CN105572647A - Radar coordinate precision evaluation test real-time error indication method - Google Patents
Radar coordinate precision evaluation test real-time error indication method Download PDFInfo
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- CN105572647A CN105572647A CN201510886039.2A CN201510886039A CN105572647A CN 105572647 A CN105572647 A CN 105572647A CN 201510886039 A CN201510886039 A CN 201510886039A CN 105572647 A CN105572647 A CN 105572647A
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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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a radar coordinate precision evaluation test real-time error indication method and belongs to the field of a radar evaluation method. The method is characterized by collecting standard measuring equipment data; establishing a target motion equation by utilizing the standard measuring equipment data; substituting sampling time of target parameters measured by a detected radar into the target motion equation; and calculating measuring errors and displaying the measuring errors through a display device. The method allows test personnel to grasp measuring error information in the test process in real time, so that the test course can be adjusted or terminated in time according to test conditions, and unnecessary waster due to blind test can be prevented.
Description
Technical field
The present invention relates to a kind of measuring error data indication method in real time, specifically a kind of radar accuracy design test Real-time Error indicating means, belongs to radar authentication method field.
Background technology
Radar measurement accuracy is the most important index of radar performance, and therefore radar measurement accuracy qualification is research of radar, the most important content of qualification test, and the arrangement of its time, workload will account for the 2/3 even more of all contents of the test.The test method of radar measurement accuracy qualification is generally measure a moving target with tested radar and canonical measure equipment simultaneously, calculates, draws measuring error, then carry out the precision analysis of tested radar by under measurement result at one time coordinate system system.The deficiency of this method is that the measuring error situation of tested radar can not be grasped in real time for testing crew, particularly there are abnormal conditions at tested radar, systematic error more greatly can not by Timeliness coverage, sometimes data from overflow may be there is, the test figure drawn becomes invalid data, wasting manpower and material resources.
Summary of the invention
The object of the present invention is to provide a kind of radar accuracy design test Real-time Error indicating means, the method can indicate measuring error in real time, and testing crew can be grasped test situation, Adjustment Tests state in real time or change test process.
For achieving the above object, a kind of radar accuracy design test of the present invention Real-time Error indicating means, comprises the following steps:
(1) the canonical measure device data being no less than 3 data cycles is gathered;
(2) canonical measure device data is utilized to set up moving equation;
(3) target component of tested radargrammetry is gathered;
(4) sampling instant of tested for step (3) radar target parameter is brought into the moving equation that step (2) is set up, calculate target true value data;
(5) measuring error is calculated by the target true value data that target component and the step (4) of the tested radargrammetry of (3) step calculate;
(6) display device is sent to show the measuring error that step (5) calculates;
(7) canonical measure device data is upgraded;
(8) process of step (2) to step (7) is repeated.
Adopt a kind of radar accuracy design test of the present invention Real-time Error indicating means, testing crew can grasp measuring error situation in process of the test in real time, and according to the timely Adjustment Tests equipment of test situation or termination test process, avoid blind trial to cause unnecessary waste.
Embodiment
A kind of radar accuracy design test Real-time Error indicating means, comprises the following steps:
(1) the canonical measure device data being no less than 3 data cycles is gathered;
(2) canonical measure device data is utilized to set up moving equation;
(3) target component of tested radargrammetry is gathered;
(4) sampling instant of tested for step (3) radar target parameter is brought into the moving equation that step (2) is set up, calculate target true value data;
(5) measuring error is calculated by the target true value data that target component and the step (4) of the tested radargrammetry of (3) step calculate;
(6) display device is sent to show the measuring error that step (5) calculates;
(7) canonical measure device data is upgraded;
(8) process of step (2) to step (7) is repeated.
Adopt a kind of radar accuracy design test of the present invention Real-time Error indicating means, testing crew can grasp measuring error situation in process of the test in real time, and according to the timely Adjustment Tests equipment of test situation or termination test process, avoid blind trial to cause unnecessary waste.
Preferably, set up moving equation and should gather the canonical measure device data being at least not less than 3 data cycles, the data in ordinary movement target general 20 to 30 data cycles are best.
Ordinary movement target be generally straight line at the uniform velocity or uniformly accelerated motion, particularly in the time range in tens data cycles, target travel rule is all the more so, so the select target equation of motion is second order acceleration movement equation or three rank acceleration movement equations can meet test demand.
Step (6) error display mode can directly display error data or graph of errors, and graph of errors has image feature intuitively, is convenient to testing crew and observes, analyzes.
Claims (5)
1. a radar fix accuracy evaluation test Real-time Error indicating means, is characterized in that, comprise the following steps:
(1) the canonical measure device data being no less than 3 data cycles is gathered;
(2) canonical measure device data is utilized to set up moving equation;
(3) target component of tested radargrammetry is gathered;
(4) sampling instant of tested for step (3) radar target parameter is brought into the moving equation that step (2) is set up, calculate target true value data;
(5) measuring error is calculated by the target true value data that target component and the step (4) of the tested radargrammetry of (3) step calculate;
(6) display device is sent to show the measuring error that step (5) calculates;
(7) canonical measure device data is upgraded;
(8) process of step (2) to step (7) is repeated.
2. radar fix accuracy evaluation according to claim 1 test Real-time Error indicating means, is characterized in that, described in be used for setting up moving equation canonical measure device data be 20 to 30 data cycles.
3. radar fix accuracy evaluation test Real-time Error indicating means according to claim 1, it is characterized in that, described moving equation is second order acceleration movement equation or three rank acceleration movement equations.
4. radar fix accuracy evaluation test Real-time Error indicating means according to claim 1, it is characterized in that, step (6) display mode is graph of errors.
5. radar fix accuracy evaluation according to claim 1 test Real-time Error indicating means, is characterized in that, described in be used for setting up moving equation canonical measure device data be 20 data cycles.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886039.2A CN105572647A (en) | 2015-12-04 | 2015-12-04 | Radar coordinate precision evaluation test real-time error indication method |
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| CN201510886039.2A CN105572647A (en) | 2015-12-04 | 2015-12-04 | Radar coordinate precision evaluation test real-time error indication method |
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| CN105572647A true CN105572647A (en) | 2016-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019247A (en) * | 2016-05-19 | 2016-10-12 | 北京环境特性研究所 | Method for correcting circular motion orientation error of carrying platform of object spectrum RCS measuring system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158747A (en) * | 2015-07-14 | 2015-12-16 | 江苏爱福特科技开发有限公司 | Radar coordinate precision appraisal test real-time error indicating method |
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- 2015-12-04 CN CN201510886039.2A patent/CN105572647A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158747A (en) * | 2015-07-14 | 2015-12-16 | 江苏爱福特科技开发有限公司 | Radar coordinate precision appraisal test real-time error indicating method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019247A (en) * | 2016-05-19 | 2016-10-12 | 北京环境特性研究所 | Method for correcting circular motion orientation error of carrying platform of object spectrum RCS measuring system |
| CN106019247B (en) * | 2016-05-19 | 2018-04-17 | 北京环境特性研究所 | Ground-object spectrum rcs measurement system carrying platform circular motion azimuthal error modification method |
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Application publication date: 20160511 |