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主要介绍一种脱靶量指示器差频信号的模拟装置,它主要用来模拟,弹目遭遇时,脱靶量探测器所产生的差频信号具有调频特征。该信号源采用微型计算机技术设计,由配置特定软件的微型计算机和专门设计的数控频率发生器组成。其输出为跳变的调频信号,频率值及其变化规律可用键盘选择,亦可通过在微型机存储器中予置数据的方法装定,频率变化范围和跳变速率也易于设定和改变。该信号源可单独使用,稍加扩充亦可成为分布式半实物仿真系统的一个组成设备。
This paper mainly introduces a simulation device of miss frequency signal of miss distance indicator, which is mainly used to simulate the beat frequency signal produced by the miss distance detector when the projectile encounters. The signal source is designed with microcomputer technology and consists of a microcomputer with specific software and a specially designed CNC frequency generator. Its output is the frequency hopping FM signal. The frequency value and its variation can be selected by the keyboard. It can also be set by presetting the data in the memory of the microcomputer. The range of frequency and the transition rate can also be set and changed easily. The signal source can be used alone, a little expansion can become a component of distributed hardware-in-the-loop simulation system.