CN109975883A - The automatic recording device of ground magnetic day change instrument data - Google Patents
The automatic recording device of ground magnetic day change instrument data Download PDFInfo
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- CN109975883A CN109975883A CN201811586565.7A CN201811586565A CN109975883A CN 109975883 A CN109975883 A CN 109975883A CN 201811586565 A CN201811586565 A CN 201811586565A CN 109975883 A CN109975883 A CN 109975883A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/36—Recording data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/38—Processing data, e.g. for analysis, for interpretation, for correction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/40—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for measuring magnetic field characteristics of the earth
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Abstract
The present invention provides a kind of ground magnetic days to become instrument data automatic recording device.The device include: include: data acquisition equipment, for the data at interval of one point of acquisition in one second, processor is used to judge whether the difference between the value of the data of the every two consecutive points of the data acquisition equipment acquisition to be greater than given threshold, if it is, the data of the two consecutive points are deleted；Otherwise, retain the data of the two consecutive points.The average value for calculating the data per continuous 10 points of reservation, is transferred to data storage device for the average value as 1 data point；The data point that the data and acquisition time and processor that data storage device is used to acquire data acquisition equipment using cassette tape obtain stores.The device of the invention, which may be implemented to excite automatically, becomes instrument, automatic collection ground magnetic day change instrument data ground magnetic day, while recording data acquisition time, data automatic input magnetic tape station.
Description
Technical field
The present invention relates to computer software and electronic technology field more particularly to a kind of change of ground magnetic day instrument data are automatic
Collection device.
Background technique
At present, it is common to use ground magnetic day become instrument be DC pulse polarized type kerosene proton-precession magnetometer, its pole
Change process is intensified with manual key, and measurement result is shown on instrument display panel by electronic digital pipe, then is passed through
On artificial notes to paper delivery medium by hand, it is desirable that intensify within every minor tick 1-5 minute, to record data primary, often secondary record eight-digit number
Word (XXXXX.XXX) is accurate to third position after decimal point, while also to record data acquisition time primary (XX:XX:XX) six
Number is accurate to the second.The data of record also want manual keyboard to be input to data processing calculating in subsequent data handling procedure
In machine.It requires that personnel's attention wants high concentration in ground magnetic day change data acquisition, labor intensity is larger, and one
As workstation requirement be equipped with two people or more.
The shortcomings that method of above-mentioned artificial acquisition ground magnetic day parameter evidence in the prior art are as follows:
1, the above record personnel are accomplished manually and are easy fatigue, attention can decline, and be easy error.It is required that change in each day is stood
It at least will be there are two people.
2, manual record packing density, efficiency are all relatively low, so precision is also relatively low.If packing density increases, people
Work writing speed certainly will have little time, nor may accomplish 10 seconds records, one point.
3, in data processing, manual keyboard data inputting labor intensity is also larger, low efficiency, accuracy rate are low.
Summary of the invention
The embodiment provides a kind of ground magnetic days to become instrument data automatic recording device, to overcome the prior art
The problem of.
A kind of ground magnetic day change instrument data automatic recording device, comprising: data acquisition equipment, data storage device and place
Manage device；
The data acquisition equipment, for the data at interval of one point of acquisition in one second, by what is acquired on each point
Data and acquisition time are transferred to the processor and the data storage device；
The processor, the values of the data of the every two consecutive points for judging data acquisition equipment acquisition it
Between difference whether be greater than given threshold, if it is, the data of the two consecutive points are deleted；Otherwise, retain the two phases
The data of adjoint point.The average value for calculating the data per continuous 10 points of reservation, passes the average value as 1 data point
It is defeated by data storage device；
The data storage device, when data and acquisition for being acquired to data acquisition equipment using cassette tape
Between and the obtained data point of processor stored.
Further, the processor is PC-1500 processor, the normal memory field of the PC-1500 processor
The region 6K of 5800-6FFF and the region 8K of 8000-9FFF are extended, and MEO signal is led to 14 feet in PC-1500
Extension gating signal as normal area's memory expansion.
