of data block packet that different system obtains, so as to obtain data block sequence diagram, with more
The situation of test object in comprehensive reflection distributed test system.
The data managing method of Distributed Measurement System in the present embodiment, including step：
Step S1)：Include the data block of multigroup test data from the acquisition of multiple test points and obtain the ring of test data
Border parameter description information, and data block and environmental parameter description information are formed into data block packet.
The more test points of same test object progress, long period are continued to monitor, are of great significance at two aspects：
Same measurement object can be analyzed from multiple angles, so as to obtain multidimensional analysis, can more fully analyze test object.
For example, being measured simultaneously for the output speed of motor, output torque, temperature liter etc., the operating mode of motor can be analyzed comprehensively；Separately
On the one hand, network analysis can be carried out by the test of multiple test points, so as to investigate the transmission characteristic of measurand.For example,
The input signal and output signal of wave filter are analyzed simultaneously, the amplitude versus frequency characte and phase-frequency characteristic of wave filter can be obtained
Deng.Under normal conditions, in order to capture unexpected abnormality signal or transient response, it is often necessary to carry out more test points, length to data
The test of time and record.
Shown in test data expression formula such as formula (12) in the different data block packet of multiple test points；
Wherein：
TP(i,m)(t)：The data of the mm data block packet of i-th of test point；
n(i,m)：The data amount check of the mm data block packet of i-th of test point；
x(i,m)[kk]：The kth k number evidence of the mm data block packet of i-th of test point；
I-th of test point, the mm data block unwraps beginning acquisition time；
fs(i,m)：The mm data block packet sample rate of i-th of test point；
δ(tt)：Sampling function.
Step S2)：According to the environmental parameter description information of data block packet, by multigroup test data of multiple test points with when
Between for sequence be formed as data block diagram, and with data block figure into data block sequence diagram.
In this step, multiple data block packets of multiple test points form data set, and data block diagram is using the time as main line
Data block diagram in data block packet is set, and multiple data block diagram distributions are arranged in parallel with time shaft.It is same in data block sequence diagram
Multiple data block figures of test point are into data block diagram stream, and multiple data block figures of multiple test points are into data block diagram group.Number
It can flexibly be selected as needed according to the vertical range of test point Distance Time axis each in block diagram group, but same test point
The vertical range of multiple data block map distance times of data block diagram stream is identical.
Shown in test data expression formula such as formula (13) in the data block packet of multiple test points：
Wherein：
TPi(t)：The data of i-th of test point；
i：Test piont mark；
M：The data block packet number of i-th of test point.
Here data block packet is structural data, convenient for carrying out tissue with the data structure of figure.The number of multiple test points
According to block packet such as formula (14) Suo Shi：
D(t)：The test data set of Distributed Measurement System；
N：The quantity of total distributed test point in Distributed Measurement System, N are natural number.
Data block sequence diagram can show all tests of different test points in entire distributed test system on the whole
The distribution situation of data and test environment at any time.Its longitudinal axis is divided into one or more data tracks, is one in each data track
A data block diagram group, represents the collected data of different time sections of different test points, and horizontal axis represents the time.One data block diagram
It is the expression of the figure of a data block packet in data block sequence diagram.Data block sequence diagram is as shown in Figure 7 in the present embodiment.
Data block diagram is in coordinate diagram along the position on time-axis direction, i.e. data block map distance time shaft absolute coordinate original
The distance (distance of straight line vertical with time shaft and by time shaft absolute coordinate origin) of point is such as shown in formula (15)：
x0(i,m)：Starting abscissa positions of the mm data block of i-th of test point in data block sequence diagram；
T0：The absolute time of the coordinate origin of data block sequence diagram；
Sdiv：The horizontal axis coordinate graduated scale of data block sequence diagram, such as mm/s.
Shown in data strip length such as formula (16) in data block diagram：
l(i,m)：Length of the mm data block of i-th of test point in data block sequence diagram.
Step S3)：According to data block sequence diagram, the data scene of test object is extracted.
In the step, multiple data blocks of same test object for being obtained due to multiple test points with time shaft to hang down
Straight mode is presented in same displaying figure, therefore can easily obtain the data scene of a certain moment test object.That is, data
Scene is exactly the slice sometime carved in corresponding data block diagram, and expression is a wink of the distributed test system at the moment
Between scene, including configuration, state and the data of the time point upper different test points, so as to restore the moment comprehensively
Distributed test system state, so as to carry out multidimensional analysis to measurand or carried out to distributed test system
Multi-angular analysis, it is extremely useful in complicated test event.
Data scene extraction is carried out according to data block sequence diagram, i.e. Distributed Measurement System data set is in TjThe slice at moment
As shown in formula (17)：
Extracted by data scene, can obtain for same test object its relevant peripheral test point it is comprehensive,
Detailed data, so as to make effective analysis to the analysis and assessment of test object situation.
