1.
Design of IF Sampling and Digital Quadrature Demodulator in Digital Receivers;
数字接收机中频采样数字正交解调器的研制
2.
Research of OFDM Modulation and Demodulation System Based DAB;
数字音频广播正交频分复用调制/解调系统的研究
3.
Study of Digital IF Modulator-Demodulator Based on SOPC;
基于SOPC的数字中频调制解调器设计方法研究
4.
Implementation of High-Speed FIR Filter in Quadrature Digital Downconvert
正交数字下变频中高速FIR滤波器实现技术研究
5.
The Design and Realization of Digital Quadrature Demodulator Based on DSP
基于DSP的数字正交解调器的设计与实现
6.
The Application of DSP in FSK Demodulation
数字信号处理器在移频信号解调中的应用
7.
Research on Key Technology of FY-2 IF All-Digital Demodulator;
风云二号中频全数字解调器关键技术研究
8.
The sampling theorem for bandpass signal is the theoretical basis for design of all digital quadrature detectors.
带通信号采样定理是全数字式正交检波器设计的理论基础。
9.
AMC audio/modem codec
音频/调制解调器多媒体数字信号编解码器
10.
Design of Programmable Divider in Digital TV Tuner;
数字电视调谐器中可编程分频器设计
11.
The left ventricular pressure , femoral arterial blood pressure and the ECG wave form are digitized at a sampling rate of 500 Hz by a 12 bit A/D converter.
籄/D转换器将LVP、BP、ECG信号数字化,采样频率为500Hz.
12.
AC Electric Parameter Measuring System Digital Sampling Method Realized with Digital Lowpass Filter;
用数字低通滤波器实现数字采样法的工频电参数测量系统
13.
Design of Digital Quadrature Modulator Based on AD9957
基于AD9957的数字正交调制器设计
14.
Design of audio data acquisition of digital FM exciter based on DSP
基于DSP的数字调频激励器前端音频数据采集设计
15.
Study on High Accurate Digital Quadrature Sampling/Interpolation Methods and Application;
高精度数字正交采样/插值方法及其应用研究
16.
The Application Study of Intermediate Frequency Band-Pass Sampling Technique in Digital Receiver
中频带通采样技术在数字接收机中的应用研究
17.
Realization of quadrature coherent detection by direct sampling of IF signal
直接中频采样实现正交相干检波的研究
18.
The correct expression is introduced in this paper, and the optimum design of all digital quadrature detectors is discussed.
本文首先讨论带通信号采样定理,然后在此基础上研究全数字式正交检波器的优化设计。