Further, the data acquisition equipment, for passing through 74HC244 driver one at interval of one second
Become the magnetic day of point the myriabits of instrument data, kilobit, hundred, a position, X0.1, X0.01 and X0.001 collect, general
The data and acquisition time of acquisition are transferred to processor.
Further, the processor includes:
Data imput output circuit, for by input interface receive the data acquisition equipment transmit it is each
Become myriabit, the kilobit, hundred, a position, X0.1, X0.01 and X0.001 of instrument data, and the number that will be received the magnetic day of point
According to deposit buffer area；The data in memory are transferred to external equipment by output interface.
Further, the processor further include:
Driving circuit, the power supply of the driving circuit are derived from PC-1500 itself, including 74HC244 driving chip and
74HC245 driving chip, the 74HC244 driving chip are one-way buffer driving chips, for carrying out data input, institute
74HC245 driving chip is stated for realizing the two-way asynchronous communication of data/address bus.
Further, the processor further include:
Decoding circuit, for including 74HC138 and 74HC139, which to pass through CS piece using the driving circuit
Choose become the magnetic day of each point in buffer area the myriabits of instrument data, kilobit, hundred, a position, X0.1, X0.01 and
X0.001, each chosen data are stored in respectively in the normal memory field of extension.
Further, the processor further include:
Arithmetic register, for magnetic day of each point is become the myriabits of instrument data, kilobit, hundred, a position, X0.1,
X0.01 and X0.001 are used as one group of data, and the first group of data stored in normal memory field are deposited into arithmetic register
The address X 7A00-7A007, then second group of data is deposited into arithmetic register Y address 7A10-7A17, arithmetic register X and fortune
It calculates register Y and carries out subtraction, whether the difference judged is greater than setting memory, if more than operation deposit is then left out
Data in device X and arithmetic register Y, otherwise, arithmetic register X and arithmetic register Y carry out add operation, by what is obtained
Arithmetic register X address 7A00-7A07 is deposited into value；
Third group data be deposited into arithmetic register Y address 7A10-7A17, arithmetic register X and arithmetic register Y into
Whether row subtraction, the difference judged are greater than setting memory, if more than then leaving out arithmetic register X and operation being posted
Data in storage Y, otherwise, arithmetic register X and arithmetic register Y carry out add operation, and obtain and value is deposited into fortune
Register X address 7A00-7A07 is calculated,
Repeat above-mentioned treatment process, until by 10 groups of data and value be deposited into arithmetic register X address 7A00-
7A07, then the content of 7A00-7A07 is put into memory, complete a data collection cycle.
As can be seen from the technical scheme provided by the above-mentioned embodiment of the present invention, the ground magnetic day of the embodiment of the present invention becomes
Instrument data automatic recording device, which may be implemented to excite automatically, becomes instrument, automatic collection ground magnetic day change instrument data ground magnetic day, each
Second can excite, to acquire data each primary, and every acquisition ten times take an average value, while recording data acquisition time,
Data automatic input magnetic tape station.Ground magnetic day parameter evidence and acquisition time are input to number by magnetic tape station by later data processing
According to processing computer.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, making required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right
For those of ordinary skill in the art, without any creative labor, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram for becoming instrument data automatic recording device the embodiment of the invention provides a kind of ground magnetic day；
Fig. 2 is a kind of structural schematic diagram of driving circuit provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of decoding circuit provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of data acquisition circuit provided in an embodiment of the present invention；
Fig. 5 is a kind of memory distribution map of PC-1500 computer provided in an embodiment of the present invention；
Fig. 6 is a kind of calculating process schematic diagram of arithmetic register provided in an embodiment of the present invention.
Specific embodiment
In order to facilitate understanding of embodiments of the present invention, it is done by taking several specific embodiments as an example into one below in conjunction with attached drawing
The explanation of step, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Become structural schematic diagram such as Fig. 1 of instrument data automatic recording device the embodiment of the invention provides a kind of ground magnetic day
It is shown, comprising: data acquisition equipment, data storage device and processor.Wherein, processor can be PC-1500, processor
It include: driving circuit, decoding circuit, memory, arithmetic register and data imput output circuit, data storage device can be with
For cassette tape.
