linearconvolution

通信的数字化是它能与计算机技术和数字信号处理技术相结合的基础，而实现通信数字化的前提是信源能提供的各种用于传递的消息，例如语音、图像、数据、文字等都必须以数字化形式表示。而信源编码是数字通信系统中的重要组成部分，他是保证信号有效传输的一种重要方式。霍夫曼编码依据字符出现的概率来构造异字头的平均长度最短的码字，有时称之为最佳编码，其优越的性能被广泛使用在数字通信系统中。霍夫曼编码已经成为数据压缩的灵魂算法。本文介绍了无失真编码算法的构造，霍夫曼编码的规则和特点，同时分析了对信源进行优化的方法，最后通过MATLAB仿真来讨论比较二元霍夫曼编码、三元霍夫曼编码以及信源扩展编码的效率，来实现霍夫曼码的优化构造。(The digital communication is it can and computer technology and digital signal processing technology in combination of the base, and realize the digital communication is the premise of source can provide all kinds of used to deliver news, such as voice, video and data and text must take the digital form said. And the source coding digital communication system is the important component, he is to ensure the effective transmission signal is an important way. Huffman coding based on the probability of characters appear to construct different "the average length of the shortest code words, sometimes called the best coding, superior performance is widely used in digital communication system. Huffman coding has become the soul of data compression algorithm. This paper introduces the structure of the encoding algorithm without distortion, Huffman coding rules and characteristics, and analysis of the source of the optimization method, and finally by MATLAB simulation to discuss compares two yu)

仿真OOK载波调制信号在AWGN信道下的误码率和误比特率性能，并与理论值相比较。 OOK是ASK调制的一个特例，把一个幅度取为0，另一个幅度为非0，就是OOK。(OOK modulation signal simulation in AWGN channel bit error rate and bit error rate performance, and compared with the theoretical value. OOK is a special case of ASK modulation to an amplitude taken as 0, and the other non-zero amplitude is OOK.)

说明：  meanshift跟踪算法的实现，主要是利用metlab来完成的，效果还不错(mean shift tracking algorism)

This is a phase field simulation example to simulate the segeration of two phase flow.

光伏电池仿真模型及MPPT仿真，MPPT算法采用扰动观察法(PV panel simulate model and MPPT simulate)

AMIKO_HD8300_Series_1.6.33_emu egy jó emus változata

This simple module calculate the RMS value of an input signal (also measured)by using the deffined equation in the IEC norm

单相逆变器并网控制和有源频率偏移孤岛检测(Single-phase inverter and network control and active islanding detection of frequency offset)

Space-Time Codes and MIMO Systems中的Fig2.12的代码，书中的代码有误(This code is uesed for simulation for the book Space-Time Codes and MIMO Systems , Fig 2.12)

This paper propose a Firefly algorithm (FA) for optimal placement and sizing of distributed generation (DG) in radial distribution system to minimize the total real power losses and to improve the voltage profile. FA is a metaheuristic algorithm which is inspired by the flashing behavior of fireflies. The primary purpose of firefly’s flash is to act as a signal system to attract other fireflies. Metaheuristic algorithms are widely recognized as one of the most practical approaches for hard optimization problems. The most attractive feature of a metaheuristic is that its application requires no special knowledge on the optimization problem. In this paper, IEEE 33- bus distribution test system is used to show the effectiveness of the FA. Comparison with Shuffled Frog Leaping Algorithm (SFLA) is also given.