CN105866753A - Device for detecting height measurement precision of radio altimeter - Google Patents
Device for detecting height measurement precision of radio altimeter Download PDFInfo
- Publication number
- CN105866753A CN105866753A CN201610177907.4A CN201610177907A CN105866753A CN 105866753 A CN105866753 A CN 105866753A CN 201610177907 A CN201610177907 A CN 201610177907A CN 105866753 A CN105866753 A CN 105866753A
- Authority
- CN
- China
- Prior art keywords
- radio altimeter
- transceiver
- attenuator
- height value
- test device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005259 measurement Methods 0.000 title abstract 2
- 238000012545 processing Methods 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 11
- 229910002056 binary alloy Inorganic materials 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
-
- 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention belongs to the field of airborne navigation, and relates to a device for detecting the height measurement precision of a radio altimeter. An attenuator (6) receives a height signal of a radio altimeter transceiver (1) and carries out the attenuation. A delay line (7) carries out the time delay processing of the height signal of the attenuator (6), and transmits the signal after time delay to the radio altimeter transceiver (1). A dedicated tester (2) is connected with the radio altimeter transceiver (1), a multifunctional digital voltage meter (3), and 429 bus equipment (4). The multifunctional digital voltage meter (3) collects a voltage value of the radio altimeter transceiver (1) through the dedicated tester (2), wherein the voltage value is corresponding to one height value. The 429 bus equipment (4) collects a binary height value of the radio altimeter transceiver (1) through the dedicated tester (2), wherein the binary height value corresponding to one height value.
Description
Technical field
The invention belongs to airborne navigation field, relate to a kind of radio altimeter altimetry precision detection device.
Background technology
The Special test device of my the supporting verification of company's product-free at present, it is impossible to meet GG1.5H type radio high
Degree table transceiver is carried out installing the requirement of front performance parameter test, because lacking the detection means of product standard, this product
Product are taked directly to install, it is impossible to ensure the quality of installation finished product, when the inspection that be energized on machine of this product occurs in that former
During barrier without effectively get rid of means judge be circuit or other cross-linking apparatus fault on product faults itself or machine,
Directly affect Aircraft Production progress.
Summary of the invention
The purpose of the present invention: propose a kind of radio altimeter altimetry precision detection device, this product can be completed and survey
High-precision detection, to judge the duty of test product, it is to avoid fault product are directly installed, for aircraft general assembly
The product quality guarantee that energising, payment of taking a flight test provide strong.
Technical scheme: a kind of radio altimeter altimetry precision detection device, including:
Attenuator (6), delay line (7), Special test device (2), multifunction digital voltage meter (3), 429
Bus apparatus (4)；
Attenuator (6) is connected with the transmitting terminal of radio altimeter transceiver (1), receives radio altimeter
The altitude signal of transceiver (1) also decays；
The input of delay line (7) is connected with the outfan of attenuator (6), the outfan of delay line (7)
Being connected with the receiving terminal of radio altimeter transceiver (1), the altitude signal decaying attenuator (6) is carried out
Time delay processing, returns to radio altimeter transceiver (1) by the altitude signal after time delay processing；
Special test device (2) respectively with radio altimeter transceiver (1), multifunction digital voltage meter (3),
429 bus apparatus (4) connect；
Multifunction digital voltage meter (3) gathers radio altimeter transceiver (1) by Special test device (2)
Magnitude of voltage, the corresponding corresponding height value of described magnitude of voltage；
429 bus apparatus (4) gather radio altimeter transceiver (1) by Special test device (2)
Binary system height value, the corresponding corresponding height value of described binary system height value.
Advantages of the present invention
Use Special test device and this detection method to solve radio altimeter transceiver and complete front verification of installing
Key issue, it is ensured that product is in completing automatic orientation system operating frequency range on all Frequency points before installation
Bearing accuracy test, reached improve work efficiency and ensure product installation quality purpose.
When product breaks down on machine, profit can be completed quickly and effectively detection in this way, for fault verification
Technical support and reference frame is provided with getting rid of.
Accompanying drawing illustrates:
Fig. 1 is radio altimeter test transceiver line graph.
Detailed description of the invention:
Below in conjunction with the accompanying drawings the present invention is described in further detail.
