versapro 2.04 standard

说明：  数字信号QPSK调制，卷积编码，根升余弦滤波器，高斯信道。并画出误码率曲线。(Digital signal QPSK modulation, convolutional coding, root-up cosine filter, Gauss channel. The error rate curve is drawn.)

采用GSM系统的GMSK调制方式，并画出出时频域图，计算BER，有利于了解GSM系统的调制解调。(Frequency domain using the GSM system GMSK modulation and draw the diagram, calculate the BER beneficial for GSM modem.)

实现信号处理中QAM调制、过信道、解调部分。其中QAM调制部分可改符号点数，M阶数，信道加高斯白噪声、时延、多径，调制解调均有星座图。通过本代码，可学习QAM调制解调，或者通信系统的知识。(To achieve QAM modulation, signal processing over channel, a demodulation section. QAM modulation section can be changed symbolic points M order channel additive white Gaussian noise, delay, multipath, the modem has constellation diagram. QAM modulation and demodulation, or communication system knowledge through this code, you can learn.)

多输入多输出系统不同收发天线对系统性能的影响(Multiple-input multiple-output system transceiver antenna different impact on system performance)

说明：  实现图像游程编码的MATLAB程序，对二值图像压缩效果明显。(RLC)

Performace analysis of Zero Forcing detection in (2,2) MIMO system using 4 QAM modulation in Rayleigh Flat Fading Channel

生成常见的混沌映射，用于混沌扩频码的设计。应用三种量化方法，比特量化、门限量化以及模2量化。重点计算其相关性能，自相关以及互相关，得到相关图像。计算序列的游程、平衡度。(To generate common chaos maps and use them to design the chaotic spreading sequences. We applied three kinds of quantization methods with bit queantization, threshold quantization and mod 2 quantization. We emphasized on the calculating the correlation performance on auto-corrrelation and cross-correlation and plotted their images.)

BPSK调制在高斯信道下的性能，误比特率和信噪比的曲线(BPSK modulation performance under gaussian channel, signal to noise ratio and bit error rate curve )

VC++和 Matlab 的 混 合 编 程 具 有 很 大 的 实际意义。 文 讨 论 了如何 使 用 Matlab 的 Complier 将 *.m 函 数 编 译 为 动 态 链 接 库 DLL， 提 供 给 VC++调 用 的 方 法，提 供 了 一 种 VC++与 Matlab 混合编程的 快 速 实 现 。(The mixed programming of VC++ and Matlab has great practical significance. This paper discusses how to use COMplier of MATLAB to compile *. m function into DLL of dynamic link library and provide a method for calling VC++. It also provides a fast realization of mixed programming between VC++ and MATLAB.)

用于调制识别的代码，通过提取特征参数，实现bpsk，qpsk等调制方式的识别(For modulation recognition code, through the extraction of characteristic parameters, implementation bpsk, qpsk forms of identification, such as modulation)