数据压缩技术

PPM是自适应统计数据压缩技术，基于上下文建模和预测。

PPM is an adaptive statistical data compression technique based on context modeling and prediction .

KLT不仅在数据压缩技术中占有重要地位，在语音增强领域中也有重要应用。

KLT is applied comprehensively in data compression technique and speech enhancement and so on .

基于B样条小波的电力系统故障录波信号的数据压缩技术

B-Spline Wavelet Based Data Compression Technology for Power System Fault Recorder

目前已有的XML数据压缩技术，都需要扫描数据多遍，或者不支持数据流之上的实时查询处理。

The existing methods on XML compression require the multi-pass scan on data or can not support real time query processing on compressed data .

所研究的心电监护系统应用了现场总线CAN总线技术、无线遥测技术、嵌入式Internet技术以及数据压缩技术。

Several techniques , CAN bus , embedded Internet , wireless remote measure and data condensation , are used in the centralized electrocardiogram monitor system in this paper .

数据压缩技术及过桥树法在MOSIC版图验证中的应用

The Application of Data Compaction Technique and Underpass Tree Method in Verification of MOS IC Layout

DCT（DiscreteCosineTransform离散余弦变换）是目前应用最为广泛的多媒体数据压缩技术之一。

The Discrete Cosine Transform ( DCT ) is one of the most widely used digital compression techniques for multimedia .

通过板上集成DSP芯片，采用预测编码和字典压缩等数据压缩技术，降低了系统数据传输量。

Secondly , data transmission becomes less by using forecasting code technology and dictionary compress technology , which are run by DSP on board .

Huffman数据压缩技术在卫星数据通信中的应用

Applied Huffman Data Compression to the Data Communication via Satellite

最后还使用数据压缩技术进一步减少在P2P系统中使用DBF技术的结点间通信代价。

Finally , data compression technology is adopted to further reduce communication overhead between peers within P2P system .

矢量量化（VQ）技术是近几年发展起来的一种高效数据压缩技术。

Vector quantization ( VQ ) is a high efficient data compressing technique .

DVB采用了高效数据压缩技术、数据传输技术及VLSI（超大规模集成）技术，使其成为越来越多国家所采用的标准。

DVB adopts efficient compress , data transportation and VLSI technologies , which makes the standard used by more and more countries .

其次，介绍了基于Android平台的移动学习系统的几个关键技术，包括AndroidUI技术，XML文档解析技术和数据压缩技术。

Secondly , the paper introduces some key technologies about M-Learning system based Android platform , such as Android UI technologies , XML document parsing technology and data compression technology .

另一方面，虽然XML具有许多优良的特性，但是由于XML是冗长的，在带宽和存储空间都非常有限的无线网络环境也要考虑XML数据压缩技术。

On the other hand , XML has a nature of redundance though it has many excellent characteristics . The compression techniques must also be considered in wireless network circumstance that has limit bandwith and storage space .

矢量量化（VQ）是一种高效的数据压缩技术，在语音编码领域得到了广泛应用。

Vector quantization is an efficient technology of compressing data and it is applied widely in the regions of speech singnals coding .

Landsat-TM光谱图像数据压缩技术的研究

A Research on Compression Technique of Landsat ( TM ) Image

在设计过程中，把QUEST法作为矢量观测数据压缩技术有效地结合进姿态估计器中，使得在多矢量观测情况下的滤波修正算法得到了简化。

In addition , the QUEST algorithm is efficiently combined with the attitude estimator as the compressing technique of multi vector observation information in order to simplify the update implementation .

数据压缩技术是SAR必备的关键技术，随着SAR分辨率、测绘带宽等性能指标的不断提高，SAR输出的数据率大大增加。

The data compression is an essential key technology of SAR . With the increasing improvement of performance index of SAR such as resolution and mapping bandwidth , its output data rate will be greatly increased .

论文主要介绍了Huffman数据压缩技术原理以及如何将其应用到海洋监测平台的卫星数据通信中。

The paper mainly introduces the theory of Huffman data compression and how to apply its technique to satellite data communication of ocean monitoring platforms .

为有效利用Walsh函数，本文引入数据压缩技术，减少了Walsh权函数的项数，且不会引起不可接受的网络误差。

To make use of Walsh function , the number of the coefficients of the Walsh weight function will decrease without causing unacceptable network error through the data compression technology .

261这种视频压缩算法以及编程实现的过程。本文首先从对视频数据压缩技术的分析中，得到压缩编码视频流的特点，并编程实现MPEG-4视频压缩编解码；

All the function depends on the four modules to realize . This thesis firstly induces the characteristics of compressed encoding video stream by analyzing video encoding technology , and writes programme implementing encoding & decoding function of MPEG-4 ;

随着数字通讯技术、多媒体数据压缩技术以及处理器技术的不断发展，集成视频播放，娱乐的便携式媒体播放器（PMP）必定成为未来媒体播放器的发展方向。

With the technology and development of communication , compression and processor technology , the portable media player integrated with video audio playing and entertainment must be the direction of the PMP in the future .

本文介绍了视频点播系统的基本概念和多媒体数据压缩技术与流媒体技术，并以自己参与开发的PLVOD系统为例，详细剖析了视频点播系统所涵盖的具体内容。

The article introduces the basic conception of the VOD system , and the multimedia digital compression and decompression technology , and the stream-media technology , and detailedly anatomy what the VOD covers by the " PL VOD " system partly developed by myself .

变长码作为一种最流行的数据压缩技术，已被许多数据压缩标准，如JPEG，MPEG-2和H.263等作为编码方法但由于解码过程中的循环依赖性，限制了解码吞吐率。

Variable-length code ( VLC ) is the most popular data-compression technique , which has been used in many data compression standards , such as JPEG , MPEG-2 , and H.263 . The recursive iteration of the decoding process limits the achievable decoding throughput .

随着MPEG-2多媒体数据压缩技术的开发和广泛应用，MPEG协议分析已经成为现代电视系统运行、设备开发的基本检测手段，同时也是数字电视系统质量监测的有效方法。

With the development and wide application of MPEG-2 multi-media data compression technology , MPEG analysis has become the basic testing methods of modern TV system operation and equipment development , at the same time being the efficient methods of quality supervision of the digital TV system .

分析了目前数据压缩技术中最常用的LZW算法，并针对压缩字典的建立过程和字典填满老化后如何更新处理提出了新的设想。

Analyses the LZW algorithm common used in the area of lossless data compression technique . A new idea is presented to handle the creation of compressed dictionary and to renew the dictionary which is filled up and olden .

面向无线传感器网络的流数据压缩技术

Study on Compression Technique for Streaming Data in Wireless Sensor Networks

多光谱图像数据压缩技术的发展与现状

Developments and Recent Trends in the Compression of Multispectral Imagery

数据压缩技术在实时数据库中的应用研究

Research on application of data compression technology in real-time database

多媒体通信中的网络通信平台及数据压缩技术

The network communication platform and data compress technology of the multimedia communication