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笔者长期从事移动通信系统的无线链路调制与解调、物理层实现方面的工作。在移动通信GSM系统中，我们进行语音或者业务信道解调时，都会遇到CRC的求解。通常在硬件DS...
笔者长期从事移动通信系统的无线链路调制与解调、物理层实现方面的工作。在移动通信GSM系统中，我们进行语音或者业务信道解调时，都会遇到CRC的求解。通常在硬件DSP实现时，特别是40位CRC求解时候，由于生成多项式有41项，DSP最大一次能处理40位，所以使用单个寄存器会遇到一些困难，那么以下这个程序将会解决这一困难（这是针对定点DSP、C55xx的编程实现方法）。-The author has long been engaged in mobile communication system modulation and demodulation of wireless links, the physical layer to achieve work. GSM in the mobile communications system, we have a voice or channel demodulation operations, it will encounter the solution of CRC. DSP hardware usually realize, especially when solving the 40 CRC, as the generation polynomial has 41, DSP can handle the largest 40, so using a single register may encounter some difficulties, then following this process will solve this One difficulty (which is for fixed-point DSP, C55xx realize programming methods).
- 2022-06-18 05:18:56下载
- 积分：1
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密码编码和密码分析：原理与方法
密码编码和密码分析：原理与方法-encryption and password Analysis : Theory and Methods
- 2022-12-28 18:30:05下载
- 积分：1
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db22excel
this is a document to describe db2 excel
- 2014-08-07 14:05:12下载
- 积分：1
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windows2000以上自带的加密api
windows2000以上自带的加密api-dpapi的使用例子.-windows2000 above onboard encryption api- dpapi examples of the use.
- 2022-05-31 08:18:26下载
- 积分：1
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Vigenere实验
Vigenere实验-Vigenere
- 2022-01-21 05:37:35下载
- 积分：1
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关于数组排序的经典程序。
关于数组排序的经典程序。-Sorting an array of classical procedures.
- 2023-09-02 20:55:02下载
- 积分：1
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5
说明： 基于MD5的文件完整性检测程序，共包含4个文件：md5.h、md5.cpp、test.cpp、nankai.txt。编译：命令行模式下，切换到代码所在目录，输入make后回车即可。(The file integrity testing program based on MD5 contains 4 files: md5.h, md5.cpp, test.cpp, nankai.txt. Compile: In the command line mode, switch to the directory where the code is located, enter make, and press Enter.)
- 2020-06-22 10:17:11下载
- 积分：1
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pgpencrypt.rar
pgpencrypt.rar
- 2023-06-18 19:35:04下载
- 积分：1
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利用VC来实现一个简单的DES加密程序，他能完成DES算法的全部步骤，不过只能使用64位密码对64位明文进行加密...
利用VC来实现一个简单的DES加密程序，他能完成DES算法的全部步骤，不过只能使用64位密码对64位明文进行加密-VC to achieve a simple DES encryption program, he can finish all the DES algorithm steps, but only use 64 to 64 passwords expressly encryption
- 2022-03-02 17:29:33下载
- 积分：1
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NAME: gmfsk
VERSION: 0.6
RELEASE: 1
SUMMARY: Gnome MFSK, RTTY, THROB, PSK3...
NAME: gmfsk
VERSION: 0.6
RELEASE: 1
SUMMARY: Gnome MFSK, RTTY, THROB, PSK31, MT63 and HELLSCHREIBER terminal
DISTRIBUTION: OH2BNS
VENDOR: OH2BNS
LICENSE: GPL
PACKAGER: Tomi Manninen
GROUP: Applications/Communications
OS: linux
ARCH: i386
SOURCE RPM: gmfsk-0.6-1.src.rpm
DESCRIPTION:
gMFSK is a terminal program for MFSK, RTTY, THROB, PSK31, MT63
and HELLSCHREIBER.
-NAME: gmfsk
VERSION: 0.6
RELEASE: 1
SUMMARY: Gnome MFSK, RTTY, THROB, PSK31, MT63 and HELLSCHREIBER terminal
DISTRIBUTION: OH2BNS
VENDOR: OH2BNS
LICENSE: GPL
PACKAGER: Tomi Manninen
GROUP: Applications/Communications
OS: linux
ARCH: i386
SOURCE RPM: gmfsk-0.6-1.src.rpm
DESCRIPTION:
gMFSK is a terminal program for MFSK, RTTY, THROB, PSK31, MT63
and HELLSCHREIBER.
- 2023-08-21 12:00:04下载
- 积分：1
