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能实现增加，搜索，删除，计数的学生通讯录（本科C++课程设计）(To achieve increase, search, delete, count the student address book (undergraduate C++ curriculum design))

this is the library to compress and decompress any file. I found it on Net

说明：  对控制台窗口操作进行抖动，通过窗口句柄找到控制台窗口，通过快速移动窗口位置实现抖动效果(The operation of the console window is jittered, the console window is found by the window handle, and the jitter effect is achieved by moving the window position quickly.)

求解符号三角形问题.给定一行符号(比如+和-),按照同号为+异号为-的原则计算第二行直至下面的行,最后的一行只有一个符号,要求统计各个符号的个数.(Problem solving triangle symbols. Given his symbols (such as+ And-), in accordance with the same number is+ Different number- the principle of calculation of the second line until the following line, the last line there is only one symbol, all symbols requested statistics number.)

说明：  The physical layer of WCDMA is explained in detail. The downlink physical channel structure, uplink physical channel structure and timing relationship between channels are described in detail.

我在上个世纪写的一个批量修改文件时间属性的精致实用小程序，在Windows下可用（开发环境：DOS,BC3.1）。 (I write in the last century, a batch of time to modify the file property of the exquisite small practical procedures can be used under Windows [Development Environment: DOS, BC3.1].)

通信录源程序。调试环境为TC2.0或者3.0。运行这个程序需要tc提供的几个头文件。(Example source address book, or 3.0 debugging environment for TC2.0. Tc run the program needs to provide several header files. )

说明：  用冲激响应不变法和双线性变换法设计IIR的MATLAB程序(Design of MATLAB Program for IIR by Impulse response Invariant method and Bilinear Transformation method)

说明：  通信原理实验指导书,包括全部通信原理章节,原理分析,硬件解释,编程指导等(The communication principle experiment instruction book, including all the communication principle chapter, the principle analysis, the hardware explanation, the programming instruction and so on)

模拟电信计费系统的设计与实现 要求：（1） 计费功能。根据存放在源数据文件中的通话记录和长途费率文件对每一条通话记录计算其通话费用，并将结果保存在费用文件中。其中： 通话费的计算方法如下： 通话费＝长途电话费＋本地电话费 长途电话费＝费率（元/分钟）×通话时长（分钟） (通话时长不满1分钟的按1分钟计算) 本地电话费为：3分钟以内0.5元，以后每3分钟递增0.2元。 （2） 话费查询。输入一个电话号码，从费用文件中统计该电话号码的所有本地话费、长途话费，并从用户文件中查找其用户名，最后在屏幕上显示： 用户名 电话号码 本地话费 长途话费 话费总计 （3） 话单查询。输入一个电话号码，查询并在屏幕显示该用户的所有通话记录，格式为： 用户名 主叫电话号码 被叫电话号码 通话时长 (Design and implementation of simulation of telecommunication billing system Requirements: (1) the charging function. According to the calculation of the call charges stored in the source data file in the call records and the long rate documents for each call record, and save the results in cost file. Among them: The following conversation method to calculate the fee: Long distance telephone calls =+ local telephone fee Long distance telephone fee = rate (yuan/minute)* call time (minutes) (call time less than 1 minutes to 1 minutes) Local call: 3 minutes 0.5 yuan, increasing 0.2 yuan every 3 minutes later. (2) calls inquiries. Enter a phone number, all local calls, long-distance calls statistics the phone number from the cost in the file, and find the user name from user file, and finally displayed on the screen: The user name phone number local calls long distance charges charges totaling (3) if a single query. Enter a phone number, query and display all the call records of th)