The data acquisition equipment, for the data at interval of one point of acquisition in one second, by what is acquired on each point
Data and acquisition time are transferred to the processor and the data storage device；
The processor, the values of the data of the every two consecutive points for judging data acquisition equipment acquisition it
Between difference whether be greater than given threshold, if it is, determine the two consecutive points data be interference data, by the two
The data of consecutive points are deleted；Otherwise, retain the data of the two consecutive points.Calculate the data per continuous 10 points of reservation
Average value, be transferred to data storage device for the average value as 1 data point；Above-mentioned given threshold can be 0.5 γ.
The data storage device, when data and acquisition for being acquired to data acquisition equipment using cassette tape
Between and the obtained data point of processor stored.
The processor is PC-1500 processor, the 5800- 6FFF's of the normal memory field of the PC-1500 processor
The region 6K and the region 8K of 8000-9FFF are extended, and MEO signal is led to 14 feet in PC-1500 as in normal area
Deposit the extension gating signal of extension.
The data acquisition equipment, for passing through magnetic day change of the 74HC244 driver a point at interval of one second
The myriabits of instrument data, kilobit, hundred, a position, X0.1, X0.01 and X0.001 collect, by the data of acquisition
Processor is transferred to acquisition time.
Data imput output circuit in the processor is set for receiving the data acquisition by input interface
The magnetic day of the standby each point transmitted becomes myriabit, the kilobit, hundred, a position, X0.1, X0.01 and X0.001 of instrument data
Position, and the data received are stored in buffer area；The data in memory are transferred to external equipment by output interface.
Driving circuit in the processor, the power supply of the driving circuit are derived from PC-1500 itself, address wire be with
74HC244 driving chips, unidirectional drive, and it is driving chip as bi-directional drive that data line, which is using 74HC245,.
Usually say that computer there are three buses of address, data and control, since there are many load for needing to connect in bus, and
The main control chips such as CPU are all large scale integrated circuits, do not have power drive ability, in order to protect fragile CPU and master control core
Piece usually adds buffer/driving circuit between main control chip and external controlled plant, and the effect of driving circuit is exactly to mention
For the power drive between them, the information interaction between them is had reached.Second the reason is that: cpu bus be it is common,
Often time-sharing multiplex, that is in the different periods, the semiotic function occurred on pin is different, needs latch (buffering
Device) signal is stored and separates, bus driving circuits also function to plays latch.
Besides buffer: buffer register is also known as buffer, it is divided to input buffer and two kinds of output buffer.Input
The effect of buffer is that the data for sending peripheral hardware are temporarily stored, so that CPU takes it away processing；The effect of output buffer
It is the data for being sent to peripheral hardware for temporarily storing CPU.There is numerical control buffer, so that it may so that the CPU of high speed operation and work at a slow speed
The peripheral hardware of work plays coordination and buffer function, realizes the synchronization of data transmission.Since buffer connects on the data bus, thus it is necessary
Has the function of ternary output.
74HC244 is eight bit ternary output non-inverting buffers/driving chip, it is one-way buffer driving chip,
Play the role of data input in this case.
74HC245 is the controllable No. eight buffers/driving chip in direction, is mainly used for realizing the two-way different of data/address bus
Step communication.When needing to realize two-way asynchronous communication between main control chip and controlled plant, eight two-way tunnels must be selected naturally
Buffer.
Decoding circuit in the processor, described in including 74HC138 and 74HC139, which is utilized
Driving circuit chosen by CS piece the magnetic day change myriabit of instrument data of each point in buffer area, kilobit, hundred, a position,
X0.1, X0.01 and X0.001, each chosen data are stored in respectively in the normal memory field of extension.
