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bd_psk_decoder20150303
- 对DQPSK调制解调技术的FPGA实现进行了比较全面的研究,利用nQpSK调制技术实现了码速20oKbps的调制器。调制载频3.2MHz、带宽18oKHz、带外抑制大于45dB,调制器设计达到预定要求。解调器硬件完成,软件未全部实现,但完成了CIC滤波器、载波跟踪环、位定时同步、并串转换等几个关键模块的设计。对解调器做了实验测试,验证了相关模块设计的正确性,解调器中重要的载波同步功能己能实现-DQPSK modulation and demodulation techniques for FPG
OFDM_channel_simulation
- OFDM系统的整个模型仿真,采用DQPSK调制和解调,输出误码率的程序。-The simulation model of the entire OFDM system, the programme of output error rate
pi4_qpsk_2010_05_07
- pi4 dqpsk coherent demodulation example model. matlab. simulink.
mode_demode
- bpsk,qpsk,dbpsk,dqpsk,16qam,64qam调制解调MATLAB代码-Matlab BPSK, QPSK, DBPSK, DQPSK, 16 qam and 64 qam modulation method of modulation and demodulation, and accompanied by the validator, convenient for validation
pi_4DQPSK
- 用matlab产生pi/4-DQPSK信号,脉冲形成滤波器,加噪处理,分析误码性能-Produce pi/4-DQPSK signal matlab, pulse forming filter, noise processing, error performance analysis
DQPSKJT
- DQPSK系统解调系统。本人自己编写。可以适合调试。本人感觉不错。-DQPSK system demodulation system. I write your own. Can be suitable for debugging. I feel good.
80211b_tx
- 本人亲自写的WIFI 802.11b发送过程,包括preamble生成, PSDU生成,组帧,巴克码扩频,CCK调制,DBPSK调制,DQPSK调制,CRC校验,代码完整可运行-I personally wrote the 802.11b WIFI sending process, including the preamble generation, PSDU generation, group frame, PN code spread spectrum, CCK modulation, DB
pi4DQPSK
- 本代码主要通过pi/4 DQPSK,经过AWGN信道,可以对比不同offset下BER的变化。主程序请点击BER_Figure。-This code mainly by pi/4 DQPSK, through AWGN channel, you can compare different offset changes under the BER. Click on the main BER_Figure.
DqPSK
- 基于MATLAB的 QPSK 仿真程序。欢迎无码下下载。- MATLAB QPSK
qpsk
- 正交相移键控(Quadrature Phase Shift Keyin,QPSK)是一种数字调制方式。它分为绝对相移和相对相移两种。由于绝对相移方式存在相位模糊问题,所以在实际中主要采用相对移相方式DQPSK。目前已经广泛应用于无线通信中,成为现代通信中一种-Quadrature phase shift keying is a kind of digital modulation method. It is divided into two types, the absolute phase s
dqpsk1
- matlab的simulink中使用模块搭建dqosk模型,实现信号的dqpsk调制-matlab in the simulink model using modules built dpsk achieve modulation signal dqpsk
LRBWJP6
- 一个pi4-DQPSK的仿真程序,GUI界面,可以计算误码率 不错的-A simulation program pi4- DQPSK, GUI interface, bit error rate can be calculated
tin
- 一个pi4-DQPSK的仿真程序,GUI界面,可以计算误码率 不错的-A simulation program pi4- DQPSK, GUI interface, bit error rate can be calculated
SDISMNK
- A simulation program pi4 - DQPSK, GUI interface, bit error rate can be calculated-A simulation program pi4- DQPSK, GUI interface, bit error rate can be calculated
QPSK代码
- 正交相移键控(Quadrature Phase Shift Keyin,QPSK)是一种数字调制方式。它分为绝对相移和相对相移两种。由于绝对相移方式存在相位模糊问题,所以在实际中主要采用相对移相方式DQPSK。目前已经广泛应用于无线通信中,成为现代通信中一种十分重要的调制解调方式。(Quadrature phase shift keying (quadrature phase shift keyin, QPSK) is a digital modulation. It is divided in
调制识别
- 提供了一个调制信号发射程序,以及误码率分析程序,(Provides a modulation signal emission procedures, and bit error rate analysis procedures,)
QPSK_Simulation
- communication engineering
simllation-program
- 一个pi4-DQPSK的仿真程序,GUI界面,可以计算误码率 不错的(A simulation program pi4 - DQPSK, GUI interface, bit error rate can be calculated)
source
- dqpsk的完整調製解調,采用costas載波同步(DQPSK complete modulation and demodulation, using Costas carrier synchronization)
matlab_DQPSK
- 一个DQPSK的MATLAB仿真文件,没有使用simulink.(One simulation of DQPSK based on MATLAB)