CN102692237A - Altimeter detector - Google Patents
Altimeter detector Download PDFInfo
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- CN102692237A CN102692237A CN2011100710492A CN201110071049A CN102692237A CN 102692237 A CN102692237 A CN 102692237A CN 2011100710492 A CN2011100710492 A CN 2011100710492A CN 201110071049 A CN201110071049 A CN 201110071049A CN 102692237 A CN102692237 A CN 102692237A
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- 238000012545 processing Methods 0.000 claims abstract description 37
- 238000004088 simulation Methods 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 12
- 230000003111 delayed effect Effects 0.000 claims description 8
- 230000005055 memory storage Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 16
- 238000012360 testing method Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 1
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 description 1
- 102100021133 Nuclear protein 1 Human genes 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/882—Radar or analogous systems specially adapted for specific applications for altimeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4052—Means for monitoring or calibrating by simulation of echoes
- G01S7/406—Means for monitoring or calibrating by simulation of echoes using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder
- G01S7/4065—Means for monitoring or calibrating by simulation of echoes using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder involving a delay line
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- Radar Systems Or Details Thereof (AREA)
Abstract
An altimeter detector belongs to the technical fields of detection measurement and test, and solves problems of single detection object, and inconsistent detection means and standards on different altimeters of an existing altimeter detector. The altimeter detector of the present invention uses a DSP digital signal processing circuit as a core device; the DSP digital signal processing circuit outputs attenuation control signal and delay control signal to a height simulation circuit, so as to control the height simulation circuit to generate a plurality of equivalent height radiofrequency signals corresponding to a plurality of heights to the altimeter; the DSP digital signal processing circuit acquires voltage current signal of the altimeter through an A / D converting circuit, and acquires digital signal of the altimeter and control signal output to the altimeter through an altimeter interface circuit. Application of the altimeter detector of the invention can realize detection on a plurality of altimeters, substantially increase altimeter test efficiency and bring convenience to test and maintenance of the altimeter.
Description
Technical field
The invention belongs to and detect metering and experimental technique field, the branch field is a weapon component performance parameter static test, is specifically related to a kind of radio altimeter performance automatic checkout equipment.
Background technology
Development along with the height indicator technology; The height indicator detection technique is also grown up gradually; Develop special-purpose height indicator detection system by now from rough detection methods such as initial manual detection, artificial observations; The height indicator detection technique develops rapidly along with the development of electronic technology and signal processing technology, to the height indicator of different systems, and the height indicator detector that constantly adopts new technology development to make new advances both at home and abroad.
Find the domestic research report that height indicator checkout equipment related content is arranged through retrieval; 89C52 SCM system as with expansion is the KGW height indicator detector of core; Have based on the C8051F005 single-chip microcomputer is the height indicator detector of core; Pulse-type altimeter test platform based on the ATLAS language is arranged; PB-21 type and WG-6 height indicator comprehensive detection system based on PC/104 are arranged, 265 height indicator dynamic test systems based on virtual instrument technique are arranged, A-037 and 265 height indicator Auto-Test Systems based on VXI and GPIB instrument are arranged.
The domestic radio altimeter checkout equipment of succeeding in developing mainly is to detect to be applied in the fixing radio altimeter of state of the art on aircraft and the guided missile at present; Because demand to different application; The state of the art of radio altimeter is also inequality, can not take into account the radio altimeter of test all kinds.
And two kinds of model height indicators of BG1.5B and FHWG-6 be aim at a kind of dispense that device uses newly grind height indicator; Respectively by different manufacturers production; Product design scheme and characteristics have marked difference; There is not common apparatus that these two kinds of height indicators are detected, if adopt producer's checkout equipment then need purchase two covers.For reducing cost, make two kinds of height indicators adopt the same detection means simultaneously, unified judgment criteria has more public credibility, must two kinds of general checkout equipments of height indicator of development.
Summary of the invention
For solve present level table checkout equipment detected object single, to the detection means and the inconsistent problem of standard of differing heights table, the present invention proposes a kind of height indicator detector that multiple height indicator is detected can realized.
