CN102654584A - Method for processing real time data of lunar satellite microwave detector - Google Patents
Method for processing real time data of lunar satellite microwave detector Download PDFInfo
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Abstract
The invention provides a method for processing real time data of a lunar satellite microwave detector. The method comprises the following steps of: receiving an original bit-stream data transmitted by a satellite in real time; performing frame data processing on the original bit-stream data; extracting microwave detector data from the original bit-stream data; unpacking the data to obtain data blocks; carrying out physical quantity conversion and processing on the data blocks to obtain a format applicable to display, and displaying the data in a manner easy to be recognized by human eyes; analyzing the displayed data, and judging whether the data is normal or not; and when the data is judged to be abnormal, processing the data by using corresponding measures according to the types of the data. The processing method can process and analyze the scientific data and engineering data which are detected by the lunar satellite microwave detector in real time, so that engineering technical staffs can easily monitor the state of the detector and process abnormal condition.
Description
Technical field
The present invention relates to a kind of satellite equipment processing method of data, particularly a kind of disposal route that is used for moonik microwave sounding appearance (MRM) real time data.
Background technology
The lunar exploration engineering is the environment that is used to survey the moon, the systematization engineering of resource.In whole lunar exploration engineering system, mainly comprise moonik, land station, departments such as floor control master station.Wherein, be equipped with various science load on the moonik, be used to survey various environment, the resource data of moonik place track and moonscape.Land station establishes the Data Receiving subsystem, is used for receiving, handle various detection datas from satellite.Floor control master station establishes operational management subsystem (OMS system); Whether the state that is used for monitoring in real time through the detection data after handling satellite and science loading device thereof is normal, and sends the duty of operational order with adjustment, control satellite and science load thereof in real time.
The science load of on moon resource detection satellite, installing is the detector with scientific exploration ability that carries on the satellite.The operational management subsystem that is provided with through floor control master station shows it is one of main contents of moonik science load operation management to the real time monitoring of this detector data; Its objective is through real time monitoring and show judgement detector duty detector data; Interpretation detector data quality is found the detector operation irregularity in real time and is handled.The real time monitoring of detector data shows it mainly is to handle the former bag of scientific exploration instrument downlink data, resolves science data and project data, to science data with project data is kept watch on and interpretation.
The science load that is installed on the moon resource detection satellite mainly comprises space environment load, and it is used to analyze the space environment characteristic of lunar orbit, carries out the demand analysis that space environment is surveyed, and surveys to accomplish the lunar orbit space environment.Characteristics such as microwave sounding appearance (radiometer) belongs to a kind of in the space environment load, is a kind of low level of launching with recorded matter self high sensitive receiver of microwave noise radiation at random that receives, and it has highly sensitive, and self power is little.
As a rule, the real time data content that the microwave sounding appearance is obtained is various, and data volume is big, thereby is difficult to comprehensive, intuitive and accurate these data of real-time demonstration.The data that directly obtain can not intuitively reflect technical indicator separately, make the technician be difficult to the implication of accurate Identification Data.Each association to display all need be provided with the reasonable reference span, and unusual data are provided with automatic warning function, so that the supervision instrument of land station and technician discover unusual condition in real time, in time takes counter-measure.Therefore, show and keep watch on these real time datas itself and just have bigger technical difficulty.
On the other hand; Land station need show data after receiving the data of microwave sounding appearance in real time; So that show each association that the microwave sounding appearance is obtained comprehensively, accurately, in real time in land station; Whether the value of keeping watch on each association in real time is in normal range, thereby whether each parts of reflection satellite and load thereof are in normal duty and operation conditions.Like this, the ground scientific research personnel could grasp the real-time working state of detection instrument at any time, and in time takes counter-measure adjustment detection mode.
But; Still do not satisfy the technology to processing, demonstration and the supervision of moonik microwave sounding appearance real time data of above-mentioned requirements in the prior art, cause accurately to reflect the duty, operation conditions of each building block of satellite and load thereof and the data snooping situation on moon top layer.
Summary of the invention
The purpose of this invention is to provide a kind of disposal route that is used for moonik microwave sounding appearance real time data; This method can be the form of the real time data processing of microwave sounding appearance for ease of showing; Show through multiple mode intuitively, and whether each association of real time monitoring is unusual, whether the duty of detection instrument and result of detection in normal range and according to the running status of keeping watch on result's adjustment and control load.