Arithmetic register in the processor becomes myriabit, the kilobit, hundred of instrument data for the magnetic day each point
Position, a position, X0.1, X0.01 and X0.001 are used as one group of data, the first group of data stored in normal memory field
It is deposited into arithmetic register X address 7A00-7A007, then second group of data is deposited into arithmetic register Y address 7A10-
7A17, arithmetic register X and arithmetic register Y carry out subtraction, and whether the difference judged is greater than setting memory,
If more than, then leave out the data in arithmetic register X and arithmetic register Y, otherwise, arithmetic register X and arithmetic register Y
Add operation is carried out, obtain and value is deposited into arithmetic register X address 7A00-7A07；
Third group data be deposited into arithmetic register Y address 7A10-7A17, arithmetic register X and arithmetic register Y into
Whether row subtraction, the difference judged are greater than setting memory, if more than then leaving out arithmetic register X and operation being posted
Data in storage Y, otherwise, arithmetic register X and arithmetic register Y carry out add operation, and obtain and value is deposited into fortune
Calculate register X address 7A00-7A07.
Repeat above-mentioned treatment process, until by 10 groups of data and value be deposited into arithmetic register X address 7A00-
7A07, then the content of 7A00-7A07 is put into memory, complete a data collection cycle.
1, driving circuit
For a kind of structure chart of driving circuit as shown in Fig. 2, power supply is derived from PC-1500 itself, address wire is with 74HC244
Position driving chip, unidirectional drive, and it is driving chip as bi-directional drive that data line, which is using 74HC245,.Other signals can be direct
Connection uses.
The electronics powers such as bus driver, decoding circuit, reservoir in expanded circuit use Vcc power supply, translate
The enable end G of code device will use BFO signal, to ensure the memory data after PC-1500 power cutoff in expanded circuit not
It can lose.
2, acquisition, memory block decoding circuit
A kind of structural schematic diagram of decoding circuit is as shown in figure 3, the decoding circuit is by 74HC138 and 74HC139 group
At what we to be extended for PC-1500 is the area 8K in 5800-6FFF this region 6K and 8000-9FFF in normal area
Domain.Decoding circuit by 74HC138 and 74HC139 is wanting the region of storing data to pass throughPiece
Choosing is chosen.Data can be stored in this region.
It is above-mentionedPiece choosing indicates that this chip is selected when this signal is low level.
3, data acquisition circuit
To note here is that: design is data acquisition interface circuit, and data output is not by this interface electricity
Road, so data line drive circuit, using 74HC244 unidirectional drive circuit, the load capacity of bus is limited, generally
Bus will add driver in data transmission procedure.A kind of structural schematic diagram of data acquisition circuit is as shown in Figure 4.
The working principle of this circuit is to be become simultaneously by 74HC244 driver myriabit, the kilobit, hundred of instrument data magnetic day
Position, a position, X0.1, X0.01 and X0.001 collect, then by the resiliency of 74HC244 and driver and
74HC138 and 74HC139 composition decoding circuit gate respectively myriabit, kilobit, hundred, a position, X0.1, X0.01 and
X0.001 are respectively stored in each data in the memory of extension simultaneously, then are output data to by data tape machine
Base is taken back on data tape to handle data.Or digital signal can be changed by printer by analog signal and beaten
It is printed as curve graph to show, pretreatment inspection can be carried out to data.
1, it requires:
Equipment will be convenient for carrying.
2, receiving and recording equipment and interface circuit design are selected
PC-1500 computer is easy to carry, and every 10 can be completed by calling directly some of which subprogram with assembler language
A collection point is averaged the work of such big data quantity operation.
Fig. 5 is a kind of memory distribution map of PC-1500 computer provided in an embodiment of the present invention, and PC-1500 computer is total
There are 128K memory address, normal area 64K, wellblock 64K.The 64K in normal area is by MEO (please provide full name in English and Chinese) signal
Gating, the 64K of wellblock is by MEI (please provide full name in English and Chinese) signal gating.This 128K memory is the type of PC-1500A
Number, a part is used, the part not used can be extended.
Under normal conditions without using CE-158 (printer), therefore normal area can extend 14K- 5800-6FFF
(6K),8000-9FFFF(8K)；Wellblock can extend 56K-0000- AFFF (44K), C000-EFFF (12K).What is extended is normal
Area can be used to solidify machine code program and program in BASIC.And wellblock then can be used as the data of big data quantity acquisition system
Area.