Height indicator detector of the present invention comprises DSP digital signal processing circuit, A/D change-over circuit, voltage and current measurement circuit, height indicator interface circuit and altitude simulation circuit; The data acquisition port of said DSP digital signal processing circuit is connected with the digital signal output end of A/D change-over circuit; The input end of analog signal of said A/D change-over circuit connects the analog signal output of voltage and current measurement power supply; The height indicator control signal output ends of DSP digital signal processing circuit is connected with the height indicator signal input end of height indicator interface circuit; The altimeter signal collection terminal of said DSP digital signal processing circuit is connected with the altimeter signal output terminal of height indicator interface circuit; The altitude simulation circuit has and is used to launch the high-frequency emission port that high-frequency signal is given height indicator; The high-frequency signal receiving port that also has the high-frequency signal that is used to receive the height indicator emission; The attenuation control signal input end of said altitude simulation circuit connects the attenuation control signal output terminal of DSP digital signal processing circuit, and the delayed control signal output terminal of this DSP digital signal processing circuit connects the delayed control signal input end of this altitude simulation circuit.
Height indicator detector of the present invention is exactly the general automatic checkout equipment to multiple model development, has solved after this height indicator detector is succeeded in developing to dispense preceding height indicator performance test of device general assembly and evaluation problem.
Description of drawings
Fig. 1 is the electrical structure synoptic diagram of height indicator detector of the present invention.Fig. 2 is the electrical structure synoptic diagram of embodiment three described altitude simulation circuit 5.
Embodiment
Embodiment one, the described height indicator detector of this embodiment comprise DSP digital signal processing circuit 1, A/D change-over circuit 8, voltage and current measurement circuit 9, height indicator interface circuit 7 and altitude simulation circuit 5; The data acquisition port of said DSP digital signal processing circuit 1 is connected with the digital signal output end of A/D change-over circuit 8; The input end of analog signal of said A/D change-over circuit 8 connects the analog signal output of voltage and current measurement power supply; The height indicator control signal output ends of DSP digital signal processing circuit 1 is connected with the height indicator signal input end of height indicator interface circuit 7; The altimeter signal collection terminal of said DSP digital signal processing circuit 1 is connected with the altimeter signal output terminal of height indicator interface circuit 7; Altitude simulation circuit 5 has and is used to launch the high-frequency emission port that high-frequency signal is given height indicator; The high-frequency signal receiving port that also has the high-frequency signal that is used to receive the height indicator emission; The attenuation control signal input end of said altitude simulation circuit 5 connects the attenuation control signal output terminal of DSP digital signal processing circuit 1, and the delayed control signal output terminal of this DSP digital signal processing circuit 1 connects the delayed control signal input end of this altitude simulation circuit 5.
It is the digital signal processing circuit of core that DSP digital signal processing circuit 1 in this embodiment adopts with DSP28335; This chip has the static CMOS technology of high-performance; Dominant frequency reaches 150MHz, and free time, standby and shutdown mode are supported in interrupt response and processing fast.
Said altitude simulation circuit 5 is used to produce the pairing multiple equivalent height radiofrequency signal of multiple height.
When practical application, the high-frequency emission port of altitude simulation circuit 5 is connected with the high-frequency signal receiving port of height indicator 6 through the emission feeder line, and the high frequency receiving port of this altitude simulation circuit 5 is connected with the high-frequency signal emission port of height indicator 6 through receiving feeder line.
Height indicator interface circuit 7 is connected with the digital signal communication port of height indicator 6; Be mainly used in the counting controling signal, height pulse signal, locking signal and the state selection signal that receive the height indicator emission, also be used for penetrating inspection command signal and state simulation signal and give height indicator.
Embodiment two, this embodiment are on the basis of embodiment one described height indicator detector, have increased external memory storage 10, and this external memory storage 10 is connected with DSP digital signal processing circuit 1 through data address bus.
The external memory storage 10 that this embodiment increased is used for storage of measurement data.