A kind of method that moonik microwave sounding appearance real time data is handled that the present invention proposes is characterized in that this method may further comprise the steps:
Step 6 is carried out the physical quantity conversion to the data block that step 5 obtains;
Step 7 shows through the data after changing step 6 in client;
Step 9 according to the analysis result of said step 8, when being judged as data exception, according to the difference of data type, adopts corresponding counter-measure to handle.
Through the above-mentioned data processing method that the present invention proposes, whether the real time data that can check moonik microwave sounding appearance to obtain in real time normal, and and then judge whether the work of microwave sounding appearance normal so that in time take counter-measure.
Description of drawings
Fig. 1 is the processing flow chart of microwave sounding appearance real time data of the present invention.
The displaying that Fig. 2 is exemplary the display format of microwave sounding appearance science data.
The displaying that Fig. 3 is exemplary the display format of microwave sounding appearance project data.
Embodiment
For making the object of the invention, technical scheme and advantage more cheer and bright, below in conjunction with embodiment and with reference to accompanying drawing, to further explain of the present invention.
At first introduce the composition and the principle of work of moonik microwave sounding appearance.
Moonik microwave sounding appearance is made up of antenna element, microwave receiver unit; Wherein said antenna element comprise that frequency splits to moon observation antenna and cold empty calibration antenna; Building blocks such as high temperature reference source that said microwave receiver unit comprises observation/calibration SS, constitute with matched load and front-end amplifier combination, frequency mixer, medium and low frequency amplifier, the video amplifier, power module; Wherein, Front-end amplifier combination is formed the low-noise preamplifier combination with frequency mixer, said to the moon observation antenna and cold empty calibration antenna through the switching of " observation/calibration " switch, and link to each other with the microwave receiver of respective frequencies respectively.
During the work of microwave sounding appearance; The high temperature reference source adopts the matched load of real-time thermometric that high temperature calibration reference is provided; The bright temperature of background radiation that the low temperature reference source adopts cold empty calibration antenna to obtain cold sky is calibrated reference as low temperature; According to the calibration equation of high and low temperature calibration with reference to definite microwave sounding appearance; According to said calibration equation, just can accurately calibrate the bright temperature of lunar soil (brightness temperature) that moon observation antenna obtains the microwave sounding appearance, the brightness temperature here refers to the energy work rate of object unit area unit solid angle radiation under a certain frequency.Observation/calibration SS is also connected cold empty calibration antenna and inner matched load respectively with 11.6 seconds fixed cycle except that connecting the moon observation antenna.Under normal circumstances, when promptly the sun, the earth, galactic center did not get in the calibration antenna field range, the brightness temperature signal of cold empty calibration antenna input 2.7K (Kelvin) was calibrated reference as low temperature; And the equivalent luminance temperature signal about matched load input 300K is calibrated reference as high temperature.
After moonik got into lunar orbit, the microwave sounding appearance began operate as normal.The exploring antenna reception to the moon of antenna element reaches the microwave radiation signal on time top layer from moon top layer; Cold empty calibration antenna receives cold empty radiation signal; Matched load (high temperature reference source) sends electromagnetic radiation (cold empty data and high temperature reference source data are called the calibration data); Through " observation/calibration " switch to moon observation data and calibrate data and carry out optionally open-minded; And will to the moon observation signal and rate-aided signal be transferred to said microwave receiver unit by certain frequency; After the microwave receiver high-frequency current is handled, be converted into the magnitude of voltage to moon observation branch road, cold empty antenna branch and thermal source branch road, wherein, the brightness temperature of radiation signal and the conversion formula of magnitude of voltage are V
Out=aT
IN+ b, wherein a and b are for needing the coefficient of calibration, V
OutBe magnitude of voltage, T
INBe bright temperature size.Carry out mould/number (A/D) conversion then, binary observation data that obtains and calibration data are squeezed into the science data bag.
In addition; Also be designed with temperature measuring circuit in the microwave receiver; So that being monitored in real time, the working temperature that is prone to 28 key point positions of temperature influence in antenna element and the receiver (comprises reference voltage; Symbiosis becomes 32 data), after quantizing, the temperature data that measured inside thermometric pastes point also squeezes into the biography science data bag under, for the scaled correction of measurement data provides reference.
Usually, the real time data content that the microwave sounding appearance obtains comprises science data and project data, respectively in order to the operation health status of data snooping situation, duty and the instrument each several part of keeping watch on load.
Wherein, the science data of microwave sounding appearance are the science amounts with obvious physical significance, are collected by the microwave sounding appearance.Among the present invention, the science data that the microwave sounding appearance collects comprise the magnitude of voltage to moon observation branch road, cold empty antenna branch, the output of thermal source branch road, and the inner thermometric of microwave sounding appearance pastes the temperature value of point.
