Analysis and Improvement to Algorithm of SHA-1

Bloom Filter is an excellent data structure, which can succinctly represent a data set in order to support membership queries. It is widely used in databases, networks and distributed system.

Bloom filter哈希算法采用位向量来存储数据集合，能有效支持元素的哈希查找，是一种能够简洁地表示数据集合并支持集合查询的索引结构，广泛应用于数据库、网络和分布式系统中。

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Division Bloom Filter increases the number of the hash functions with no impact on the fill rate of the bit vectors, and thus it can reduce the false positive rate.

分片Bloom filter哈希算法采用了由多个位向量构成的哈希表，增加了哈希函数的个数但对位向量的填充率没有影响，所以减少了查询的假通过率。

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Source code is compiled into assemblies and placed in the bin directory, with names that are derived from a hashing algorithm.

源代码编译到程序集中，且放置在bin目录中，其名称派生于哈希算法。

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Additionally, the chaos system obviously enhances the security. ( 2) An image Hashing algorithm based on lifting wavelet transform and BP neural network is presented.

提出了一种基于提升小波变换和反向（BP）神经网络的图像哈希算法。

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The MD5 algorithm is the de facto hashing standard for digests.

MD5算法是事实上的标准摘要哈希算法。

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The reason might be that you've increased the cost parameter, or that a new PHP release changes behind the scenes to a different hash algorithm.

如果不匹配，原因可能是，您增加了cost参数，或者一个新的PHP版本在幕后更改为一种不同的哈希算法。

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The paper design and implement an web-based anti-phishing system on the basis of weight value 、 minimum hamming distance in string 、 image similarity judgment based on hash algorithm.

结合权重分析、字符串最小汉明距离、基于感知哈希算法的图片相似度判断等技术，设计并实现了基于web系统的反网络钓鱼系统。

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Built a 8-8-8-8 routing table data structure and improve the IP lookup with hash technique.

构造一个8-8-8-8路由表的数据结构，并采用哈希算法来改进IP地址查找。

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A Hash Algorithm for IP Flow Measurement

面向IP流测量的哈希算法研究

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A hash technique to improve IP address lookup

采用哈希算法改进IP地址查找的研究

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Web Intrusion Detection Systems Based on Hash Algorithm

基于哈希算法的Web入侵检测系统

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Meanwhile, I designed a simple video playback software for H.263 video.

同时，针对H.263视频解码算法设计了一款简易视频回放软件，对H.263视频进行回放。

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Optimization of MPEG-2 audio decoding algorithm

MPEG-2音频解码算法优化

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A Study on the Questions of Trellis-coded Modulation Based MDP Decoding Algorithm

基于MDP解码算法的Trellis编码调制问题研究

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Several aspects are included in the thesis: 1. Analysis and compare with several general RS encode and decode algorithm.

对通用的RS编解码算法进行了分析和比较。

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Its advanced memory management mechanism and multiple DMA channels can achieve high-performance MPEG-4 video decoding algorithm.

它的先进的内存管理机制和多种DMA通道可以实现高性能的MPEG-4视频解码算法。

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Through careful studying the log-MAP algorithm, some modifications are made to fit in with Gaussian channel, flat Rayleigh fading channel and the MQAM modulation technique.

本文在高斯信道和瑞利平坦衰落信道条件下对对数域最大后验概率（log MAP）解码算法进行了研究和修改，使之适合这2种信道和高阶调制方案。

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Efficient coding and decoding algorithm based on generalized Huffman tree

基于广义规范Huffman树的高效编解码算法

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The Real-time Arithmetic and Realization of Encoding and Decoding of DGPS's RTCM Data

GPS差分RTCM数据实时编码解码算法及实现

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Fast Image Encoding and Decoding Algorithm Based on IFS Theory

基于IFS理论的快速图象编码和解码算法

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