3) PC-1500 printer interface signal introduction
There is the socket of 60 cores on PC-1500 printer, the signal of each core see the table below:
On the interface of PC-1500, the 13rd, 14 feet be empty foot, can be designed as any signal input, output line.Due to
Normal area is extended, and without this extension signal output line on interface, it is therefore desirable to microprocessor MPU core
MEO signal on piece LH5801 leads to the extension gating signal that 14 feet are extended as normal area.
32 groups of signal wires are needed when carrying out memory expansion, mainly include A0-A15, D0-D7, Vcc, GND, MEO,BFO, Vcc equisignal line.BFO and Vcc is the use when expanded circuit is using 1500 own power source of PC-.
3, software design scheme
1) time acquisition method
When function of time TIME being assigned to variable, then time data being extracted deposit from variable address
Between in exented memory, so that it may deadline collection process.
2) data acquisition and subroutine call
Fig. 6 is a kind of calculating process schematic diagram of arithmetic register provided in an embodiment of the present invention, concrete processing procedure packet
It includes: the first group of data acquired from interface being deposited into arithmetic register " X " address 7A00-7A007, then second is acquired
Data, be deposited into arithmetic register " Y " address 7A10- 7A17, then input add operation subprogram (entry address
EFBA), operation as a result, system can be deposited into automatically in then 7A00-7A07；Collected data are put into " Y " for the third time
Register is also stored in 7A00-7A07 after being added, and so repeatedly 10 times, sampling is completed.Times of collection is also put into " Y " deposit
In device, then in division arithmetic subprogram (entry address F084), obtained result is put into A700- A701, when, then 7A00-
The content of 7A07, which is sent, deposits, and completes a data collection cycle.
3) two neighboring acquisition number deviation exceeds the minimizing technology of 0.5 γ:
X carries out subtraction (decimal system) with Y and the content (for 50) of 7A02 is recalled compared with a certain memory, if greatly
In then leaving out, X+Y operation is carried out again if being less than.
4) variation of the numerical value in arithmetic register " X " address 7A00-7A07, the impact analysis to acquisition data:
According to the rule of register address, first is exponent bits, and second is mantissa part, and ordinary circumstance data exist
Exponent bits are likely to occur variation, and analytic process is omited.Analysis the result is that: exponent bits change, and numerical value is constant.
5) function declaration of partial memory area
51B0: the address of storage data and access time every time.
51B1: deposit data need four storage units, storage time to need three storage units every time, totally seven lists
Member.
51B2: the counter of several circulations is sent, resets after each use, is indicated with I.
51B3: the counter of times of collection, every ten times are a circle collection, and acquisition per second is primary, are indicated with V.
51B4: useful number counter is acquired, is indicated with W
51B6: storage consider wave number mantissa bit, i.e., twice in succession acquire data difference cannot be greater than this number, otherwise by
It is considered as invalidated acquisitions processing.
51B8-51BF: the memory block of " result ", i.e., effectively acquisition data and storage area.
51C0-51CF: " temporary " memory block, the data rest area effectively acquired every time.
51C8-51CF: before the data that " acquisition " memory block acquires every time are without checking whether effectively, the area Zan Fang.