The project data of microwave sounding appearance is meant in moonik when rail is worked; Self working state parameter by the collection of microwave sounding appearance; What project data showed is that (said passage is meant different frequencies to each frequency channel of detection instrument; Each frequency all has a cover reception system; Comprise three branch roads, these three branch roads are meant that receiver in each passage receives the signal from three kinds of different input sources (cold empty calibration antenna, thermal source, to moon observation antenna)) calibration branch road and the hardware effort pattern of surveying branch road, running software situation etc., be used for reflecting the duty of detection instrument comprehensively.Said project data comprises two aspects: calibration engineering parameter and to moon engineering parameter, and the calibration engineering parameter comprises: timing code, mode of operation counting controlling value, AD (analog to digital converter) malfunction monitoring sign, the full up sign in data buffer, data are injected successfully sign, warning mark, reset count sign, power module state, each passage mode of operation, the cold empty bias voltage of each passage, each passage thermal source bias voltage, each passage raw data, packet sequence counting; To the moon engineering parameter comprise: timing code, mode of operation counting controlling value, AD malfunction monitoring sign, the full up sign in data buffer, data are injected successfully sign, warning mark, reset count sign, power module state, each passage mode of operation, each passage AGC, each passage bias voltage, each passage raw data, packet sequence counting.
Through interpretation to above-mentioned all types of data, just can understand loading device historical with current running status and detection event, and can come real-time control load and adjustment detection mode according to sentence read result.
Fig. 1 has shown the processing flow chart according to microwave sounding appearance real time data of the present invention.As shown in Figure 1, the invention provides a kind of method that the data of microwave sounding appearance are handled in real time, this method may further comprise the steps:
Said step 2 further may further comprise the steps:
Step 2.1, frame synchronization: search the frame synchronization head " 1ACFFC1D " in the original bit stream data by bit (bit), begin 512 bytes of intercepting from the frame synchronization head and form a plurality of initial data frame;
Step 2.2 goes to disturb: carry out exclusive-OR operation one by one with frame synchronization 508 later bytes in the scrambler of 508 bytes and the initial data frame, so that initial data frame is gone to disturb;
Step 2.3; RS decoding: the RS sign indicating number that spends last 64 bytes in the initial data frame (512 bytes) after disturbing carries out RS decoding to initial data frame; And the data after the record RS decoding; Generate the quality of data information (first byte is represented wrong bit number, and second byte represented error correction rate) of two bytes simultaneously;
Step 2.4, the data framing: will pass through after the RS decoding Frame (512 byte) with
It is the one-tenth frame data of 514 bytes that the quality of data information of said two bytes is formed size.
According to the pseudo channel information that becomes in the frame data structure; Be specified to the pseudo channel that comprises in the frame data; Said pseudo channel is a kind of data-transmission mode of ground and satellite agreement, and different data contents transmits in different pseudo channels, such as; Set the load source bag data that pseudo channel A1 is used for transmission delay among the present invention; Pseudo channel C is used to transmit real-time load source bag data (A1 and C are the virtual channel identification of agreement) in advance, for A1 and C pseudo channel, with 436 valid data bytes taking-ups of removing in the one-tenth frame data that receive behind frame synchronization head, virtual channel identification (10 byte) and the RS sign indicating number; Form pseudo channel data separately; And forming pseudo channel data framing data statistics information simultaneously, said statistical information comprises the number that becomes frame data in the pseudo channel data, and becomes discrete date frame information information such as (such as the number and the frame numbers of discrete date frame) in the frame data stream.
The data of microwave sounding appearance are included in A1 and the C pseudo channel; According to the useful load application identifier to separating along separate routes pseudo channel data behind the frame and decompose and extracting; Said useful load application identifier is used to indicate the load source of data; Indicate that promptly these data are to come from the microwave sounding appearance, or other load.The data source APMB package that to form binary format from the microwave sounding appearance data that A1 and C pseudo channel extract; And in the quality of data information of last interpolation one byte of each source APMB package (being the wrong bit number during data RS decoding in the APMB package of source), formation source bag data.The source of microwave sounding appearance is wrapped data based data identifier and is divided into science source bag data and engineering source bag data.
Wherein, the form of microwave sounding appearance science source bag data is:
The form of microwave sounding appearance engineering source bag data is:
Wherein, include 15 project data piece: MRM1 in each project data source bag of microwave sounding appearance, MRM2 ..., MRM15.
