qpsk

Research Based on QPSK Carrier Recovery Method of Sweeping Algorithm

基于扫频算法的QPSK载波恢复技术研究

Theory of a High-Speed QPSK Demodulation and Its System View Simulation

高码速率QPSK解调载波恢复的原理与仿真

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

Research on Timing Synchronization Algorithm to Burst QPSK Signal Open Loop Structure

开环结构突发QPSK信号定时同步算法研究

Power spectrum analysis and experimental research of PN code modulated QPSK waves

伪码QPSK调制的功率谱分析和实验研究

Parameter estimation of QPSK based on cyclic spectrum and DSP implementation

基于循环谱的QPSK参数估计及DSP实现

Development of Symbol Timing Recovery Circuit for Variable Rate QPSK Modem

可变速率QPSKModem中码元定时恢复电路的研制

QPSK is commonly used in communication because of its bandwidth efficiency .

QPSK调制方式频带利用率高，因而在通信系统中被广泛采用。

Modeling and Simulation Analysis of QPSK Radar Signal

QPSK雷达信号的建模与仿真分析

Design and Realization of QPSK Modulation and Demodulation Circuit Based on FPGA

基于FPGA的QPSK调制解调电路设计与实现

QPSK performance researching in land mobile satellite communication channel

陆地移动卫星信道中QPSK调制特性研究

Symbol timing recovery in super high speed demodulation for QPSK signals

超高速数字解调中QPSK信号的符号同步研究

Simulation Research on Coherent Carrier Extraction for QPSK Signals

QPSK信号相干载波提取的仿真研究

Design of QPSK Demodulation Based on Software Radio

基于软件无线电的QPSK解调的设计

Design of QPSK Carrier Loop for Low SNR Signals with Large Frequency Offset

大频偏低信噪比条件下QPSK载波环的设计

Mento Carlo Simulation and Performance Analysis of QPSK Coherent Measurement Systems

QPSK相关检测系统蒙特卡罗仿真及其性能

A new OCDM technology of QPSK coherent phase encoding in time domain

QPSK时域相干相位编码的OCDM新技术

The Synchronous Carrier Recovery Algorithms Of QPSK Receiver In Burst Mode

突发模式QPSK接收机的同步载波恢复算法

Performance and application of transmitting diversity in Rayleigh channel with QPSK modulation

QPSK调制方式下瑞利信道发端分集的性能分析及实现

Simulation Analysis of CPM and QPSK in Digital Satellite Broadcast

数字卫星广播中CPM与QPSK调制性能仿真分析

Decision Feedback Loop QPSK Signal Carrier Tracking Technology

基于判决反馈环路的QPSK信号载波跟踪技术的研究

The Simulation and Hardware Realization of π / 4 QPSK Modulator

π/4QPSK调制器的软件仿真与硬件实现

Effects of RF Channel Nonlinear Distortion on QPSK Signal

对射频信道非线性影响QPSK信号的分析

QPSK as an advanced digital modulation technique is fit for the digital satellite communication system well .

QPSK作为一种先进的数字调制方式，特别适用于数字卫星通信系统。

The Influences of Frequency Selective Fading on BER Performance of QPSK Systems

频率选择性衰落对QPSK系统误码性能的影响

Study on phase ambiguity resolution of QPSK digital demodulation

QPSK数字化解调相位模糊校正方法研究

An Effective Approach to the Recognition of BPSK / QPSK Signals

一种有效的BPSK/QPSK信号调制识别方法

QPSK modulating process in FPGA and design of peripheral circuit are introduced in detail .

具体介绍了如何利用FPGA实现QPSK调制的各个处理过程，并进行了电路设计和调试。

FPGA Design and Implementation of IF Sampling QPSK Demodulation

中频采样QPSK解调的FPGA设计与实现

This paper proposes an iterative demodulation method applied in the bit-Interleaved QPSK system .

本文提出了比特交织的QPSK系统迭代解调的方法。