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2. 发明授权

US3710334A Receivers for phase comparison radio navigation systems 失效
标题翻译：相位比较无线电导航系统的接收机
公开(公告)号：US3710334A
公开(公告)日：1973-01-09
申请号：US3710334D
申请日：1970-11-09
申请人： DECCA LTD
发明人： PACE B
IPC分类号： G01S5/10 , G01S1/30
CPC分类号： G01S1/306
摘要： In a phase comparison radio navigation receiver in which fine readings of phase relationship between signals of different but harmonically related frequencies normally radiated from fixed transmitters are indicated on meters with pointers traversing a circular scale and in which mechanical integration of the pointer movements is used for lane indication, there is provided a digital indicator using a digital counter and clock pulse source for determining the phase relation between an oscillator output and fundamental frequency signals derived from short duration multiple frequency transmissions which are radiated from one station at a time for short periods, the oscillator being phase locked to a signal derived from the signals normally radiated from one of the stations.
摘要翻译：在相位比较无线电导航接收机中，其中通常用固定发射机辐射的不同但谐波相关频率的信号之间的相位关系的精细读数在具有遍历圆形刻度的指针的表上指示，并且其中指针移动的机械积分用于通道提供了一种使用数字计数器和时钟脉冲源的数字指示器，用于确定振荡器输出与源自短时间多频率传输的基频信号之间的相位关系，这些信号是从一个电台一次短时间辐射的，振荡器被锁相到从其中一个站正常辐射的信号得到的信号。

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