In the process that real time data receives, in order to improve the quality of reception of data, the original bit stream data that satellite passes down can be received by two or more land stations simultaneously, and the data content that each land station receives is identical.When the quantity of land station when being two or more, before source bag data are unpacked, can be optimized processing to the source bag data that said two or more land stations receive, specific as follows:
The optimization of source bag data is meant in the identical microwave sounding appearance source bag data of two or more packet sequence control codes, selects best one of the quality of data to carry out subsequent treatment.Optimization process is following:
To reception of Different Ground station and microwave sounding appearance source bag data, sort respectively according to the packet sequence control code in the above-mentioned packet format, and form the ordering report that data are wrapped in microwave sounding appearance source through obtaining after the above-mentioned steps 2-4 processing.Microwave sounding appearance source bag data after the ordering of Different Ground station are selected the superior to merge; Be about to be arranged in a microwave sounding appearance source packet sequence according to the packet sequence control code from the microwave sounding appearance source bag data at Different Ground station; Be preferably principle with the microwave sounding appearance source bag quality of data then; According to said quality of data information; The source bag that the quality of data in each packet sequence control code is best remains, and forms a new complete microwave sounding appearance source packet sequence according to the ordering of packet sequence control code.
Certainly, in practical application,, can be not the source bag data of land station be optimized when the quantity of land station when being two or more, difference according to the actual requirements yet.
The processing that unpacks of science source bag data is meant that data (or the bag data of the source after optimizing) are wrapped in the science source splices; Form the data division of MRM science data piece: (wherein 6 is observation data to the data in the science sources bag data that 7 packet sequence control codes is continuous; 1 is corresponding calibration data) be stitched together, as the data division of a MRM science data piece.Each source bag data identify through the grouping sign in the packet sequence control code " * * ": under the continuous situation of packet sequence control code; The sign " * * " that divides into groups be that wrap in first source that " 01 " is expressed as in the MRM science data piece in 7 conjoint data sources bags; " 00 " is expressed as the source bag that links to each other of the centre of removing first and last in the bag of 7 conjoint data sources, and " 10 " are expressed as 7 last sources in the bag of conjoint data sources and wrap.
Calculate the quality state sign indicating number of each science data piece then: the quality state sign indicating number refers in order to represent the ascII sign indicating number of this group science data quality, characterizes the bit error rate like source bag data, and whether information such as packet loss are arranged.
At last the data division of MRM science data piece and the quality state code combination of each science data piece are obtained a complete MRM science data piece.
The processing that unpacks of engineering source bag data is meant that data (or the bag data of the source after optimizing) are wrapped in the engineering source carries out the extraction of data block.Specifically may further comprise the steps:
Calculate the acquisition time sign indicating number of every group of project data: the timing code of carrying in the bag data of engineering source is the acquisition time sign indicating number of the 1st group of data in 15 groups of project data, and the acquisition time sign indicating number of respectively organizing data afterwards adds 1s in order successively.
The content of the acquisition time sign indicating number of every group of project data, every group of project data made up respectively successively obtain a plurality of project data pieces, that is to say that each project data piece comprises 6 byte time sign indicating numbers and 32 byte engineering parameters.
Like this, source bag data form corresponding science data piece and project data piece respectively through after unpacking processing.
Step 6 is carried out the physical quantity conversion to the data block that step 5 obtains.
As previously mentioned, the data of moonik microwave sounding appearance comprise science data and project data.To these two kinds of different data types, corresponding disposal route also has nothing in common with each other.Introduce the disposal route of two kinds of data types below respectively.
(1) because the data of storing in the science data piece is through the binary data after the A/D conversion; Therefore; Need carry out the physical quantity conversion to the magnitude of voltage in the science data piece, make it become decimal number with certain physical significance to moon observation branch road, cold empty antenna branch, the output of thermal source branch road.
When the physical quantity conversion of carrying out temperature, convert binary number into metric magnitude of voltage earlier, convert the physical temperature value into according to following formula then:
T＝aV
2+bV+c， (1)
Wherein, T is a physical temperature, and V is a magnitude of voltage, and a, b, c are known coefficient.
(2) project data among the present invention is meant the self working state parameter that the microwave sounding appearance is gathered when on moonik, working; Each working status parameter adopts usually and is easy to storage; But the data layout that is difficult for the human eye Direct Recognition stores like forms such as sexadecimal, scale-of-two.Therefore; Processing to project data mainly is to change through physical quantity; Is to be easy to the form that human eye identifies its physical significance with each engineering parameter in the project data by the format conversion that is difficult for human eye identification, can be easy to identify the physical meaning that these data embody thereby be convenient to the observation personnel.For example, convert sexadecimal into the decimal system or binary format, or be the conversion of physical quantity such as decimal format Binary Conversion.
