The system distortion is inevitable in wide-band analog quadrature receiver because of the existing of amplitude and phase errors, the performance of receiver become worse.
由模拟器件构成的宽带正交解调接收机会由于正交通道的幅相不一致性造成整个系统的失真，进而影响整个接收系统的性能。
The performance of the analog circuit is difficult to satisfy the need, such as the analog pll can't satisfy the requirement of noise restrain in digital clock extracting circuit.
模拟电路的性能难以满足需要，例如，在支路时钟恢复电路中，模拟锁相环难以满足噪声抑制要求；
Last, after analyzing signal characteristics and locating performance of analog TV, its detecting characteristics and locating performance are compared with those of HDTV signal.
最后，本文简要地分析了基于模拟电视信号的无源探测性能和定位精度，并分别与基于数字电视信号的无源雷达系统的相应性能作了比较。
应用推荐