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本文介绍采用DMTI串联FFT实现反地物杂波干扰的信号处理系统的初步研制结果。该系统采用了30级台劳加权,旁瓣抑制能力达60dB,主瓣加宽系数小于1.1。本系统探测导弹目标的分辨力达0.6Hz;探测飞机目标的分辨力达0.1Hz。
This article describes the preliminary results of a signal processing system using DMTI tandem FFT to achieve anti-clutter interference. The system uses a 30-level bench-work-weighted, sidelobe suppression of up to 60dB, the main lobe widening coefficient of less than 1.1. The system detection missile target resolution of 0.6Hz; detection of aircraft target resolution of 0.1Hz.