Table 1 shown partial parameters in the project data of microwave sounding appearance raw data, handle the instance signal of back data and required disposal route.
Table 1
Step 7 shows respectively in client the data after the said physical quantity conversion, and the data after the said physical quantity conversion are shown to be easy to the human eye identification mode, and in this step, according to the difference of data type, corresponding display packing is also different.
(1) after the science data that through abovementioned steps the microwave sounding appearance passed are down in real time handled, need the science data after handling be shown, so that the observation personnel are easy to identify the physical meaning that these science data embody.Among the present invention, science data preferably adopt figure and two kinds of display formats of number list.
The graphic presentation of said science data comprises: be ordinate with the magnitude of voltage; Time series is a horizontal ordinate; According to the magnitude of voltage to moon observation branch road, cold empty antenna branch, the output of thermal source branch road in the science data after handling, the magnitude of voltage that uses different curves to identify different branch output is made corresponding coordinate figure; With a plurality of cold empty antenna branch magnitude of voltage of each frequency channel receiver of corresponding time point output (for the data that make collection more accurate; Can gather a plurality of values at some time points, such as 5), a plurality of thermal source branch voltage value (such as 5), a plurality of moon observation branch voltage value (such as 40) is averaged respectively; The average voltage level of three branch roads of corresponding time point is marked on the coordinate diagram with the dotted line of different colours respectively.
With the temperature value is ordinate, and time series is a horizontal ordinate, pastes the temperature value of point according to the inner thermometric of the microwave sounding appearance in the science data after handling and makes corresponding coordinate figure; 32 temperature values of corresponding time point are marked on the coordinate diagram with the dotted line of different colours respectively.
Fig. 2 A has shown the graphic presentation form of microwave sounding appearance science data.In Fig. 2 A the first half; With the calibration data in the bag of science data source and to the moon observation data be presented under the same coordinate system; The horizontal ordinate express time; Ordinate is represented magnitude of voltage, and wherein the curve representation of different colours is from the magnitude of voltage that the signal of different branch such as the moon observation antenna, cold empty antenna and thermal source is changed through physical quantity.In Fig. 2 A the latter half, 32 temperature values in the data source bag are presented under the same coordinate system, the horizontal ordinate express time, ordinate is represented temperature.Different colours is represented the different temperatures value.
Fig. 2 B has shown the data list form of microwave sounding appearance science data; List the science data that receive with the form of form; Among Fig. 2 B, the calibration data and to the moon observation data can both be separately show with the form of form, can switch in the upper left corner at interface shown in Fig. 2 B.(1) shows moon during observation data, at first, list the mode of operation of each frequency channel respectively, to moon AGC, to the moon bias voltage, power supply status and other parameters.Below the parameter demonstration, 32 temperature measurement data are listed respectively with decimal system numerical value.Below the Temperature numerical demonstration, the voltage to the output of moon observation branch road of each passage is listed respectively with decimal system numerical value.When (2) showing the calibration data, at first, list mode of operation, calibration branch road AGC, calibration branch road bias voltage, power supply status and other parameters of each frequency channel respectively.Below the parameter demonstration, 32 temperature measurement data are listed respectively with decimal system numerical value.Temperature numerical show below, the cold empty antenna branch data of each frequency channel and thermal source are propped up circuit-switched data list respectively with decimal system numerical value.
(2) among the present invention, microwave sounding appearance project data preferably adopts number list and two kinds of forms of figure to show.When number list showed, directly data value was wrapped in the engineering source after the display process.During with graphic presentation, with the data presentation in the bag of project data source under the same coordinate system.In addition, convenient for ease of ground surveillance,, number list can increase contents such as value bound and warning bound in showing, and when project data exceeded bound, system reported to the police automatically, and during warning, numerical value can be marked red.
The demonstration that Fig. 3 A is exemplary the curve map of project data after treatment.Horizontal ordinate is the packet sequence value among the figure, and ordinate is a numerical value, the variation tendency of partial parameters in the curve representation engineering parameter among the figure.
The demonstration that Fig. 3 B is exemplary the number list synoptic diagram of project data after treatment.
As stated, the disposal route and the display packing of science data and project data have been introduced respectively.After data are processed and displayed; Need analyze the data that show; Judging that these data are normal or unusual, so that the real-time working state of monitoring microwave sounding appearance, and then can take corresponding counter-measure to the abnormal conditions that real time data occurs.