The described external memory storage 10 of this embodiment can adopt the FLASH storer to realize, for example adopt the K9F1208U0M model, the FLASH storer of this model can once be stored up to 120,000 height indicator test datas.The partition table data storage technology of the FLASH storer in this embodiment is convenient to the data manipulation such as random challenge, location, transmission, deletion of engagement height table Performance Detection data.
Embodiment three, this embodiment are illustrating the altitude simulation circuit 5 in embodiment one or the two described height indicator detectors.Altitude simulation circuit 5 in this embodiment is used to produce three kinds of three kinds of highly pairing equivalent height radiofrequency signals; This altitude simulation circuit 5 is made up of 53,2 step attenuators 51 able to programme of 3 acoustic bulk wave microwave delay lines and 2 thin type three port switch 52; 2 step attenuators 51 able to programme are connected between a signal input part of high-frequency signal receiving port and thin type three port switch 52; Three signal output parts of these thin type three port switch 52 connect an end of 3 acoustic bulk wave microwave delay lines 53 respectively; The other end of these three 3 acoustic bulk wave microwave delay lines 53 connects three input ends of another thin type three port switch 52 respectively, and a signal output part of these thin type three port switch 52 connects the high-frequency emission port; The attenuation control signal input end of two step attenuators 51 able to programme is formed the attenuation control signal input end of altitude simulation circuit 5; The selection signal input part of 2 thin type three port switch 52 is formed the delayed control signal input end of altitude simulation circuit 5.
Two step attenuators 51 able to programme are under the control of DSP digital signal processing circuit 1, and the high-frequency signal that height indicator is launched carries out the decay of corresponding multiple, and then realization can be to the processing of multiple high-frequency signal.
In practical application, said two step attenuators 51 able to programme can be connected in series through the interconnected external member of attenuator.
Can adopt rf adapter to realize being connected between said acoustic bulk wave microwave delay line 53, step attenuator able to programme 51, thin type three port switch 52 and the external radio frequency stube cable, this rf adapter is a kind of radio frequency (RF) coaxial connector.
3 acoustic bulk wave microwave delay lines 53 in this embodiment are used to realize that the high-frequency signal to after the decay carries out three kinds of delays.For example: 3 acoustic bulk wave microwave delay lines 53 can select 1000ns delay, 4000ns delay, 10000ns to postpone respectively, in order to realize the delay of 150m, 600m, three kinds of equivalent height radiofrequency signals of 1500m.
Embodiment four, this embodiment are on the basis of embodiment one, two or three described height indicator detectors, have increased jtag interface circuit 2, and said jtag interface circuit 2 is connected with the jtag port of DSP digital signal processing circuit 1.
Embodiment five, this embodiment are on the basis of embodiment one, two, three or four described height indicator detectors; Increased serial communication circuit 3, the serial data port of this serial communication circuit 3 is connected with the communication port of DSP digital signal processing circuit 1.
This embodiment provides serial communication interface, is convenient to realize the teledata exchange.In practical application, can be connected with host computer, realize exchanges data.
Embodiment six, this embodiment are on the basis of embodiment one, two, three, four or five described height indicator detectors; Increased human-computer interface device 4, this human-computer interface device 4 is connected with the man-machine interface communication port of DSP digital signal processing circuit 1 through communication port.
In this embodiment, select the intelligent liquid crystal display terminal of JCR80HD-S RGB (TFT) as human-computer interface device 4, this intelligence liquid crystal display terminal is a kind of touch control human-computer interaction interface, and the good man computer interface platform can be provided.
Embodiment seven, this embodiment are on the basis of embodiment one, two, three, four, five or six described height indicator detectors; Increased power circuit, this power circuit is used for working power to the inner electricity consumption device of height indicator detector being provided.
Height indicator detector of the present invention can efficiently solve the preceding height indicator performance test problem of device general assembly that dispenses.Application result shows, utilizes this automatic detection device that the testing efficiency of height indicator is improved greatly, just can detect a cover height indicator, and bring convenience for the test job of height indicator in about 5 minutes.
