pinpu

基于客观测试方法针对普通话的AMR 话音激活检测算法性能分析(Mandarin based on objective testing methods for the AMR voice activity detection algorithm performance analysis)

用vba程序遍历所有目录下的excel文件，把各文件中两列经度和纬度的内容合并，并插入新列。很好的高效率的遍历程序。(Vba program to traverse all excel file directory, each file merge the contents of two of the latitude and longitude, and insert a new column. Good high efficiency of the traversal process.)

模拟声源在两种介质中产生的声波的传播，采用SPML作为吸收边界(we simulate the propagation of acoustic wave in two media. we use SPML as the boundary conditions.)

GUI接口编程设计经典源码资料GUI Interface Programming classic source data(GUI Interface Programming classical source information GUI Interface Programming classic source data)

说明：  只适应算法的matlab的程序，大家可以学习一下，呵呵(Only to adapt the algorithm matlab program, we can learn about, huh, huh)

入门基本操作,给大家一个简单的介绍，以此来了解matlab(Getting Started Basic Operations)

对于初学者来说，有助于理解滤波器的原理还附有简单的matlab编程(For beginners to understand the principles and simple filter matlab programming)

MATLAB中svm入门ppt介绍及程序实例介绍(Getting Started with MATLAB, and procedures of example to illustrate svm)

说明：  为了提高认知无线电中感知用户对授权用户(主用户) 的检测概率,提出一种新的基于循环 谱统计量的主用户信号检测算法. 该算法利用循环谱离散频域平滑方法,对信号的循环谱在循环频 率处建立合理的检测统计量,然后求解得到对应不同虚警概率的判决门限,以使感知用户能检测信 噪比更低的授权用户信号.(To increase the detection probability of sensing users for licenced users (primary signals) in the cognitive radio , it put s forward a new primary users signal method based on cyclic spect rum statis2 tics. By using discrete f requency smoothing of cyclic spect rum , this algorithm establishes the reason2 able detection statistics on the cyclic f requency of signal cyclic spect rum , then solves and obtains the decision threshold correspond to different false alarm probability , as a result , making the sensing users can detect licenced users signal under lower signal in noise ratio (SNR) .)

LTE 下行链路信道估计，有MMSE，LS，理想估计三种方式(LTE downlink channel estimation, a MMSE, LS, ideal estimated three ways)