A kind of radio altimeter altimetry precision detection device, as it is shown in figure 1, include:
Attenuator 6, delay line 7, Special test device 2, multifunction digital voltage meter 3,429 bus apparatus 4；
Attenuator 6 is connected with the transmitting terminal of radio altimeter transceiver 1, receives radio altimeter transceiver
The altitude signal of 1 also decays；
The input of delay line 7 is connected with the outfan of attenuator 6, and the outfan of delay line 7 is high with radio
The receiving terminal of degree table transceiver 1 connects, and the altitude signal of attenuator 6 decay is carried out time delay processing, by time delay
Altitude signal after process returns to radio altimeter transceiver 1；
Special test device 2 is total with radio altimeter transceiver 1, multifunction digital voltage meter 3,429 respectively
Line equipment 4 connects；
Multifunction digital voltage meter 3 gathers the voltage of radio altimeter transceiver 1 by Special test device 2
Value, the corresponding corresponding height value of described magnitude of voltage；
429 bus apparatus 4 gather the binary system height of radio altimeter transceiver 1 by Special test device 2
Value, the corresponding corresponding height value of described binary system height value.
Work process:
Radio altimeter transceiver 1 is accessed the transfer plug of Special test device 2, connects D.C. regulated power supply
5, draw altitude signal from the transmitting terminal of radio altimeter transceiver 1 and return through attenuator 6 and delay line 7
To the receiving terminal of radio altimeter transceiver 1, then it is sent to 429 bus apparatus 4 by Special test device 2
With multifunction digital voltage meter 5, thus the binary system height value and multi-functional of display on 429 bus apparatus 4
The all corresponding corresponding height value of the magnitude of voltage of display on digital voltmeter 5, this height value is the most tested
Highly, delay line 7 self delay is fixing, and the simulated altitude of its correspondence is also fixing, by by 429
The simulated altitude that height value that bus apparatus 4 and digital voltmeter 5 are measured is corresponding with delay line 7 compares, permissible
The height-precision of detection radio altimeter transceiver 1, it should meet the height-precision of regulation in technological document and want
Ask.
Claims (1)
1. a radio altimeter altimetry precision detection device, it is characterised in that including:
Attenuator (6), delay line (7), Special test device (2), multifunction digital voltage meter (3), 429
Bus apparatus (4)；
Attenuator (6) is connected with the transmitting terminal of radio altimeter transceiver (1), receives radio altimeter
The altitude signal of transceiver (1) also decays；
The input of delay line (7) is connected with the outfan of attenuator (6), the outfan of delay line (7)
Being connected with the receiving terminal of radio altimeter transceiver (1), the altitude signal decaying attenuator (6) is carried out
Time delay processing, returns to radio altimeter transceiver (1) by the altitude signal after time delay processing；
Special test device (2) respectively with radio altimeter transceiver (1), multifunction digital voltage meter (3),
429 bus apparatus (4) connect；
Multifunction digital voltage meter (3) gathers radio altimeter transceiver (1) by Special test device (2)
Magnitude of voltage, the corresponding corresponding height value of described magnitude of voltage；
429 bus apparatus (4) gather radio altimeter transceiver (1) by Special test device (2)
Binary system height value, the corresponding corresponding height value of described binary system height value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177907.4A CN105866753A (en) | 2016-03-25 | 2016-03-25 | Device for detecting height measurement precision of radio altimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177907.4A CN105866753A (en) | 2016-03-25 | 2016-03-25 | Device for detecting height measurement precision of radio altimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105866753A true CN105866753A (en) | 2016-08-17 |
Family
ID=56625886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610177907.4A Pending CN105866753A (en) | 2016-03-25 | 2016-03-25 | Device for detecting height measurement precision of radio altimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105866753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954058A (en) * | 2019-12-20 | 2020-04-03 | 西安航空电子科技有限公司 | Radio altimeter test system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203203603U (en) * | 2013-04-19 | 2013-09-18 | 湖北三江航天险峰电子信息有限公司 | Testing device of radio altimeter |
| CN103868522A (en) * | 2012-12-11 | 2014-06-18 | 吕涛 | Device for detecting height measurement precision of radio altimeter |
| 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 |
-
2016
- 2016-03-25 CN CN201610177907.4A patent/CN105866753A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868522A (en) * | 2012-12-11 | 2014-06-18 | 吕涛 | Device for detecting height measurement precision of radio altimeter |
| CN203203603U (en) * | 2013-04-19 | 2013-09-18 | 湖北三江航天险峰电子信息有限公司 | Testing device of radio altimeter |
| 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 |
Non-Patent Citations (3)
| Title |
|---|
| 上海航空测控技术研究所: "《航空故障诊断与健康管理技术》", 31 December 2013, 航空工业出版社 * |
| 周懿 等: "基于体声波延迟线的无线电高度表试验方法", 《测控技术》 * |
| 贺军: "AHV8型无线电高度表试验器使用说明书", 《百度文库》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954058A (en) * | 2019-12-20 | 2020-04-03 | 西安航空电子科技有限公司 | Radio altimeter test system |
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Application publication date: 20160817 |