quadrature modulation是什么意思

网络释义

用法例句

Multiuser chaotic communication schemes with quadrature modulation based on the Walsh codes;

基于Walsh码的多用户正交调制混沌通信方案

A chaotic communication scheme with quadrature modulation;

一种正交调制的混沌通信方案

In order to have an all-around knowing of quadrature modulation and de- modulation,mainly research the implementing technology problem of quadrature system.

正交系统广泛存在于各种领域中,为了对通信系统中的正交调制和解调有一个全面的认识,研究正交系统的仿真实现问题,结合框图和公式推导给出该系统调制与解调的工作原理,并以最小频移键控为例,基于SystemView软件环境设计该系统的仿真实现,给出系统的主要功能和参数,以及所得到的系统的仿真运行结果。

IP-over-WDM optical label switching networks based on orthogonal modulation;

基于正交调制的IP-over-WDM光标记交换网络

Performance evaluation of coded M-ary orthogonal modulation;

编码M进制正交调制的性能评估

The relevant techniques are detailed including orthogonal modulation, single-subband modulati.

阐述了该载波机的设计原理、硬件组成,引入了正交调制的概念,并详细介绍了单边带调制和网格编码调制的软件实现方法。

The Research of A High-performance Direct RF-modulation and Multi-functional Quadrature Modulator;

一种高性能直接射频调制多功能正交调制器的研制

A new highly linear module of 5 GHz quadrature modulator and upconverter for an IEEE802.

11a无线局域网中的5GHz高线性度新型正交调制器和上变频器。

The performances of the digital system is investigated in detail including the effects of amplitude quantization bits and the sampling frequency at digital base-band,the non-idealization of the quadrature modulator,spurs involved in the frequenc.

探讨了系统数字基带中的幅度量化位数和采样频率、正交调制器的非理想性、倍频电路中的误差因素和中频LFM信号有时域畸变时对输出信号性能的影响,为超宽带系统工程实现时参数选择、性能评估和性能优化提供重要的理论依据和经验参考。

colour multiplexing

彩色副载频正交调制

Nonsinusoidal Orthogonal Modulation in Time Domain Based on Orthogonal Pulses

基于正交脉冲的非正弦时域正交调制方法

Design of Digital Quadrature Modulator Based on AD9957

基于AD9957的数字正交调制器设计

A type optical label technology based on orthogonal PolSK/Inverse-RZ modulation

基于正交调制PolSK/Inverse-RZ的光标记技术

Study of QPSK Modulation System Base on FPGA and Design of Arithmetic;

基于FPGA的正交调制系统的研究与算法设计

Optimal Power Allocation for Cooperative Systems Utilizing Quadrature Modulation

一种正交调制协作系统的功率分配方法

QPSM and navigation signal multiplexing

正交叉积副载波调制与导航信号复用

The technology and applications of the Orthogonal multi-carrier OFDM modulation

正交多载波调制OFDM技术及其应用

A Novel Lower Complexity Quasi-orthogonal Unitary Space-Time Modulation

一种新的低复杂度准正交酉空时调制

The New Modulation Formal Research of Orthogonal Optical Label Switching

正交光标记交换中新型调制格式的研究

Demodulation method of LSK signal of fuzes based on orthogonal transformation

基于正交变换的负载调制信号解调方法

The Initial Modulation Phase Influence and Calibration in Orthogonal Demodulation for Optical Fiber Interferometric Sensor

干涉型光纤传感器的正交解调中调制初相位影响及校正算法研究

The Simulation Analysis of SSSC Modulation Algorithm Based on Non-orthogonal Coordinates;

基于非正交坐标系的SSSC调制算法仿真分析

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

Research on Simulation of Non-orthogonal Multi-Modulation in Wireless Communications;

非正交多重调制在无线通信中的仿真研究

Design of Supporting Software for NMT Experimental Prototype;

非正交多重调制技术试验样机的支持软件设计

Research on Simulation of Non-orthogonal Multi-Modulation in Field Phone Line Channel;

非正交多重调制在被覆线信道的仿真研究

Research on Complete Complementary Sequence and Moudulation and Simulation Methods of Polyphase Orthogonal Sequence;

完全互补序列及多相正交序列调制仿真的研究