ifp

this is DOA estimation algorithm

main executing reference usage: usage_timeDifference.m Sample output: The time interval between earierTime [09-Sep-1900 09:09:18] and laterTime [31-Oct-2010 23:33:08] is 110 years, 79 days, 14 hours, 23 mins, 50.17 secs. The objective is to compute the time interval taking into account the leap days that are subsumed within the time interval. Note: The logic subsumes the time interval by yearEnd, monthEnd, dayEnd - timeEarlier (within that year) + time interval (excluding that 2 years) + timeLater - yearEnd, monthEnd, dayEnd (within that year) It differentiates the earlier time and later time, ie. timeDifference (earlierTime, laterTime) gives the same result as timeDifference (laterTime, earlierTime). leapDayHasPassed.m illustrates a possible approach to determine if a certain day of concern is already over at a given time. Caveat: does not include leap secs

说明：  rsa加密解密是一种公钥加密算法，广泛应用于信息安全领域(rsa encryption and decryption is a public key encryption algorithm widely used in the field of information security)

pdf version of signal modelling in zip format

This is a matlab program using the most-likelihood method to estimate the frequency of a sinusoid wave. Also, a basic filter is provided to check the benefit from using that. The result show that ML method reacches CRB at normal SNR.

PSO algorithm for solving basic question. It combine with c1 and c2, which their sum are between 0 to 4.

支持向量机的程序，在机械故障诊断中可以用，可以运行(SVM program in mechanical fault diagnosis can be used, you can run)

10mQPSK C++代码 rrc滤波(10mQPSK C++ rrc)

说明：  LMS (Least Mean Squares): most basic canonical ANC algo FxLMS (Filtered eXtended Least Mean Squares): adds an additional learned filter for the secondary path signal - signal from cancellation speakers to users ears - to account for phase problems and audio coloration added during practical noise cancellation applications NLMS (Normalized Least Mean Squares): adds simple adaptively updated learning rate on top of LMS to speed convergence. FxNLMS (Normalized Filtered eXtended Least Mean Squares): combines FxLMS and NLMS FuNLMS (Filtered-u Last Mean Squares): adds an additional active LMS filter to FxNLMS to cancel out noise bleeding from the cancellation speaker to the error mic. Fairly robust but convergence not gaurunteed!

采用了小波去噪的思想，计算目标和海洋回波的功率谱密度,应用小区域方差对比，程序简单，利用matlab针对图像进行马氏距离计算 ,一个很有用的程序，包含优化类的几个简单示例程序。