When practical application, the described detector of the application is encapsulated in the test box, then said detector is united use through RS232 COM1 and the host computer that has detector software.Detector software uses TI CCS3.3 as developing instrument; C language and assembly language hybrid programming have been adopted; Adopt top-down method for designing; Implement modularization, standardization, structuring requirement and carry out software design, main functional module has screen displaying control module, radio frequency unit control module, height indicator detection module, height indicator calibration module, serial load-on module and data operation modules etc.Upper computer software utilizes Microsoft visual c++ 6.0 development environments to write, and can accomplish the management work of height indicator detection data, maintenance work and testing staff's maintenance of information work of height indicator detector.This software has the good man-machine interaction interface, and is simple to operate clear, and can data be saved as examining report automatically, conveniently checks and print.
Claims (10)
1. height indicator detector; It is characterized in that it comprises DSP digital signal processing circuit (1), A/D change-over circuit (8), voltage and current measurement circuit (9), height indicator interface circuit (7) and altitude simulation circuit (5); The data acquisition port of said DSP digital signal processing circuit (1) is connected with the digital signal output end of A/D change-over circuit (8); The input end of analog signal of said A/D change-over circuit (8) connects the analog signal output of voltage and current measurement power supply; The height indicator control signal output ends of DSP digital signal processing circuit (1) is connected with the height indicator signal input end of height indicator interface circuit (7); The altimeter signal collection terminal of said DSP digital signal processing circuit (1) is connected with the altimeter signal output terminal of height indicator interface circuit (7); Altitude simulation circuit (5) has and is used to launch the high-frequency emission port that high-frequency signal is given height indicator; The high-frequency signal receiving port that also has the high-frequency signal that is used to receive the height indicator emission; The attenuation control signal input end of said altitude simulation circuit (5) connects the attenuation control signal output terminal of DSP digital signal processing circuit (1), and the delayed control signal output terminal of this DSP digital signal processing circuit (1) connects the delayed control signal input end of this altitude simulation circuit (5).
2. height indicator detector according to claim 1 is characterized in that, it also comprises external memory storage (10), and this external memory storage (10) is connected with DSP digital signal processing circuit (1) through data address bus.
3. height indicator detector according to claim 1 is characterized in that, said external memory storage (10) adopts the FLASH storer of K9F1208U0M model to realize.
4. height indicator detector according to claim 1; It is characterized in that; Said altitude simulation circuit (5) comprises three acoustic bulk wave microwave delay lines (53), two step attenuators able to programme (51) and two thin type three port switch (52); Two step attenuators able to programme (51) are connected between a signal input part of high-frequency signal receiving port and thin type three port switch (52); Three signal output parts of these thin type three port switch (52) connect an end of three acoustic bulk wave microwave delay lines (53) respectively; The other end of these three acoustic bulk wave microwave delay lines (53) connects three input ends of another thin type three port switch (52) respectively, and a signal output part of these thin type three port switch (52) connects the high-frequency emission port; The attenuation control signal input end of two step attenuators able to programme (51) is formed the attenuation control signal input end of altitude simulation circuit (5); The selection signal input part of two thin type three port switch (52) is formed the delayed control signal input end of altitude simulation circuit (5).
5. height indicator detector according to claim 4 is characterized in that, said altitude simulation circuit (5) also comprises the interconnected external member of attenuator, and two step attenuators able to programme (51) are connected in series through the interconnected external member of attenuator.
6. height indicator detector according to claim 4; It is characterized in that; Said altitude simulation circuit (5) also comprises a plurality of rf adapters; All adopt rf adapter to be connected between every acoustic bulk wave microwave delay line (53) and thin type three port switch (52), adopt rf adapter to be connected between step attenuator able to programme (51) and thin type three port switch (52).
7. height indicator detector according to claim 1 is characterized in that, it also comprises jtag interface circuit (2), and said jtag interface circuit (2) is connected with the jtag port of DSP digital signal processing circuit (1).
8. height indicator detector according to claim 1 is characterized in that, it also comprises serial communication circuit (3), and the serial data port of this serial communication circuit (3) is connected with the communication port of DSP digital signal processing circuit (1).
