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design LP,HP,B S digital Butterworth and Chebyshev filter. All array has been specified internally,so user only need to input f1,f2,f3,f4,fs(in hz), alpha1,alpha2(in db) and iband (to specify the type of to design). This program output hk(z)=bk(z)/ak(z),k=1,2,..., ksection and the freq.

利用VB开发通信程序主要的方法有两种，一是利用VB本身提供的控件（CONTRALS），另一种方法是利用WINDOWS API应用程序接口，WINDOWS API 主要提供了三个动态连接库KERNEL.EXE、USER.EXE、GDI.EXE供开发人员调用

A one-dimensional calibration object consists of three or more collinear points with known relative positions. It is generally believed that a camera can be calibrated only when a 1D calibration object is in planar motion or rotates around a &macr xed point. In this paper, it is proved that when a m ...

可进行开户，存款，取款以及查询余额的操作，并动态的调节利率的大小。 或以一般用户的身份（user）登录，进行自身密码的修改，业务的办理。

It can also accept a number of ftp connection (multithreaded), and with most of the commercial ftp server functions. Server supports all basic ftp orders and to provide a simple user interface management, virtual directory support. This article comes from shrimp o

邮件系统是Linux网络应用的重要组成，一个完整的邮件系统包括三个部分：底层操作系统（Linux Operation），邮件传送代理（Mail Transport Agent，MTA），邮件分发代理（Mail Delivery Agent，MDA），邮件用户代理（Mail User Agent，MUA）。 Postfix是一个非常优秀的MTA，她素以高效、安全的特点而著称。Postfix是作者在U ...

FLASH文件系统的源码，Flash memory is a nonvolatile memory, which allows the user to electrically program (write) and erase information. The exponential growth of flash memory has made this technology an indispensable part of hundreds of millions of electronic devices. Flash memory has several ...

As a result of additional product testing and evaluation, some specifications published in the S3C2440A User s Manual, Revision 0.01, have been changed. These changes are described in detail in the Revision Descriptions section below.

Contents * Introduction * Installation * SmartPool 1.5 * Features from earlier releases * Features expected in future releases * System Requirements * User Documentation * Source * Java Doc

Linux in a Nutshell, 5th Edition By Stephen Figgins, Robert Love, Arnold Robbins, Ellen Siever, Aaron Weber ... ... ... ... ... ... ... ..... Publisher: O Reilly Pub Date: July 2005 ISBN: 0-596-00930-5 Pages: 944 Over the last few years, Linux has grown both as an operating system and a tool ...