Adaptive smoothing filtering method for target orientation

Abstract

The invention discloses an adaptive smoothing filtering method for a target orientation, and the method comprises the steps of enabling the current target orientation to be Xk, and intercepting a target through an electronic system; enabling the target orientation measured this time to be Xm, and obtaining the target orientation Xk + 1 after smoothing filtering through the following formula: Xk + 1 '= Xk + [delta] T * Vk; Ek = Xm-Xk + 1 '; Xk + 1 = Xk + 1 '+ k1 * Ek; wherein Xk + 1'is the target orientation predicted this time, delta T represents the data sampling period, Vk represents the change rate of the current target orientation, and the initial value is 0; Ek represents the difference value between the currently measured target orientation and the predicted target orientation; k1 represents a target azimuth change coefficient. According to the method, the fuzzy self-tuning smoothing filter is adopted for target azimuth smoothing filtering, and actual operation shows that interference can be effectively resisted, azimuth tracking rapidity is improved, and azimuth smoothing filtering overshoot is reduced.

Description

technical field [0001] The invention belongs to the field of target signal processing, in particular to a processing method for electronic system function target orientation Background technique [0002] Accurate indication of target orientation is one of the core functions of many electronic systems, and it is an essential function to ensure that electronic systems complete specific tasks. At present, the target azimuth is affected by the platform, antenna, radio frequency channel, complex signal, etc., which will inevitably cause jitter; as the platform and target maneuver, the azimuth often cannot be tracked. In order to realize accurate, rapid and stable indication of target azimuth, it is necessary to use effective smoothing filtering method. [0003] Some target azimuth indications of existing electronic systems do not use the azimuth filtering method; some are based on a simple average value method, which cannot accurately reflect the real azimuth of the target, and ...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems that the current electronic system target orientation cannot accurately reflect the real orientation of the target, and cannot form a high-reliability target situation, etc., the present invention proposes an adaptive smoothing filter method for the target orientation

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