image-enhancement

换能器散射回波信号声强预测，可自拟发射和接收换能器的类型及指向性，海底散射强度，得到不同条件下的散射回波信号声强(Transducer scattering echo sound intensity forecasts can be self-transmitting and receiving transducers of the type and point to the seabed scattering intensity, obtained under different conditions of scattering echo signal sound intensity)

it is fcm kidney segmentation

dafx required for many files

利用firpmord和firpm函数设计双带通滤波器，其指标为，第一带通指标：f =4kHz,f =5 kHz ,f =3.6 kHz ,f =5.4 kHz 第二带通指标：f =6kHz,f =7 kHz ,f =5.6 kHz ,f =7.4 kHz 通带衰耗A <3dB，阻带衰耗A >40dB，抽样频率f =20kHz。(Double belt pass filter using firpmord and firpm function design, for its indicators, through the first area index: f = 4 kHz, f = 5 kHz, f = 3.6 kHz, f = 5.4 kHz The second bandpass indicators: f = 6 kHz, f = 7 kHz, f = 5.6 kHz, f = 7.4 kHz Pass band attenuation A < 3 db, stop-band attenuation A > 40 db, f = 20 KHZ sampling frequency.)

用MATLAB分别采用浮点编码和二进制编码方法，求函数最大值的程序。(were used with MATLAB floating-point code and binary coding method, the maximum function for the procedure.)

准正交空时分组码仿真程序，是在matlab上运行的(Quasi-orthogonal space time block code simulation program)

机加工自由曲面，由matlab生成设计曲面和设计刀具轨迹（此例为加工椭球面）(Freeform surface machining, surface generated by the matlab design and design tool path (in this case for the processing of the ellipsoid))

小波三种阈值去噪的方法，硬阈值，软阈值，半软阈值去噪(Three kinds of wavelet thresholding methods, hard threshold, soft threshold, semi-soft thresholding)

基于LQR方法的曲线航向跟踪，输入为圆形轨迹，输出为左右推进器控制命令(Based heading LQR method of tracking, enter the desired heading, the output is about propulsion control commands)

运用谱减法，对语音信号进行去噪处理并比较处理前后的信噪比(Using spectral subtraction to denoise the speech signal and compare the signal to noise ratio before and after processing)