This initial demodulator incorporates a digital mixer, DDFS and low-pass filter.
该解调器由数字混频器、数字频率合成器(DDFS)和低通滤波器构成。
Realizes V. 29 signal basic modulate and demodulate procedure which includes square root raised cosine rolling-off shaping filter and orthogonal channel signal modulator and demodulator.
分别实现了V．29信号基本调制解调过程，包括平方根升余弦滚降脉冲成形技术的滤波器实现，以及对信号的正交调制与解调过程。
Simulations show that for a 4-symbol parallel width 2-symbol output width demodulator, the demodulation loss caused by time domain truncation in the parallel filter is about 0.6 dB.
应用该公式分析并行宽度为4个码元，输出宽度为2个码元的解调器，并行滤波的时域截断导致的解调损失约为0。
This paper presents a Nyquist filter to perform symbol synchronization and matched filtering in a QAM demodulator for digital television.
本文设计了一种用于完成QAM数字电视解调芯片中符号及匹配成形功能的奈奎斯特滤波器。
The receiver unit mainly consisted of the digital down converter, matched filter, integration and dump module, power detector, symbol tracking processor, differential demodulator and so on.
接收部分主要是扩频系统的数字下变频、积分清洗、匹配滤波器解扩、功率检测、符号跟踪、差分译码等技术。
A control circuit comprises a band-pass circuit, a primary amplifying circuit, a differential detection circuit, a demodulator circuit, a lowpass filter circuit, etc.
控制电路部分由带通电路、一级放大电路、差动检测电路、解调电路、低通滤波电路等部分组成。
A control circuit comprises a band-pass circuit, a primary amplifying circuit, a differential detection circuit, a demodulator circuit, a lowpass filter circuit, etc.
控制电路部分由带通电路、一级放大电路、差动检测电路、解调电路、低通滤波电路等部分组成。
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