linechazhi

脉冲编码调制（PCM，Pulse Code Modulation）是一种将模拟语音信号转换成数字信号的编码方式，从数学上来看，量化过程就是把一个连续幅度值的无限数集合映射成一个离散幅度值的有限数集合，编码就是用一组二进制数来表示这些映射后的有限数。 国际标准化的PCM采用折叠二进制码，符合长途电话质量。根据量化方法的不同，PCM 可分为均匀量化PCM 和对数PCM 两大类，对数PCM中，A律和μ律编码都已被定为国际标准。 本程序实现了A律、μ律以及均匀量化三种PCM，并带有GUI界面，方便使用。可以计算编码后的码率、运行时间以及最小均方误差。(Pulse Code Modulation (PCM, Pulse Code Modulation) is an analog voice signal into digital signal encoding, from the mathematical point of view, the process is to quantify the magnitude of the value of an infinite number of continuous mapping into a discrete set of the limited range of values number set, code is a set of binary digits, said after a limited number of these maps. By folding the International Standardization of PCM binary code, in line with long-distance telephone quality. According to the different quantitative methods, PCM can be divided into uniform quantization PCM PCM and the number of two categories, on the number of PCM, A law and μ-law code have been designated as international standards. A law implemented in this program, μ law and the uniform quantization of three PCM, with a GUI interface, easy to use. Encoded bit rate can be calculated, running time and minimum mean square error. )

The disparity map forms the basis of many computer vision techniques. A disparity map is effectively a limited 3D model

this code detect skin of human body and every thing that is same as it

Direct Sequence Spread Spectrum Receiver Rake Receiver

Subject of this thesis is elemental description of DVB digital television and digitalization process of its terrestrial transmission according to DVB-T standard. The thesis characterizes in detail RF transmission channels used for wireless distribute of television. These channels ale mathematically described and their effect to OFDM signal is simulated in the MATLAB environment.

Savitzky-Golay滤波算法的7阶二次平滑算法源代码(s-g arithmetic)

用matlab编写的目标跟踪程序，能实现单个目标的跟踪，需要自己选定跟踪目标。用matlab编写的目标跟踪程序，能实现单个目标的跟踪，需要自己选定跟踪目标。(Matlab prepared by the procedures to achieve a single target tracking, target tracking, target tracking needs to choose. Matlab prepared by the procedures to achieve a single target tracking, target tracking, target tracking needs to choose.)

用于现代信号分析与处理课程，作用是实现K-L变换和DCT变换。(For modern signal analysis and processing programs, the role is to achieve the KL transform and DCT.)

Integrator for second-order ODE s with very stringent error tolerances.

article about a dvr system