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提出了一个采用(2,1,7)卷积码+QPSK的中频调制解调方案,并在Xilinx公司的100万
门FPGA芯片上实现了该系统。该系统在信噪比SNR为6dB左右时可实现速率超过1Mbit/s、误码率
小于10-5的数据传输。
-Proposed a use of (2,1,7) convolutional code+ QPSK modulation and demodulation of the IF program, and in Xilinx' s FPGA chip one
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qpsk MAtlab show the using of qadrature amplitude modulation as modulation code and you can shose the psk length
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DS_CDMA通信系统的MATLAB仿真源程序，包含发射信号、QPSK调制、GLOD码扩频、解扩、解调等过程-DS_CDMA communication system simulation source of MATLAB, including emission signal, QPSK modulation, GLOD code spread-spectrum despreading, demodulation, etc.
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This code is related to the course Digital Communications.
It easily reproduces the error probability
as a function of the SNR per bit for QPSK and 16-QAM systems using MATLAB
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基于matlab的QPSK在不同的信道环境下的仿真分析的源代码-Based on the matlab QPSK under different channel environment simulation analysis of the source code
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C and MATLAB implementation for LDPC encoding and decoding-Overview of what is provided
WiFi (IEEE 802.11n) LDPC code construction
Encoding by back-substitution for WiFi LDPC codes
Iterative belief propagation (BP) Decoding (including
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QPSK软件接收机详细设计，详细分析接收机设计过程中的每一步操作，附录有详细MATLAB代码(QPSK software receiver detailed design, detailed analysis of the receiver design process in each step of operation, the appendix has detailed MATLAB code)
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