Radar transmitter state evaluation method based on fuzzy comprehensive evaluation and comprehensive weighting

Abstract

The invention discloses a radar transmitter state evaluation method based on fuzzy comprehensive evaluation and comprehensive weighting, and the method comprises the following steps: defining a radar transmitter state evaluation index set of first-stage and second-stage state evaluation indexes, and defining a state evaluation set comprising five health levels; the relative deterioration degree is adopted to represent the deviation degree of the evaluation index data and the index data in the normal state, and relative deterioration degree calculation processing is carried out on the original data of each evaluation index; a K-order parabolic membership function is adopted as a membership function of fuzzy comprehensive evaluation, and a corresponding membership matrix is solved; judging the weight of the fuzzy comprehensive judgment by adopting a comprehensive weighting method; and integrating the determined evaluation set membership matrix and the health level membership matrix by using a fuzzy comprehensive evaluation method, integrating the health state and the weight vector of the first-level state evaluation index, and determining an overall state evaluation result of the radar transmitter. According to the invention, the problems of simple function, single technology and high false alarm rate of radar fault detection are solved.

Description

technical field [0001] The invention relates to the state evaluation field, in particular to a radar transmitter state evaluation method based on fuzzy comprehensive evaluation and comprehensive weighting. Background technique [0002] With the continuous development of radar technology, the structure of radar is becoming more and more complex, and the requirements for radar performance in various application fields are also gradually increasing. As an important part of the radar transmitter system, how to correctly evaluate its health status, reduce the safety and reliability of radar transmitter failures, shorten downtime, and improve work efficiency is one of the hot issues in radar health management. It is of great significance to assess the condition of the transmitter, one of the radar components. [0003] The traditional radar fault inspection has problems such as simple function, single technology, high false alarm rate (up to about 20%), and qualified retest (test ...

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Problems solved by technology

[0007] Purpose of the invention: In order to solve the problems of simple function, single technology, and high false alarm rate in the current traditional radar fault inspection, the present invention provides a radar transmitter state evaluation method based on fuzzy comprehensive evaluation and comprehensive weighting, and establishes a system reflecting system state. The state evaluation index set of factors, using the fuzzy comprehensive evaluation method to process the observation data of each index, and finally realize the overall evaluation of the system

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