MIMO信道容量分析,分析不同信噪比情况下信道容量的变化及收发天线数的变化对信道容量的影响。
Ergodic Capacity of MIMO system (2018-11-24, matlab, 1KB, 下载14次)
使用Matlab计算信源熵，利用信息论与编码所学知识完成实验
Using Matlab to compute source entropy (2018-04-08, matlab, 69KB, 下载13次)
（1）请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。
（2）在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与(1)的曲线进行对比。
(1) the theoretical error rate performance of BPSK coherent demodulation in single path Rayleigh channel is derived, and the relationship curve of bit signal to noise ratio and bit error rate is drawn.
(2) in a single path Rayleigh channel, we design a time division guided channel estimation method. We use Simulink to simulate the BPSK bit error rate performance, and draw the relation curve between bit signal to noise ratio and bit error rate, and compare it with the curve of (1) (2017-12-11, matlab, 28KB, 下载12次)
ML法能够很好的估计信号的信噪比,各种资源分配算法实现，MIT人工智能实验室的目标识别的源码。
ML estimation method can be a good signal to noise ratio, Various resource allocation algorithm, MIT Artificial Intelligence Laboratory identification of the target source. (2017-05-12, matlab, 5KB, 下载1次)
鲁棒性好，性能优越，阐述了负荷预测的应用研究,ML法能够很好的估计信号的信噪比。
Robustness, superior performance, It describes the application of load forecasting, ML estimation method can be a good signal to noise ratio. (2017-05-07, matlab, 5KB, 下载4次)
一些自适应信号处理的算法，是本科毕设的题目，包括调制，解调，信噪比计算。
Some adaptive signal processing algorithms, The title of the commercial is undergraduate course you Includes the modulation, demodulation, signal to noise ratio calculation. (2017-04-25, matlab, 4KB, 下载5次)
是机器学习的例程，最大信噪比的独立分量分析算法，在matlab环境中自动识别连通区域的大小。
Machine learning routines, SNR largest independent component analysis algorithm, Automatic identification in the matlab environment the size of the connected area. (2017-04-23, matlab, 7KB, 下载2次)
最大信噪比的独立分量分析算法，做视觉测量的上位机代码,分数阶傅里叶变换计算方面。
SNR largest independent component analysis algorithm, Do Vision Measurement PC code, Fractional Fourier transform computing. (2017-04-22, matlab, 10KB, 下载1次)
ML法能够很好的估计信号的信噪比,滤波求和方式实现宽带波束形成，多目标跟踪的粒子滤波器。
ML estimation method can be a good signal to noise ratio, Filtering summation way broadband beamforming, Multi-target tracking particle filter. (2017-04-20, matlab, 4KB, 下载1次)
一种基于信号二阶四阶矩的信噪比估计方法，该文件中包含该方法的文章以及matlab程序。
This estimation method is based on the signal second-order signal-to-noise ratio of the fourth moment. The file contains a paper and a code. (2012-12-07, matlab, 69KB, 下载141次)
本文分析了多级维纳滤波器的特性，在加性噪声和二维天线阵列如均匀圆阵、均匀面阵、十字阵等条件和背景下，对信源个数和信源参数估计问题进行了研究，提出了基于多级维纳滤波器前向分解特性的快速参数估计方法，同时提出了基于多级维纳滤波器的二维ESPRIT参数估计方法，该类方法无需协方差矩阵的估计运算及分解运算，计算复杂度较低。另外，还提出了对信源个数的估计算法。
This paper analyzes the characteristics of multistage Wiener filter, in the additive noise and the two-dimensional antenna array such as a uniform circular array, the uniform array, cross array conditions and background, the source number and source parameter estimation problem undertook study, put forward based on Multistage Wiener filter prior to the decomposition characteristics of fast parameter estimation method, at the same time based on Multistage Wiener filter 2D ESPRIT parameter estimation method, the method does not need to estimate of covariance matrix calculation and decomposition, relatively low computational complexity. In addition, also put forward for source number estimation algorithm. (2012-03-09, matlab, 3403KB, 下载118次)
联合信源信道编码,用于无线通信仿真，考虑了信源与信道的折中
Combined source and channel code (2012-03-01, matlab, 577KB, 下载23次)
利用通信系统中调制信号的循环平稳特性,对频谱空洞进行检测,提升频谱感知技术在低信噪比下的性能。实验结果表明:与传统能量检测方法相比,采用循环特征检测方法改善了认知无线电中频谱空洞的检测能力。
