11123_2

设计一个IIR数字低通滤波器， 逼近一组模拟滤波器的指标参数（通带截止频率Wp=2*pi*2000rad/s,阻带边界频率Ws=2*pi*3000rad/s,通带波纹 Rp=3db, 阻带衰减Rs=15db, 采样频率f=10000Hz）； 分别用脉冲响应不变法和双线性变换法实现设计，列出传递函数并描绘模拟和数字滤波器的幅频和相频响应曲线。用上述设计滤波器完成几组给定信号的滤波，证明滤波器的有效性和滤波范围限制.(Design a IIR digital low-pass filter, approaching a group of analog filters indicator parameters (pass-band cut-off frequency Wp = 2* pi* 2000rad/s, stop-band edge frequency Ws = 2* pi* 3000rad/s, pass-band ripple Rp = 3db, stop-band attenuation Rs = 15db, the sampling frequency f = 10000Hz) were used to change the impulse response method and bilinear transformation method for design, list and describe the transfer function of analog and digital filter amplitude-frequency and phase-frequency response curve. A filter was designed with the completion of the above-mentioned groups of a given signal filtering, to prove the effectiveness of filters and filter limit)

MATLAB simulation of group velocity dispersion in an optical fiber

用训练数据优化DPCM方法，对一个余弦信号数据进行标量量化。(we take optimize the training data DPCM method for the cosine signal data scalar quantization to get a wonderfull understanding.)

SIR (signal to interference) calculation given power matrix and association information. S/I for 1st interferer, 2nd interferer and all weak interferers combined are also calculated

PDC齿测量齿面和齿侧的点确定切削齿的空间位置(cylinder circle norm line)

matlab simulink的仿真教程(matlab simulink simulation tutorial)

Región Alcanzable para reactor cstr y pfr

说明：  对成型脉冲串进行中频调制，输出为复基带信号。还可通过各种自定义信道。(On the frequency modulated pulse train forming the output for the complex baseband signal. Can also be customized through various channels.)

Heritrix官方开发文档，crawler.archive.org/articles，提供了基本的类的开发介绍。((Heritrix official development documents, crawler.archive.org/articles, provides a basic introduction class development.))

it is a project of socket programming in linux . it was witten in c language . it has two parts client and server . clients can connect to server and use some services from server and server service client. client can be more than one but server just one.