Correspondingly, the present embodiment also provides a kind of data management module of Distributed Measurement System, including acquiring unit,
Into figure unit and scene extraction unit, wherein：
Acquiring unit, for including the data block of multigroup test data from the acquisition of multiple test points and obtaining test data
Environmental parameter description information, and data block and environmental parameter description information are formed into data block packet；
Into figure unit, for the environmental parameter description information according to data block packet, by multigroup test number of multiple test points
The time is formed as data block diagram for sequence according to this, and with data block figure into data block sequence diagram；
Scene extraction unit, for data block sequence diagram, extraction test object is in the data scene of setting period.
Specifically may be used in each unit of the data management module of Distributed Measurement System in the present embodiment to the processing of data
The data managing method corresponding step explanation of reference distribution formula measuring system, I will not elaborate.
The data managing method and its module of Distributed Measurement System in embodiment 3,4, compared to the method for embodiment 1,2
And its module has measuring apparatus with a greater variety, including multiple test systems and multiple test points, test point is identical namely to be counted
Identical according to source, each test system includes multiple measuring apparatus, when forming data block by multiple data block diagrams of corresponding test point
Sequence figure, data block sequence diagram represent in the test point that collected data are distributed and the configuration of measuring apparatus and shape at any time
The change situation of state.
It is easily understood that test point can increase or delete, by increasing and decreasing test point, entire distributed survey can be checked
The test data distribution situation of different test points in test system, so as to obtain the data scene of comprehensive time of test object.
Using the data managing method and its module of the Distributed Measurement System of the present invention, it can be used for multiple fields, more
A variety of applications of the data displaying of kind of application demand, Performance Evaluation, accident analysis etc., such as wirelessly join in communication network field
Tower crane fault test is analyzed in the collected data displaying of different locating base station and building trade in network positioning system, below
It will be illustrated by taking tower crane fault test analysis as an example.
Tower crane failure has an a lot of reasons, such as crustal movement, wind, instantaneous lifting are transfinited, load-carrying movement stall and inside
The working condition of hoist engine etc..Therefore, it is necessary to extract different physical quantities simultaneously, the data in several test points are analyzed.
Such as earthquake detecting instrument detects the faint movable information of the current earth's crust, wind speed tester test wind speed size, is installed at lifting
Sensor test torque, rotating speed, acceleration and operating current and power on motor, the position of pulley and the speed of movement
Degree and acceleration, the torque on tower arm electric rotating machine, rotating speed, acceleration test instrument and lifting rope, tower arm, tower body, column foot seat
Different location install additional stress mornitoring instrument.The instrument type of these test points is various, and the detection record time is random, data format
It is various, several multifarious data files are obtained after test.If measuring apparatus midway carries out more due to various reasons
It changes or measuring apparatus has carried out parameter adjustment in the process, then it is one difficult to check management and analyze these data files
Difficult work.Especially in case of failing, to find out data on generation failure moment different acquisition point and be associated analysis, phase
When in looking for a needle in a haystack.
The data managing method and its module of Distributed Measurement System using the present invention, first by the data collected into
Row structuring is handled, and forms data block packet --- and the description of data block is wherein contained incessantly, also contains the survey sampled
The description of equipment is measured, so as to which data have reversibility.Secondly, data be can be obtained by using the method data block packet of the present invention
Which test point block sequence diagram in data block sequence diagram can intuitively be checked in and what moment is counted comprehensively
According to acquisition, the acquisition time of data block, no matter data sampling is to be how many with which kind of equipment and sample rate, data type is knot
Structure type, semi-structured type or unstructured type, if reconfigured, as long as choosing a moment, you can
Data scene is obtained, further analyzes the data correlation of each test point in data scene under the test environment, and can be gathered
The analyses such as class, so as to find for example tower crane failure the problems such as the reason of.
The data managing method and its module of the Distributed Measurement System of embodiment 1- embodiments 4 provide a kind of to test
The method that important information is described except data, and be finally all integrated into data block packet, so as to which the data block packet has certainly
The characteristics of illustrating so that data block packet has as the basis converted, compared, analyzed between data, so as to data into
Row is effectively integrated and is utilized, and can intuitively be carried out checking and be obtained data scene.
Specifically, the data managing method of the Distributed Measurement System and its module have the following advantages that：
To test and measure obtained data and carry out structuring processing, can with self-explanatory, the not only type comprising test data,
The environment description of test data acquisition is further included, so as to which each data block is complete；
Data block packet can be represented in figure in a manner of visual, so as to build data time sequence figure, can facilitate tissue not
With the test data of period, and check the environmental parameter description information that test data obtains；
The test data obtained in different measuring systems can be built into scene, it may be convenient to check under different scenes
The state and data of different system, are compared, so as to easily be associated analysis.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of data managing method of Distributed Measurement System, it is characterised in that：Including step：
Include the data block of test data from test point acquisition and obtain the environmental parameter description information of test data, and by number
Data block packet is formed according to block and environmental parameter description information；
According to the environmental parameter description information of the data block packet, at least the test data of test point is formed as by sequence of the time
Data block diagram, and with the data block figure into data block sequence diagram；
According to the data block sequence diagram, extraction test object is in the data scene of setting period.
