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本文介绍一种适合机载脉冲多卜勒雷达中重复频率用的恒虚警率处理器。恒虚警算法采用“(?)”字交叉的距离-频率两堆单元平均和距离单元平均方式。文中给出了用于实时信号处理的恒虚警率处理器框图,它由中、大规模集成电路组成。为了保证处理器高速运行,采用单(?)时针、流水工作方式,结果获得了较高的速度,工作频率可超过7兆赫。处理器采用微程序控制,只要改变微程序码点,即可改变处理器执行的任务,这就大大提高了处理器的灵活生和继承性。
This paper presents a constant false alarm rate processor for repetitive frequencies in airborne pulsed Doppler radar. The constant false alarm algorithm uses the “(?)” Word to cross the distance - the frequency of two heap units averaging and distance unit averaging. The block diagram of CFAR processor for real-time signal processing is given in this paper. It consists of medium and large scale integrated circuits. In order to ensure high-speed processor operation, the use of single (?) Hour hand, water work, resulting in a higher speed, the operating frequency can be more than 7 MHz. The processor uses micro-program control, as long as the change of micro-program code point, you can change the processor to perform the task, which greatly improves the processor’s flexibility and inheritance.