multiple_images

说明：  watterson信道模型，包含四种模型，有3径和4径两类(watterson channel model, including the four models, there are two types of 3 tracks and 4 tracks)

针对非线性目标的扩展卡尔曼滤波matlab仿真实现(Extended Kalman filter algorithm matlab simulation )

基于传递函数模型的PID控制matlab代码(PID control based on the transfer function model matlab code)

仿真高强度聚焦超声（HIFU）治疗生物组织温度场的二维分布情况(simulate the High intensity focused ultrasound (HIFU) in treatment of two-dimensional distribution of temperature field in biological tissue)

算法是基于均匀线阵的DOA方法，包括MUSIC算法和ESPRIT算法！(MUSIC DOA and ESPRIT DOA based on ULA)

代码中描述了用星座图扩展法（Active Constellation Extension，ACE）降低OFDM时域信号的PAPR，ACE的具体算法是凸集映射（Projection Onto Convex Sets，POCS）(These codes describe PAPR reduction using Active Constellation Extension (ACE). The detailed algorithm is Projection Onto Convex Sets (POCS）)

在多个特征中选取敏感特征，可以降低特征集的维数，提高分类准确率(Select the sensitive feature in multiple characteristics, can reduce the dimension of feature set, improving the classification accuracy )

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)

对称阵子的方向系数D随臂电长度的变化图，该图为二维的。(Stream of the direction of symmetry coefficient D changes with the electrical length of arm map, the picture shows the two-dimensional.)

基于MATLAB的FIR数字滤波器设计基于MATLAB的FIR数字滤波器设计(MATLAB-based FIR digital filter design is based on MATLAB for FIR digital filter design)