基于该积分器及对数压缩电路和指数扩展电路，系统地给出了高阶滤波器设计的无源网络模拟方法。
Based on this integrator, log compressing and exponential expanding circuit, a passive simulation method for higher order filters is given systematically.
管理员可以通过运行带有归档选项(-a或- a)的压缩任务来对数据库进行归档。
Administrators can archive databases by running the compact task with the archiving option (-a or a "a)."
如果您已经对数据进行压缩，那么可以看一看TIFFWriteRawStrip。
IF you have already compressed data, then have a look at the TIFFWriteRawStrip instead.
由于压缩的Gnumeric文件是纯xML文件，用一个基本的文本编辑器就可以对数据的结构有一个大概的了解。
Because the uncompressed Gnumeric file is pure XML, you can get an idea of the structure of the data with a basic text editor.
由于数据分散的原因，当Fours quare试图增加一个分区时没有成功，需要数据库离线才能对数据进行压缩。这也导致了系统宕机时间的延长。
The system outage was prolonged when an attempt to add a partition didn't work due to fragmentation, and required taking the database offline to compact it.
在对数据进行压缩的同时，也极大地改善了数据库系统的性能。
When compressing the data, it can also greatly improve the performance of the DB system .
据此，提出新颖的数据压缩方案，即伪对数表达方法，来降低测量数据的存储空间，从而缓减通信压力。
This paper gives a new data compression scheme, namely quasi-logarithmic data expression, to reduce the data storage space, so as to lessen communication rooms.
对所采集的雷达数据按不同的量化比特进行了压缩实验，并对数据的压缩性能作了分析。
The radar data compression experiment is conducted with the different quantification bit number, and the compression performance is analyzed.
结果表明：冰厚和冰速分别服从对数正态分布和瑞利分布，海冰压缩强度服从正态分布。
It is shown that the ice thickness and the ice velocity satisfy with Lognormal distribution and Rayleigh distribution respectively, and that the ice compression strength obeys normal distribution.
视频通信中压缩编码技术对数据失真非常敏感，视频数据的任何失真，对视频质量都将产生重要的影响。
Compression Coding technology in the video communication is very sensitive to data distortion. Any distorted video datum will have an important influence on the quality of the videos.
实验结果表明该算法对数字音频信号的滤波、有损压缩、重新采样等操作具有很强的稳健性。
The experimental results show that the algorithm is robust to many operations on digital audio signal, such as filter, lossy compression, and so on.
本文首先对数字音视频的各种压缩标准进行比较和分析，最终选取了MPEG-4作为视频监控系统的视频压缩方案。
This text compares and analyses various kinds of compression standards of the digital audio and video at first, has chosen MPEG-4 compressed scheme as the video of monitoring system of video finally.
针对数据流上近似查询中的梗概计算，提出了一种新的基于最小误差的维压缩小波变换算法(MEDC)。
Aiming at synopsis computation of approximate query in data stream, a novel wavelet transformation algorithm, Minimum Error based Dimension Compression (MEDC) algorithm, is proposed in this paper.
基于对传统行程编码方法的分析可知，必须对其进行一定改进才能保证对数据的有效压缩，改进后的编码方法可称为简单有损行程编码。
Based on the analysis of run-length encoding method, it must be improved to ensure effectively compression for data. The improved method is called Simple Loss RLE method.
本文首先对数字图像压缩的必要性和可行性进行了分析，并对传统压缩编码方法进行了比较和综述。
This paper analyzes the necessity and feasibility for images compression at first, and then makes a comparison and summarization for the traditional compression methods.
通过采用对数极坐标映射，可将空间均匀取样得到的图像变换成非均匀取样的图像，从而减小冗余像素，压缩了搜索空间。
An uniform sampling image can be transformed to a space variant sampling image by log-polar coordinate mapping which reduces the searching space and redundant pixels.
同时，无线传感器网络是一种大规模分布式的自组织网络，网络拓扑控制对数据压缩算法影响很大。
Meanwhile, network topology control has a significant impact on the data compression algorithm in the wireless sensor network, which is large-scale, distributed and self-organizing.
对数据的压缩性预处理降低了对通信带宽的要求，减少了能量消耗，降低了对单个传感器的性能要求和造价。
Compressing the data reduced the bandwidth need of communication, decreased the energy consuming, reduced the detection performance require and the price of sensor nodes.
在这两种需求的推动下，对数据压缩的需求产生了。
With the promotion of both demands, the need for data compression and decompression is generated.
物理实验中经常需要采集大量的实时数据，通过对数据的压缩可以节省宝贵的存储资源。
Physical experiments often involve large amount of data acquisition. In some circumstances, data compression is highly required to save the precious storage media.
结果表明以极对数映射作预处理器压缩比高。
Results show highter compnaion ratio were obtained using polar-log cooulinatemappmg as preprocessor.
二维和三维地震勘探数据中存在的相邻数据的相关性为数据压缩提供了可能，而远程勘探数据的传输又有对数据进行压缩的要求。
Correlation among contiguous data of 2d or 3d seismic exploration provides possibility for the data compression, which is necessary in transmission for long distance seismic exploration.
程序的主要功能是利用哈夫曼编码对数据进行无损压缩，实现Huffman压缩的编码器和译码器。
The main functions of the procedure is to use Huffman coding lossless compression of data to achieve Huffman compression encoder and decoder.
而如果没有数据相关度理论对数据进行预处理判断是否缺陷，功率谱特定频段数据保存法的压缩能力还是极其有限。
And if not using data correlation coefficient theory to determine whether there is defect in pipe, only using PSD particular frequency band storing method, the compression rate is extremely limited.
而如果没有数据相关度理论对数据进行预处理判断是否缺陷，功率谱特定频段数据保存法的压缩能力还是极其有限。
And if not using data correlation coefficient theory to determine whether there is defect in pipe, only using PSD particular frequency band storing method, the compression rate is extremely limited.
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