9. height indicator detector according to claim 1 is characterized in that, it also comprises human-computer interface device (4), and this human-computer interface device (4) is connected with the man-machine interface communication port of DSP digital signal processing circuit (1) through communication port.
10. height indicator detector according to claim 1 is characterized in that it also comprises power circuit, and this power circuit is used for working power to the inner electricity consumption device of height indicator detector being provided.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100710492A CN102692237A (en) | 2011-03-23 | 2011-03-23 | Altimeter detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100710492A CN102692237A (en) | 2011-03-23 | 2011-03-23 | Altimeter detector |
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| CN102692237A true CN102692237A (en) | 2012-09-26 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033195A (en) * | 2012-12-07 | 2013-04-10 | 中航通飞华南飞机工业有限公司 | Test device applicable to height indicator simulation test |
| CN105093192A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Portable helicopter altimeter microwave delaying device |
| CN105093193A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Helicopter height measurement system airborne detecting method |
| CN105466454A (en) * | 2015-12-04 | 2016-04-06 | 中国电子科技集团公司第五十研究所 | Self-detection system and self-detection method for radio altimeter |
| CN105698823A (en) * | 2016-03-25 | 2016-06-22 | 哈尔滨飞机工业集团有限责任公司 | Portable microwave delay line switching device |
| CN105737857A (en) * | 2016-04-06 | 2016-07-06 | 哈尔滨飞机工业集团有限责任公司 | Airborne radio altimeter tester |
| CN108490405A (en) * | 2018-03-27 | 2018-09-04 | 中国电子科技集团公司第二十六研究所 | The calibration method of simulated altitude in a kind of target simulator |
| CN110954058A (en) * | 2019-12-20 | 2020-04-03 | 西安航空电子科技有限公司 | Radio altimeter test system |
| CN114459301A (en) * | 2022-03-14 | 2022-05-10 | 天津鹍骐科技有限公司 | Nationwide production portable ammunition test equipment |
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| CN103033195A (en) * | 2012-12-07 | 2013-04-10 | 中航通飞华南飞机工业有限公司 | Test device applicable to height indicator simulation test |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033195A (en) * | 2012-12-07 | 2013-04-10 | 中航通飞华南飞机工业有限公司 | Test device applicable to height indicator simulation test |
| CN103033195B (en) * | 2012-12-07 | 2015-04-29 | 中航通飞华南飞机工业有限公司 | Test device applicable to height indicator simulation test |
| CN105093192A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Portable helicopter altimeter microwave delaying device |
| CN105093193A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Helicopter height measurement system airborne detecting method |
| CN105466454A (en) * | 2015-12-04 | 2016-04-06 | 中国电子科技集团公司第五十研究所 | Self-detection system and self-detection method for radio altimeter |
| CN105466454B (en) * | 2015-12-04 | 2019-08-02 | 中国电子科技集团公司第五十研究所 | Radio altimeter self-checking system and self checking method |
| CN105698823A (en) * | 2016-03-25 | 2016-06-22 | 哈尔滨飞机工业集团有限责任公司 | Portable microwave delay line switching device |
| CN105737857A (en) * | 2016-04-06 | 2016-07-06 | 哈尔滨飞机工业集团有限责任公司 | Airborne radio altimeter tester |
| CN108490405A (en) * | 2018-03-27 | 2018-09-04 | 中国电子科技集团公司第二十六研究所 | The calibration method of simulated altitude in a kind of target simulator |
| CN108490405B (en) * | 2018-03-27 | 2020-10-30 | 中国电子科技集团公司第二十六研究所 | Calibration method for simulation height in target simulator |
| CN110954058A (en) * | 2019-12-20 | 2020-04-03 | 西安航空电子科技有限公司 | Radio altimeter test system |
| CN114459301A (en) * | 2022-03-14 | 2022-05-10 | 天津鹍骐科技有限公司 | Nationwide production portable ammunition test equipment |
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Application publication date: 20120926 |