In this step, according to the difference of data type, corresponding criterion is also different.
(1) for real-time science data; Its discrimination standard is: when said project data just often; Said each branch road output voltage values is in the normal range (0V～10V); And thermal source branch voltage＞,, judge that then said science data are normal if science data meet above-mentioned standard in real time to moon observation branch voltage＞cold empty branch voltage; Otherwise, promptly when said project data just often, said each branch road output voltage values exceeds normal range, and each branch voltage magnitude relationship is not a thermal source branch voltage＞to moon observation branch voltage＞cold empty branch voltage, judge that then said science data are unusual.
(2) for real-time project data, its discrimination standard is that each parameter value judges that then this project data are normal in normal span and be under the default duty of microwave sounding appearance in the said project data; When certain parameter in the said project data exceeds normal span or when inconsistent, judges this project abnormal parameters with the default duty of microwave sounding appearance.
Table 2 has shown the part engineering parameter of microwave sounding appearance and the instance of normal span thereof.
Table 2
Step 9 according to the analysis result of said step 8, when being judged as data exception, according to the difference of data type, adopts corresponding counter-measure to handle.
In this step, according to the difference of data type, corresponding counter-measure is also different.
(1), after analyzing the science data that detect when unusual, can reporting the pending data analysis of instrument development side, takes corresponding counter-measure again, such as closing the load power supply, restarting load etc. through total activation for science data.
(2) for project data, occur when unusual when analyzing the engineering parameter that detects, take corresponding counter-measure again after can reporting the pending data analysis of instrument development side through total activation.
Table 3 has shown the instance of the part engineering parameter of microwave sounding appearance and the counter-measure when unusual thereof.
Table 3
What should explain is that when real time data is unusual, specifically how taking counter-measure is not emphasis of the present invention, does not therefore specify.Goal of the invention of the present invention is how the real time data of microwave sounding appearance is carried out real-time processing, demonstration and analysis so that the surface work station can be in time, find, judge abnormal conditions accurately, and then can in time take corresponding counter-measure.
Therefore; The present invention is intended to protect a kind of disposal route to moonik microwave sounding appearance real time data; This method is carried out data processing and analysis respectively through science data and the project data to the real-time detection of moonik microwave sounding appearance; And show in real time, thereby be convenient in time find the unusual condition of detector and take counter-measure to be easy to human eye identification mode (like curve, form etc.).
The above-mentioned embodiment of the present invention that it should be understood that only is used for exemplary illustration or explains principle of the present invention, and is not construed as limiting the invention.Therefore, any modification of under situation without departing from the spirit and scope of the present invention, being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.In addition, accompanying claims of the present invention be intended to contain fall into accompanying claims scope and border, or the equivalents on this scope and border in whole variations and modification.
Claims (15)
1. method that moonik microwave sounding appearance real time data is handled is characterized in that this method may further comprise the steps:
Step 1, land station receives the original bit stream data that pass under the satellite in real time;
Step 2 is carried out to frame data processing to the original bit stream data that receive, and obtains a plurality of one-tenth frame data, and said framing data processing comprises frame synchronization, goes to disturb, RS decoding and data framing;
Step 3 according to the virtual channel identification of carrying in the said one-tenth frame data, is extracted into the data of specific virtual channel in the frame data, and the valid data byte of taking out wherein forms the pseudo channel data;
Step 4; According to the useful load application identifier of prior agreement the data of microwave sounding appearance are come out to form the data source APMB package of binary format from the pseudo channel extracting data, and in the quality of data information formation source bag data of last interpolation one byte of each source APMB package;
Step 5, the source bag data that step 4 is obtained unpack processing, obtain a plurality of data blocks;
Step 6 is carried out the physical quantity conversion to the data block that step 5 obtains;
Step 7 shows through the data after changing step 6 in client;
Step 8 is analyzed the data that show, and judges that these data are normally or unusual;
Step 9 according to the analysis result of said step 8, when being judged as data exception, according to the difference of data type, adopts corresponding counter-measure to handle.
2. method according to claim 1 is characterized in that, said science data comprise the magnitude of voltage to moon observation branch road, cold empty antenna branch, the output of thermal source branch road, and inner 32 thermometrics of microwave sounding appearance paste the temperature value of point.
