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This algorithm can estimate carrier frequency, and rate of the PN code, eliminate the effect of noise using the second order cyclic stationary characteristic without a prior knowledge.

该算法在先验知识缺乏的情况下，充分利用直扩信号的二阶循环平稳特性，排除噪声干扰，对载频和码速率进行估计。

Several important relations are studied between the girth condition and the ACE (approximated cycle extrinsic message degree) spectrum of the QC-LDPC (quasi-cyclic low-density parity-check) codes, where the PCM (parity-check matrices) are defined by the base-matrix and expanded by the cyclic permutation matrices.

研究了基于置换阵的QC-LDPC码圈长分布、ACE分布与对应的基矩阵结构之间的关系。

Introduced a cyclic redundancy check code for error control principle and algorithm.

介绍了循环冗余校验码的差错控制原理及其算法实现。

In the paper, we give the method of checking form based on module 2 by searching the 16 bits Cyclic Redundancy Check Code .

本文研究了16位的循环冗余校验码CRC-CCITT在数据通信中的应用，给出了基于模2运算的查表法，实验证明：在保证了系统通信可靠性的基础上，大大提高了计算速度。

The program based on SPITH I cut from the cyclic redundancy check code, running success!

本程序实现了基于SPITH的自删余循环冗余校验码，运行成功！

In terms of the HDLC frame structure and the theory of cyclic redundancy check, the implementation of the modules, constructing and deconstructing HDLC protocol frame, producing and checking the CRC code, and adopting the FPGA new technology were discussed.

为了控制器与微波设备之间数据的可靠传输，根据HDLC协议的帧结构和循环冗余校验原理，提出了一种新型的基于并行机制的HDLC协议控制器，讨论采用FPGA新技术实现HDLC协议帧的构成、解析模块及其内部的CRC码生成、检验模块的方法。

It also gave a example of (16,11) Hanming Cyclic code.

给出了（16，11）扩展汉民循环码一个实例。

In this article it is also discussed how to realize the method of expended hamming cyclic code with software.

本文还讨论了扩展汉民循环码的软件实现方法。

Data structure c language program for learning algorithm and dat...

数据结构c语言程序，对于学习数据结构和算法很有帮助的源码程序。

ALL data format ; data package ; identifier ; analytics

ALL格式；数据包；标识码；解析

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。