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.
Design of Digital Quadrature Modulator Based on AD9957
基于AD9957的数字正交调制器设计
3.
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
4.
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
5.
Digital Quadrature Transformation Techniques of ILS Signals Based on Polyphase Filters
基于多相滤波的ILS信号的数字正交变换技术
6.
DDC Technology Based on Digital Orthogonal Mixing
基于正交混频的数字下变频技术研究
7.
Research of Digital Watermarking Based on a Set of Nosinusoidal Family Orthogonal Transforms
基于非正弦类正交变换的数字水印研究
8.
The Study of Extraction of Digital Orwthogonal Baseband Signal in Digital Receiver
数字接收机正交基带信号提取方案的研究
9.
Study of Watermarking Algorithm for Image Based on Biorthogonal Wavelet;
基于双正交小波变换的图像数字水印算法研究
10.
Research on Modulation Methods in Digital Communications Based on Non-orthogonal Ideas
基于非正交思想的数字通信调制方法的研究
11.
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
12.
Digital Combination of Signals from Quadrature MRI Receiver Coils
磁共振成像的正交线圈数字合成方法研究
13.
Digital Intermediate Frequency Quadrature Coherent Detection System Based on Polyphase Filtering
基于多相滤波的数字中频正交相干检波系统
14.
Design of Fast Algorithm and Application in Digital Watermarking about a Set of Nosinusoidal Family Orthogonal Transforms;
M序非正弦类正交变换的快速算法设计及其在数字水印中的应用
15.
Committee on Exchange of Digital Data
数字数据交换委员会
16.
packet switched digital data network
分组交换数字数据网
17.
Digital switches are now being implemented to accommodate these modulation types.
目前正在安装数字交换机以使前述两种调制方法得以实现。
18.
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。