image

说明：  基于匹配滤波器输出的非线性判决反馈DF检测器(This paper introduees cause of formation of MAI in CDMA systems, and Points out that multi-user Deteetion(MUD) teehnology can improve eapability and performanee of CDMA through suppressing MAI)

bilineal algoritmo de filtro

说明：  输出两路数模转换的信号，用于合成QAM星座图(Two large ones analog converter output signals, for synthesizing QAM constellation)

说明：  关于无线定位的各种TOA,TDOA,Chan,Taylor等方法的matlab代码(Matlab code of various TOA, TDOA, Chan, Taylor and other methods for wireless positioning)

阵列结构为面阵，在面阵的基础上进行求解music谱。(Array array structure, based on a planar array to solve music )

用MATLAB写的，用Prim算法找出图中的最小支撑树，文件中有例子，有计算的结果，一看便懂。(Written in MATLAB, with the minimum support tree in the Prim algorithm to find a figure, file example, with the result of calculation, a see will understand.)

大地坐标变换，转换经度很高，修改正了反变换有0.6误差的错误。下载即可使用。(Geodetic coordinate transformation, the conversion of longitude is very high, change the inverse transform has 0.6 error. You can use to download. )

拉格朗日插值matlab程序，不是自带函数(laglangri matlab pro)

说明：  本程序能够实现对数字分向码产生的功能，使用方法请参照程序注释。(procedures to achieve the right digital code points to the functions, please refer to the use of procedural methods Notes.)

this paper helps to reduce speckle noise the ultrasound medical images.the accuracy of the image will be improved using different methods.