7A00-7A07: arithmetic register X
7A10-7A17: arithmetic register Y
4, software design
1) overview flow chart
2) assembler, data acquisition process program and detailed description
One: preliminary program
Two: data acquisition process program
Three: time capture program
Five: subprogram part
Six: the FA final address of data storage is put into the program in fixed character variable Y $
Seven: tabulator (BASIC)
003:CSIZE 2
005:LPRINT " MAGNETIC DAILY CHANGE CURVE "
007:LPRINT TIME
010:GRAPH
020:M=5, P=10, N=1, S=1
030:FOR I=0 TO 40
040:A=M-I, R=P-I
050:IF A=0 THEN 90
060:IF R=0 THEN 130
070:LIN ((5*I, 5)-(5*I, 0), 0,0
080:NEXT I
090:N=N+1
100:M=(5* (2*N-1))
110:LINE (5*I, 7)-(5*I, 0), 0,0
120:NEXT I
130:S=S+1
140:P=(5*2*S)
150:LINE (5*I, 10)-(5*I, 0), 0,0
160:NEXT I
170:LINE (215,0)-(0,0), 0,0
180:Z=5, X=10, B=1, U=1
190:FOR L=0 TO 100
200:K=Z-L, H=X-L
210:IF K=0 THEN 250
220:IF H=0 THEN 290
230:LINE (0, -5*L)-(5, -5*L), 0,0
240:NEXT L
250:B=B+1
260:Z=(5* (2*B-1))
270:LINE (0, -5*L)-(7, -5*L), 0,0
280:NEXT L
290:U=U+1
300:X=(5*2*U)
310:LINE (0, -5*L)-(10, -5*L), 0,0
320:NEXT L
330:LINE (0, -510)-(0,0), 0,0
340:TEXT
350:END
Eight: (BASIC) program in data acquisition process
Nine: the printing of last each parameter value
Ten: track coordinate is sent into the program in BASIC of PC-1500 with array form
020:N=0, S=0, I=0
030:DIM Z (100), X (100), Y (100), S (100), T (100), U (100), D (100), L (10), M (10)
032:INPUT " LINE=? "；L, " TPI=? "；M
033:L (I)=L, M (I)=M
037:I=I+1, G=0, S=0
038:PRINT G；N
040:INPUT " Z "；Z (N), " X "；X (N), " Y "；Y(N)
045:N=N+1, G=G+1
047:PRINT G；N
050:INPUT " Z "；Z (N), " X "；X (N), " Y "；Y(N)
060:S (N)=√ ((X (N)-X (N-1)) ^2+ (Y (N)-Y (N-1)) ^2)/1000
070:T (N)=0.735* (Z (N)-Z (N-1))/3600
080:U (N)=S (N)/T (N)
090:S=S+S (N)
110:IF G < M-1 THEN 45
(120:T=0.735*Z N)/3600
130:U=S/T
135:CSIZE 1
140:LPRINT " LINE "；L；"PIT"；M
145:LPRINT " NO JXH X Y NOS "
150:N=N-M+1,0=1
160:D (N)=U-U (N+1)
170:LPRINT 0；TAB(3)；Z(N)；TAB(7)；X(N)；TAB(4)；Y(N)；TAB
(22)；D(N)；N
175:N+=N+1.0=0+1
0 < M+1THEN of 180:IF 160
190:STOP 200:INPUT " K ": K
210:ON KGOTO 220,32,308
220:N=0.S=0
225:N=N+1
230:S (N)=√ ((X (N)-X (N-1)) ^2+ (Y (N)-Y (N-1)) ^2)/1000
240:T (N)=0.735* (Z (N)-Z (N-1))/3600
250:U (N)=S (N)/T (N)
260:S=S+S (N)
270:IF N (M-1) THEN 225
280:GOTO 120
290:INPUT " LINE NUMBR "；I
300:PRINT#I, Z (*), X (*), Y (*)
310:END
Those of ordinary skill in the art will appreciate that: attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Process is not necessarily implemented necessary to the present invention.
Those of ordinary skill in the art will appreciate that: the module in equipment in embodiment can be described according to embodiment
It is distributed in the equipment of embodiment, corresponding change can also be carried out and be located in one or more equipment different from the present embodiment.
The module of above-described embodiment can be merged into a module, can also be further split into multiple submodule.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can
It is completed with instructing relevant hardware by computer program, the program can be stored in a computer-readable storage
In medium, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can
For magnetic disk, CD, read-only memory (Read- Only Memory, ROM) or random access memory (Random
Access Memory, RAM) etc..
In conclusion the embodiment of the present invention by using ground magnetic day become instrument data automatic recording system can achieve as
Under the utility model has the advantages that
Automatic excitation ground magnetic day becomes instrument, automatic collection ground magnetic day becomes instrument data, can excite every second, acquire number
According to each primary, and every acquisition ten times take an average value, while recording data acquisition time, data automatic input tape
Machine.
Ground magnetic day parameter evidence and acquisition time are input to data processing by magnetic tape station and calculated by later data processing
Machine.