2. the data managing method of Distributed Measurement System according to claim 1, which is characterized in that data block and measuring environment
Parameter description information is disposed as structural data, and the environmental parameter description information includes test point description, measuring apparatus is retouched
State, the description of measuring apparatus configuration parameter, in measuring apparatus state description at least one of；The data block further includes data class
The buffer descriptor of type, form.
3. the data managing method of Distributed Measurement System according to claim 1, which is characterized in that retouched also according to environmental parameter
The measuring apparatus configuration parameter description in information and beginning sampling time, sample rate and the data length of test data are stated,
Multiple data block diagrams of same test point are formed into data block diagram stream according to the time is obtained, the data block diagram is to survey
The acquisition time of examination data is arranged on time shaft for sequence in identical parallel direction；
And/or by the data block diagram of multiple and different test points according to test point formed data chunk, the data block diagram with
Test point is separately positioned on for sequence in the parallel direction different from time shaft vertical range.
4. the data managing method of Distributed Measurement System according to claim 3, which is characterized in that joint test object is extremely
The test data at moment is set in the data block diagram stream of a few test point and/or at least one data block diagram group,
Build data scene.
5. according to the data managing method of the Distributed Measurement System of any one of claim 1-4, which is characterized in that the test
The expression formula of data is：
TP(i,m)(t)：The data of the mm data block of i-th of test point；
n(i,m)：The data amount check of the mm data block of i-th of test point；
x(i,m)[kk]：The kth k number evidence of the mm data block of i-th of test point；
t(i,m)start：The mm data BOB(beginning of block) acquisition time of i-th of test point；
fs(i,m)：The mm data block sample rate of i-th of test point；
δ(t)：Sampling function.
6. a kind of data management module of Distributed Measurement System, it is characterised in that：Including acquiring unit, into figure unit and scene
Extraction unit, wherein：
The acquiring unit, for including the data block of test data from test point acquisition and obtaining the environment ginseng of test data
Number description information, and data block and environmental parameter description information are formed into data block packet；
It is described into figure unit, for the environmental parameter description information according to the data block packet, at least by the test number of test point
The time is formed as data block diagram for sequence according to this, and with the data block figure into data block sequence diagram；
The scene extraction unit, for according to the data block sequence diagram, extraction test object to be in the data fields of setting period
Scape.
7. the data management module of Distributed Measurement System according to claim 6, which is characterized in that in the acquiring unit
In, data block and measuring environment parameter description information are disposed as structural data, and the environmental parameter description information includes surveying
At least one of in pilot description, measuring apparatus description, the description of measuring apparatus configuration parameter, measuring apparatus state description；It is described
Data block further include data type, form buffer descriptor.
8. the data management module of Distributed Measurement System according to claim 6, which is characterized in that described into figure unit
In, also according in environmental parameter description information measuring apparatus configuration parameter description and test data the beginning sampling time,
Sample rate and data length,
Multiple data block diagrams of same test point are formed into data block diagram stream according to the time is obtained, the data block diagram is to survey
The acquisition time of examination data is arranged on time shaft for sequence in identical parallel direction；
And/or by the data block diagram of multiple and different test points according to test point formed data chunk, the data block diagram with
Test point is separately positioned on for sequence in the parallel direction different from time shaft vertical range.
9. the data management module of Distributed Measurement System according to claim 8, which is characterized in that extracted in the scene single
In member, the data block diagram stream and/or at least one data block diagram group of the joint test object at least one test point
The test data at middle setting moment, builds data scene.
10. according to the data management module of the Distributed Measurement System of any one of claim 6-9, which is characterized in that the survey
Examination data expression formula be：
TP(i,m)(t)：The data of the mm data block of i-th of test point；
n(i,m)：The data amount check of the mm data block of i-th of test point；
x(i,m)[kk]：The kth k number evidence of the mm data block of i-th of test point；
t(i,m)start：The mm data BOB(beginning of block) acquisition time of i-th of test point；
fs(i,m)：The mm data block sample rate of i-th of test point；
δ(tt)：Sampling function.
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| CN109460019A (en) * | 2018-10-31 | 2019-03-12 | 仲恺农业工程学院 | Method for constructing time sequence spatial data field in facility vegetable growth environment |
| CN111678709A (en) * | 2020-06-16 | 2020-09-18 | 山东大学 | Electric vehicle distributed networked test system and method based on cloud platform |
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