好用的EXCEL数据保存-3

认知无线电 频谱分配。 颜色敏感分配方法 (Cognitive radio spectrum allocation. The sensitive allocation method based on the color of user fairness)

基于梳状导频的LS信道估计算法与无信道估计算法性能对比(Performance Comparison between LS Channel Estimation Algorithm and Channelless Estimation Algorithm Based on Comb Pilot)

GMSK的调制解调原理分析，包含MATLAB程序代码，代码后有注释(GMSK modulation and demodulation principle analysis, including MATLAB program code, code after annotations.)

运用matlab搭建了MIMO—OFDM系统，并仿真了该系统在awgn信道，平坦衰落和多径信道下的误码率。(Using matlab built a MIMO-OFDM systems, and simulation of the system in awgn channel, flat fading and multipath channel BER.)

频谱感知，生成采样频率，进行能量检测，采用matlab算法(Spectrum sensing, generation of sampling frequency, energy detection, using matlab algorithm)

Modbus for Field Technicians 介绍modbus的相当好的资料，包括原理和编程和协议介绍(Modbus for Field Technicians introduction modbus fairly good information, including schematics and programming and protocol description)

本程序利用改进的CHOW算法，仿真了自自适应OFDM系统的性能，并画出了SNR (This program makes use of improved CHOW algorithm simulates the performance of self-adaptive OFDM system, and draw the SNR)

D2D通信中开环功控的演示，并对其进行编译(Demonstration of open-loop power control in D2D communication)

给出了分数阶傅里叶变换的具体实现程序，阶数可调。该程序实现是根据一篇通信学报上的论文做的。同时提供了OFDM系统在不同信道估计技术下的误码率以及多径信道下的性能。对于想研究基于分数阶傅里叶变换的OFDM系统的人有一定帮助。(The codes for fractional fourier transform (frft) and its inverse way are given according to a published paper in Journal of Communication. The power is adjustable. In addition, two programms of OFDM system simulation under different channel estimate technique and multipath are offered. Therefore, such file packet is of use for those who have interests in studying OFDM based on frft)

在MATLAB上设计一个（2，1，3）卷积编码器和对应的采用维特比译码算法的译码器。编码器的生成多项式为：[1 0 1；1 1 1]。将编码器的输出经过一个高斯白噪声信道的结果作为译码器的输入，观察比较译码器输出和编码器输入，了解卷积码的容错性，并计算译码结果的误比特率.(A convolutional coder (2, 1, 3) and corresponding decoder using Vitby decoding algorithm are designed on MATLAB. The generating polynomial of encoder is: [1 01; 11 1]. The output of the encoder through a Gauss white noise channel as a result of the decoder input, compare the output of the decoder and encoder input, understand the fault tolerance of convolutional code, and calculate the decoding results of bit error rate.)