一、前言空对空导弹上所用的检相器,通常是由晶体管分离元件和变压器组成。用这类检相器要使信号波形失真小,除要求元件对称和变压器的温度性能好外,还要求基准信号要始终大于误差信号。由于实际使用中这些要求难于得到保证,因而影响了导弹的导引精度。 I. INTRODUCTION The phase detector used on air-to-air missiles is usually composed of transistor-separate components and transformers. To use such phase detector to make the signal waveform distortion small, in addition to requiring symmetry and transformer components of the temperature performance, but also requires the reference signal should always be greater than the error signal. As these requirements are hard to be guaranteed in actual use, they affect the guidance accuracy of missiles.