Based on the cyclostationarity of modulation signals, spectrum hole is detected, aiming at the improve- ment of the performance of spectrum sensing in low SNR situation. The results show that comparing with the tra- ditional energy detection technique, cyclostationarity-based spectrum sensing technique has greatly improved the detective ability in cognitive radio. (2011-03-22, matlab, 196KB, 下载373次)
：为了论证高斯最小频移键控(GMSK)信号在时域和频域的相互关系，分析了GMSK信
号调制原理和滤波器传递函数，建立了GMSK调制和解调模型。
: In order to demonstrate Gaussian Minimum Shift Keying (GMSK) signal in time domain and frequency domain, the relationship between the analysis of GMSK signal modulation principle and the filter transfer function established model for GMSK modulation and demodulation. (2010-03-16, matlab, 8451KB, 下载70次)
基本波形的产生 有脉冲响应 及相关的信源产生方法
Produce the basic waveforms and the associated impulse response method for forming the source (2009-11-25, matlab, 9KB, 下载3次)
这是一篇英文文献，文章题目是Claude Shannon and "A Mathematical Theory of Communication".是香农的《通信的数学理论》一文的读书报告。内容包括：香农的生平背景、消息、信息、熵函数、信源编码、信道编码等。
This is an English literature article entitled Claude Shannon and " A Mathematical Theory of Communication" . Are Shannon' s " Mathematical Theory of Communication," one man, reading the report. Include: the context of Shannon' s life, message, information, entropy function, source coding, channel coding. (2009-03-23, matlab, 253KB, 下载43次)
现有数字信号自动调制识别方法大多只适用于无记忆信号，如PSK、ASK、FSK信号等。将有记忆
信号(MSK信号)和无记忆信号一起考虑，提出了一种改进的数字信号自动识别方法。该方法采用信号的瞬时统
计量作为特征参数，采用多层神经网络作为分类器。计算机仿真表明：当噪声采用高斯白噪声，并且信噪比大于
l5 dB时，识别率高于96％ ；当信噪比不低于l0 dB时，识别率不低于90％。
Existing digital signal automatic modulation recognition methods are mostly applied only to memoryless signals, such as PSK, ASK, FSK signals. Will have a memory signal (MSK signal) and non-memory signal into consideration, an improved digital signal automatic identification method. This method is the use of the instantaneous signal statistics as a characteristic parameter, the use of multi-layer neural network as classifier. Computer simulation shows that: When the noise using Gaussian white noise, and signal to noise ratio greater than l5 dB, the recognition rate is higher than 96 when the signal to noise ratio not less than l0 dB, the recognition rate of not less than 90. (2008-10-08, matlab, 181KB, 下载308次)
本文作的工作是利用信号仿真器仿真GPS数字中频信号，并借助这些仿真信
号完成对GPS信号的捕获和跟踪性能的研究。
This article is for the use of GPS signal simulator simulation digital IF signal, and make use of these simulation signal completion of the GPS signal acquisition and tracking performance study. (2008-05-07, matlab, 1019KB, 下载52次)
MATLAB程序的仿真比较。随后，针对QPsK，详细讨论了其基本原理和具体的实现算法，并进行了仿真验证，然后选用HSP502巧数字上变频芯片和HSP50214B数字下变频芯片，设计了数字调制、解调器的实现方案。最后，作为对整个数字视频图像传输系统的宏观认识，利用M户JLAB中的实时建模仿真Simullnk库对典型的视频图像传输系统一数字视频广播系统(D vB)，进行了建模、仿真和初步的分析，结果表明:在高斯白噪声的传输环境下，系统采取的一系列抗干扰措施，包括内、外码级联的信道纠错编码和先进的调制技术(o FDM)等，保证了信源信息传输的有效进行。
MATLAB simulation comparison. Then, against QPsK to discuss in detail the basic principles and specific algorithm, a simulation test, and then choose the cleverest HSP502 figures HSP50214B frequency chips and digital down conversion chips, the design of digital modulation, demodulation for the realization of the program.MJLABSimullnk(D vB):Andean white noise transmission environment, the system adopted a series of anti-jamming measures, including internal and external codes Cascade Channel advanced error correction coding and modulation techniques (o FDM), ensuring a source of information for the effective transmission. (2005-06-14, matlab, 8396KB, 下载243次)