公开(公告)号：US06753690B2

公开(公告)日：2004-06-22

申请号：US10007470

申请日：2001-11-05

申请人： Eugene Nikolay Ivanov ,  Richard Alec Woode ,  Michael Edmund Tobar

发明人： Eugene Nikolay Ivanov ,  Richard Alec Woode ,  Michael Edmund Tobar

IPC分类号： G01R1302

CPC分类号： G01R27/28

摘要： An interferometric signal processing apparatus (10) producing an output signal from a first input signal (34) and a second input signal (34), the input signals (34) having substantially equal carrier frequencies, comprising a bridge (12) having a first arm (26) and a second arm (28), each arm having a first end (30) and a second end (32), the first and second input signals (34) being input to the first end (30) of the first and second arms (26, 28), respectively; a device-under-test (36) provided the first arm (26); a carrier suppressor (14) connected to the second ends (32) of the first and second arms (26, 28) to produce a carrier-suppressed signal at its output (A); an amplifier (16) arranged to amplify said carrier-suppressed signal; and a mixer (22, 24) responsive to the amplified carrier-suppressed signal and a carrier-dominated signal to produce the output signal; wherein the differential group delay between: the first end (30) of the first arm (26) and the output (A) of the carrier suppressor (14); and the first end (30) of the second arm (28) and the output (A) of the carrier suppressor (14) is less than or equal to 1000/fo seconds, where fo is the time-averaged mean value of the carrier frequencies of the input signals (34).

摘要翻译： 一种从第一输入信号（34）和第二输入信号（34）产生输出信号的干涉信号处理装置（10），所述输入信号（34）具有基本上相等的载波频率，包括具有第一 臂（26）和第二臂（28），每个臂具有第一端（30）和第二端（32），所述第一和第二输入信号（34）被输入到所述第一端 和第二臂（26,28）; 设置有第一臂（26）的被测设备（36）; 连接到第一和第二臂（26,28）的第二端（32）的载波抑制器（14），以在其输出端（A）产生载波抑制信号; 布置成放大所述载波抑制信号的放大器（16） 以及响应于放大的载波抑制信号和载波主导信号以产生输出信号的混频器（22,24）; 其中所述第一臂（26）的第一端（30）与所述载体抑制器（14）的输出（A）之间的所述差分组延迟; 并且第二臂（28）的第一端（30）和载体抑制器（14）的输出（A）小于或等于1000 / fo秒，其中fo是载体的时间平均平均值 输入信号（34）的频率。

公开(公告)号：US5841322A

公开(公告)日：1998-11-24

申请号：US755704

申请日：1996-11-25

申请人： Eugene Nikolay Ivanov ,  Michael Edmund Tobar ,  Richard Alec Woode

发明人： Eugene Nikolay Ivanov ,  Michael Edmund Tobar ,  Richard Alec Woode

IPC分类号： G01R29/26 ,  G01R31/28 ,  H03B1/04 ,  H03B5/18 ,  H03L7/00 ,  H04B15/00 ,  H03D13/00

CPC分类号： H03B5/18 ,  G01R29/26 ,  G01R31/2824 ,  H03B2202/027 ,  H03B2202/076

摘要： A phase detector responsive to a first signal having a carrier frequency and a second signal close to the carrier frequency, including a carrier suppression circuit which produces a carrier suppressed signal from the first and second signals, and a mixer responsive to the carrier suppressed signal and the carrier frequency to produce an output signal corresponding to the phase difference between the first and second signals.

摘要翻译： 响应于具有载波频率和接近载波频率的第二信号的第一信号的相位检测器，包括从第一和第二信号产生载波抑制信号的载波抑制电路，以及响应载波抑制信号的混频器，以及 载波频率以产生对应于第一和第二信号之间的相位差的输出信号。