机载站对辐射源中心频率的测频计算法

Measurement Frequency Computation of Centre Frequency for Radiant Applied to Single Airborne Observer

在机载探测站匀速等距移动的条件下,通过综合利用速度矢量方程、多普勒频移及变化率关系,给出了一个利用测频技术解算辐射信号中心频率的公式。所提出的方法将有助于执行远距侦察任务但装备简陋的载机提高无源定位系统的测量精确度,并为仅基于测频技术的无源定位奠定了基础。

Under the conditions of uniform and equidistance motion,a formula solved centre frequency of radiant is presented by compositely use of velocity vector equation and Doppler shift equation and Doppler changing rate equation based on measurement frequency technique.The proposed method can be useful to improve locating precision of reconnaissance airplane that equipment is simple and crude and flight distant is far.And it will establish a basis for the passive location only based on measurement frequency technique.