Calibration satellite-based measurement and control equipment precision identification method

Abstract

The invention discloses a calibration satellite-based measurement and control equipment precision identification method, which is specifically implemented according to the following steps: 1, carryingout precision identification test planning, setting a developer risk and a developer risk, and determining a test circle number; 2, obtaining equipment measurement data by utilizing a GPS carried ona tracking micro calibration satellite and a tracking calibration responder, and calculating a corresponding slant distance random difference, an azimuth angle system difference and a pitch angle system difference by utilizing standard reference data comparison obtained after GPS message information sent by calibration satellite data transmission signals is calculated on the ground; 3, setting a random difference of an oblique distance, a system difference of an azimuth angle and a system difference of a pitch angle, and establishing a hypothesis testing model of the system difference and therandom difference; 4, calculating corresponding test statistics under the set developer risk and the developer risk; and 5, according to the test statistics obtained in the step 4, respectively judging the actually calculated slant distance random difference delta R, azimuth angle system difference and pitch angle system difference to obtain a precision identification result.

Description

technical field [0001] The invention belongs to the technical field of aerospace measurement and control equipment test identification, and relates to a measurement and control equipment accuracy identification method based on calibration satellites. Background technique [0002] The measurement accuracy of aerospace measurement and control equipment is an important technical index of equipment performance, and the test and appraisal of tracking accuracy is the basis for equipment finalization and improvement, which is of great significance to target tracking and determination of aircraft orbit. In recent years, microsatellites and global navigation satellite systems have been widely used in military and civilian fields. Micro-satellite platforms equipped with transponders, Global Positioning System (GPS) and Beidou Satellite Navigation System (BDS) receivers can easily obtain accurate position information, which can be used as a dynamic comparison benchmark for certified ae...

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Problems solved by technology

[0008] At present, the existing equipment accuracy evaluation method still stays in the error statistical method of static and original direct comparison, which does not consider the risk of the equipment user. This method only considers the tracking results of a single lap, and lacks sample statistics and overall distribution ( Reasonable explanation of the design index); without considering the randomness of a single test, there is inevitably a certain risk of misjudgment in statistical decision-making, including the risk of the developer and the risk of the user; the explanation of the single out-of-tolerance phenomenon is unreliable, and at the same time, there is a lack of test The scientific analysis of the number of times (sample size) can only be used as a reference method for aerospace equipment test identification

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