dsp-project-final

secant method by davo

用MATLAB软件实现带通，低通，高通滤波器的窗函数的频率响应，观察频响特点(MATLAB software band-pass, low pass, high pass filter window function frequency response, the observed frequency response characteristics)

matlab下，用dspbuilder实现dds模块产生正弦波的源码(matlab under dds with the realization of dspbuilder generated sine wave source modules)

说明：  双门限算法，用于语音端点检测。可以通过调整门限值，并加入门限自适应算法，实现语音端点检测。(double door ,speech endpoint detection two games adjust itself)

图像质量的评估，方法SSIM，以全新的方法注解(image assesment)

matlab采用半色调技术对图像进行显示：用模板近似表示10个灰度级，每一个灰度级用3*3 的模板来表示，并对如下图所示的256*256的渐变图像进行半色调输出的检验。(matlab using halftoning image display: template approximated 10 gray levels, a gray level of each template used to represent the 3* 3, and the gradation of the image as shown in Figure 256* 256 halftone inspection of the output.)

MATLAB code for OFDM Transmission

用于恒虚警率检测的matlab代码，可以计算判决门限和判决结果，用于初学者掌握cfar算法(matlab code for CFAR detection)

说明：  这个是上海傲谱分析仪器有限公司整个火焰光度计系列仪器的介绍(This is to introduce the Shanghai Instrument Co., Ltd. proud of the entire spectrum analysis instrument flame photometer series)

说明：  室内定位时差定位算法。包括 chan算法，fang算法。功能是实现室内定位。在3到7个接收基站的基础上，获得较高精度的定位(Indoor location TDOA location algorithm. Including Chan algorithm and Fang algorithm. Function is to achieve indoor positioning. On the basis of 3 to 7 receiving base stations, high precision positioning can be achieved.)