3. disposal route according to claim 1, said project data comprises two aspects: calibration engineering parameter and to moon engineering parameter, wherein,
Said calibration engineering parameter comprises: timing code, mode of operation counting controlling value, AD malfunction monitoring sign, the full up sign in data buffer, data are injected successfully sign, warning mark, reset count sign, power module state, each passage mode of operation, the cold empty bias voltage of each passage, each passage thermal source bias voltage, each passage raw data and packet sequence counting;
Said to the moon engineering parameter comprise: timing code, mode of operation counting controlling value, AD malfunction monitoring sign, the full up sign in data buffer, data are injected successfully sign, warning mark, reset count sign, power module state, each passage mode of operation, each passage AGC, each passage bias voltage, each passage raw data and packet sequence counting.
4. method according to claim 1 is characterized in that, said step 2 further may further comprise the steps:
Step 2.1, frame synchronization: search the frame synchronization head in the said original bit stream data by bit, begin 512 bytes of intercepting from the frame synchronization head and form a plurality of initial data frame;
Step 2.2 goes to disturb: carry out xor operation one by one with frame synchronization 508 later bytes in the scrambler of 508 bytes and the said initial data frame, so that said initial data frame is gone to disturb;
Step 2.3, RS decoding: the RS sign indicating number that spends last 64 bytes in the initial data frame after disturbing carries out RS decoding to initial data frame, and the data after the record RS decoding, generates the quality of data information of two bytes simultaneously;
Step 2.4, the data framing: the quality of data information composition size that will pass through Frame and said two bytes after the RS decoding is the frame data that become of 514 bytes.
5. method according to claim 1 is characterized in that, the valid data byte in the said step 3 is into the data of removing in the frame data behind frame synchronization head, virtual channel identification and the RS sign indicating number.
6. method according to claim 1; It is characterized in that; Said step 3 further comprises the step that is formed into the frame data statistical information, and said statistical information comprises the number that becomes frame data in the pseudo channel data, and becomes discrete date frame information in the frame data stream.
7. method according to claim 1 is characterized in that, the said quality of data information in the said step 4 is the wrong bit number when data RS deciphers in the APMB package of source.
8. method according to claim 1; It is characterized in that; Said source is wrapped data based data identifier and is divided into science source bag data and engineering source bag data, and wherein said science source bag data comprise the synchronous code of 2 bytes, the bag sign of 2 bytes, the packet sequence control code of 2 bytes, the packet length sign indicating number of 2 bytes, the science data territory of 496 bytes and the quality state sign indicating number of 2 bytes successively; Said engineering source bag data comprise the synchronous code of 2 bytes, the bag sign of 2 bytes, the packet sequence control code of 2 bytes, the packet length sign indicating number of 2 bytes, the project data of 496 bytes and the quality state sign indicating number of 2 bytes successively, and the project data of said 496 bytes further is divided into 15 groups of project data.
9. method according to claim 1; It is characterized in that; If the quantity of said land station is two or more; In order to improve the processing quality of data,, source bag data further comprise in the said step 5 that the source bag data to two or more land stations are optimized processed steps before being unpacked.
10. method according to claim 9 is characterized in that, said optimization process is in the bag data of the identical source of two or more packet sequence control codes, selects best one of the quality of data to carry out subsequent treatment.
11. method according to claim 8 is characterized in that, saidly unpacks processing and further may further comprise the steps:
Step 5.1, the science data that 7 continuous science sources of packet sequence control code are wrapped in the data are stitched together, as the data division in the science data piece; Calculate the quality state sign indicating number of each science data piece; At last said data division and corresponding quality state code combination are got up to obtain a complete science data piece;
Step 5.2 is calculated the acquisition time sign indicating number of every group of project data; The content of the acquisition time sign indicating number of every group of project data, every group of project data made up respectively successively obtain a plurality of project data pieces.
12. method according to claim 11; It is characterized in that; In the said step 5.2, the acquisition time sign indicating number of the 1st group of project data is the timing code of carrying in the bag data of said engineering source, and the acquisition time sign indicating number of respectively organizing project data in the bag data of same afterwards engineering source adds 1 second in order successively.
13. method according to claim 1 is characterized in that, in the said step 6, carries out following physical quantity conversion for science data:
Earlier convert binary science data into decimal system numerical value, convert decimal system numerical value into the physical temperature value according to following formula then:
T＝aV
2+bV+c，
Wherein, T is a physical temperature, and V is a decimal system numerical value, and a, b, c are known coefficient;
Carry out following physical quantity conversion for project data: convert hexadecimal project data into the decimal system or binary format, convert binary project data into decimal format.
