aska

K-nearest neighbors 搜索 聚类时经常使用的一种方法 国外网站转载( The following utilities are provided: - Nearest neighbor - K-Nearest neighbors - Radius Search They al supports N-dimensions and work on double, it is possible to choose if return the distances. Here is a time comparison with a vectrized m-code: N=1000000 number of reference points Nq=100 number of query points dim=3 dimension of points k=3 number of neighbor tic [idc,dist]=BruteSearchMex(p ,qp , k ,k) MEX toc tic [idc,dist]=knnsearch(qp,p,k) VECTORIZED M-CODE toc p=rand(N,dim) qp=rand(Nq,dim) Output: Elapsed time is 0.962640 seconds. Elapsed time is 18.813100 seconds. )

说明：  实现QPSK的仿真，画出误码率和信噪比的曲线(QPSK simulation to achieve, draw the curve of error rate and SNR)

正弦波的LP建模 能显示原正弦波波形及它的频谱图，LP模型的频谱图，LP模型的极点图，LP模型的脉冲响应图。(This demonstration illustrates the modelling of a sinewave with an LP model The displays show the sinewave,it spectrum, the spectrum of the LP model,the poles of the LP model and the impuse response of the LP model.)

运动目标检测和跟踪，用的是水平集方法和二次帧差法实现(Moving target detection and tracking)

利用自适应滤波法研究从宽带信号中提取单频信号的方法(Adaptive filtering of broadband signals from a single frequency signal extracting method)

说明：  混频系统分析，包括零极点图、单位冲击响应和频率响应(Mixing system analysis, including pole-zero map, unit impulse response and frequency response)

arma模型，利用matlab来实现的，arma模型的matlab代码实现。可以实现任意步数的预测。(arma model using matlab.You can achieve any number of steps predicted. )

霍普菲尔德网络的另外一个例子，matlab编程(Hopfield networks, another example, matlab programming)

这是LBG的matlab程序 写在Word里 里面有相应的程序实现目的 方法步骤 和思路(This is the LBG matlab program written in Word, there are appropriate procedures to achieve the purpose of the method steps and ideas)

Estimation Theory. Easy Understandable form in PPT formate. With detail explaination of important point.