Earth station's personnel amount is reduced, labor intensity is reduced and improves accuracy of data acquisition.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, the variation that can readily occur in or replaces
It changes, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection of claim
Subject to range.
Claims (7)
1. a kind of ground magnetic day becomes instrument data automatic recording device characterized by comprising data acquisition equipment, data storage
Equipment and processor；
The data acquisition equipment, for the data at interval of one point of acquisition in one second, the data that will be acquired on each point
The processor and the data storage device are transferred to acquisition time；
The processor, the difference between the value of the data of the every two consecutive points for judging data acquisition equipment acquisition
Whether value is greater than given threshold, if it is, the data of the two consecutive points are deleted；Otherwise, retain the two consecutive points
Data.The average value for calculating the data per continuous 10 points of reservation, is transferred to data for the average value as 1 data point
Store equipment；
The data storage device, data and acquisition time for being acquired using cassette tape to data acquisition equipment, with
And the data point that processor obtains is stored.
2. the apparatus according to claim 1, which is characterized in that the processor is PC-1500 processor, the PC-
The region 6K of the 5800-6FFF of the normal memory field of 1500 processors and the region 8K of 8000-9FFF are extended, MEO
Signal leads to extension gating signal of 14 feet in PC-1500 as normal area's memory expansion.
3. the apparatus of claim 2, it is characterised in that:
The data acquisition equipment, for passing through magnetic day change instrument number of the 74HC244 driver a point at interval of one second
According to myriabit, kilobit, hundred, a position, X0.1, X0.01 and X0.001 collect, by the data and acquisition of acquisition
Time tranfer is to processor.
4. device according to claim 3, which is characterized in that the processor includes:
Data imput output circuit, for receiving the magnetic for each point that the data acquisition equipment transmits by input interface
Myriabit, the kilobit, hundred, a position, X0.1, X0.01 and X0.001 of day change instrument data, and by the data received deposit
Buffer area；The data in memory are transferred to external equipment by output interface.
5. device according to claim 4, which is characterized in that the processor further include:
Driving circuit, the power supply of the driving circuit are derived from PC-1500 itself, including 74HC244 driving chip and 74HC245 driving
Chip, the 74HC244 driving chip are one-way buffer driving chips, for carrying out data input, the 74HC245 driving
Chip for realizing data/address bus two-way asynchronous communication.
6. device according to claim 5, which is characterized in that the processor further include:
Decoding circuit, for including 74HC138 and 74HC139, which to pass through the choosing choosing of CS piece using the driving circuit
The magnetic day of each point in middle buffer area becomes myriabit, the kilobit, hundred, a position, X0.1, X0.01 and X0.001 of instrument data
Position, each chosen data are stored in respectively in the normal memory field of extension.
7. device according to claim 6, which is characterized in that the processor further include:
Arithmetic register becomes myriabit, the kilobit, hundred, a position, X0.1, X0.01 of instrument data for the magnetic day each point
It is used as one group of data with X0.001, the first group of data stored in normal memory field are deposited into the address arithmetic register X
7A00-7A007, then second group of data is deposited into arithmetic register Y address 7A10-7A17, arithmetic register X and operation are deposited
Device Y carries out subtraction, and whether the difference judged is greater than setting memory, if more than arithmetic register X and fortune is then left out
The data in register Y are calculated, otherwise, arithmetic register X and arithmetic register Y carry out add operation, and obtain and value is stored in
To arithmetic register X address 7A00-7A07；
Third group data are deposited into arithmetic register Y address 7A10-7A17, arithmetic register X and arithmetic register Y and carry out subtraction
Whether operation, the difference judged are greater than setting memory, if more than then leaving out in arithmetic register X and arithmetic register Y
Data, otherwise, arithmetic register X and arithmetic register Y carry out add operation, and obtain and value is deposited into arithmetic register
The address X 7A00-7A07,
Repeat above-mentioned treatment process, until by 10 groups of data and value be deposited into arithmetic register X address 7A00-7A07,
The content of 7A00-7A07 is put into memory again, completes a data collection cycle.
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