14. method according to claim 2 is characterized in that, in the said step 7, shows science data and project data with figure and two kinds of display formats of number list, wherein,
The graphic presentation of said science data comprises: be ordinate with the magnitude of voltage, time series is a horizontal ordinate, and the average voltage level of three branch roads of corresponding time point is marked on the coordinate diagram with the curve of different colours respectively; With the temperature value is ordinate, and time series is a horizontal ordinate, and 32 temperature values in the science data of corresponding time point are marked on the coordinate diagram with the dotted line of different colours respectively.
15. disposal route according to claim 1, wherein,
Analysis to said science data is:
When said project data just often, if said each branch road output voltage values is in the normal range, and thermal source branch voltage＞, judge that then said science data are normal to moon observation branch voltage＞cold empty branch voltage, otherwise then unusual;
Analysis to said project data is:
When each parameter value in the said project data in normal span and be under the default duty of microwave sounding appearance, judge that then this project data are normal; When certain parameter in the said project data exceeds normal span or when inconsistent, judges this project abnormal parameters with the default duty of microwave sounding appearance.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412285A (en) * | 2013-08-30 | 2013-11-27 | 中国科学院国家天文台 | Lunar surface inspection tour device moon detection radar data preprocessing method |
| CN103472436A (en) * | 2013-08-30 | 2013-12-25 | 中国科学院国家天文台 | Handling method of real-time data of lunar ranging radar adopting lunar patroller |
| CN103546242A (en) * | 2013-10-25 | 2014-01-29 | 中国科学院对地观测与数字地球科学中心 | Method for detecting error rate of original data of remote sensing satellite |
| CN104243921A (en) * | 2014-09-05 | 2014-12-24 | 中国科学院国家天文台 | Extreme ultraviolet camera data real-time processing and displaying method |
| CN104683698A (en) * | 2015-03-18 | 2015-06-03 | 中国科学院国家天文台 | Real-time processing method and device for geographic and geomorphic camera of lunar landing detector |
| CN104698471A (en) * | 2014-11-21 | 2015-06-10 | 中国科学院云南天文台 | Early warning platform for solar radio burst disturbance incident on navigation system |
| CN106275495A (en) * | 2016-07-27 | 2017-01-04 | 江西洪都航空工业集团有限责任公司 | A kind of aircraft stimulus amount analytic method |
| WO2018000976A1 (en) * | 2016-06-29 | 2018-01-04 | 深圳市无牙太赫兹科技有限公司 | Monitoring method and system for human body security tester, and control apparatus thereof |
| CN107679152A (en) * | 2017-09-26 | 2018-02-09 | 中国科学院电子学研究所 | Data processing method based on multi-layer information joint index |
| CN107727082A (en) * | 2017-11-09 | 2018-02-23 | 国家海洋局第二海洋研究所 | A kind of modular system of monitering buoy in real time |
| CN110095745A (en) * | 2019-04-28 | 2019-08-06 | 中国科学院国家天文台 | A kind of processing method of lunar orbiter low frequency radio frequency spectrograph real time data |
| CN114993484A (en) * | 2022-08-02 | 2022-09-02 | 国家卫星海洋应用中心 | Abnormal data detection method and device for satellite-borne microwave radiometer and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6211906B1 (en) * | 1995-09-07 | 2001-04-03 | Flight Landata, Inc. | Computerized component variable interference filter imaging spectrometer system method and apparatus |
| CN101950330A (en) * | 2010-09-29 | 2011-01-19 | 中国科学院国家天文台 | Real time data processing method of lunar satellite X-ray detector |
| CN102156293A (en) * | 2011-03-14 | 2011-08-17 | 中国科学院国家天文台 | Method for processing real-time data of solar wind low-energy ion detector for lunar satellite |
-
2012
- 2012-04-28 CN CN201210134943.4A patent/CN102654584B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6211906B1 (en) * | 1995-09-07 | 2001-04-03 | Flight Landata, Inc. | Computerized component variable interference filter imaging spectrometer system method and apparatus |
| CN101950330A (en) * | 2010-09-29 | 2011-01-19 | 中国科学院国家天文台 | Real time data processing method of lunar satellite X-ray detector |
| CN102156293A (en) * | 2011-03-14 | 2011-08-17 | 中国科学院国家天文台 | Method for processing real-time data of solar wind low-energy ion detector for lunar satellite |
Non-Patent Citations (2)
| Title |
|---|
| 朱兰 等: "《绕月探测工程卫星数据的存储与管理》", 《天文研究与技术（国家天文台台刊）》, vol. 5, no. 4, 31 December 2008 (2008-12-31) * |
| 李秉常 等: "《近地小卫星星座测控系统》", 《遥测遥控》, vol. 22, no. 6, 30 November 2001 (2001-11-30), pages 1 - 8 * |
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