Compared with ordinary quadtree, it has some advantages including a high rate of compression and a direct representation.
与常规四叉树结构比较，该方法具有压缩率高、表达直接等优点。
Our study finds out that the compensatory system of relevant frame throwing frame can enhance the rate of compression and improve the quality of image transmitted by the lowest code rate.
研究发现，基于空域运动补偿小波视频编码的相关帧丢帧补偿机制可以在很大程度上降低码率，提高压缩比，改善图像在极低码率传输中的质量。
With out six combo boxes, we opted to allow the configuration of the video resolution, framerate and bitrate, as well as the audio sample rate and the compression bitrate.
借助这5个组合框，我们选择支持如下配置：视频的分辨率、帧率和比特率，以及视频的采样率和压缩比特率。
What is of genuine interest is that I have also improved the compression rate of the already wonderful bzip2 by 11%.
我真正的兴趣在于我已经将这个已经相当好的 bzip2压缩率改进了 11％。
Interframe prediction is key to video compression and can effectively eliminate the time redundancy of video coding, reduce coding rate and enhance coding efficiency.
帧间预测是视频压缩的关键技术之一，能有效消除视频编码中的时间冗余，降低编码码率，提高编码效率。
Modern tape drives have built-in hardware data compression that can significantly increase the effective transfer rate of data to the drive.
如今的磁带机有内置的硬件数据压缩，可显著提高将数据传送到驱动器的有效传送速率。
While the equivalent strain rate is high, this influence is of importance and the compression process can be approximately considered as an adiabatic process.
当等效应变速率较大时，变形热效应对流动应力的影响相当显著，压缩过程基本上成为绝热过程。
By experimental simulation and test result of a certain radar recording meter, it shows that this algorithm has a higher compression rate and a better quality of signal recovery.
实验仿真和某型雷达记录仪测试结果表明，该算法具有较好的压缩比率及较高的信号恢复质量。
Due to high potential relativity of DCT coefficients and big compression performance of fractal, high compression rate of video data can be realized.
由于频域中dct系数的强相关性和分形的高压缩性能，能够实现视频数据的高压缩。
The relationship between temperature, carbon loss rate and compression strength of coke in the lumpish section of blast furnace was investigated.
重点研究焦炭在高炉块状带内的抗压强度与温度和反应程度的关系。
Some graphic software programs allow you to set the compression rate to control the quality of the image (and file size) at the time you save it.
有的图像软件程序允许你设置压缩率，在你保存图像的时候，能够控制图像的质量（和文件的大小）。
This paper presents a theoretical analysis about the propagation rule of the micro-crack in brittle materials under axial compression, based on the energy release rate criterion.
本文利用混合型裂纹扩展的能量释放率理论对脆性材料受轴向压缩时其内部微观裂纹的扩展规律进行了研究。
The main target of video compression code is to limit the distortion of code under the condition of restricted rate.
视频压缩编码的主要目标就是在比特率受限条件下，尽量使编码失真最小。
During the isothermal constant strain rate compression process, the effect of deformation heating on flow stress increases with increasing equivalent strain rate.
在等温恒应变速率压缩过程中，随着等效应变速率的增大，变形热效应对流动应力的影响程度增大。
So the composite has sensitivity of strain rate during compression in semi-solid interval.
复合材料在半固态区间压缩时具有应变速率敏感性。
Practical application indicate, sow on the basis of MPEG-4 standard and IP multicast system of technology have in high compression rate, high network width utilization ratio, etc. characteristic.
实际应用表明，基于MPEG - 4标准和ip组播技术的系统具有更高的压缩率、更高的网络带宽利用率等特点。
A dynamic rate allocation method is presented which is based on the compression rate of image source coder, channel rate, channel characters and their influence on the distortion of progressive image.
该文根据信源编码压缩比、信道码率及信道特征对渐进图像传输失真的影响，提出一种基于最小图像失真的动态码率分配策略。
There is certain connection between the compression rate of image and the distortion rate of image reconstruction.
指出了图像的压缩率与重构图像的失真率存在一定的关联。
It has advantages of high compression rate, high compression speed, unchangeable signal and image characteristics after compression, and anti-interference under transmitting.
它的特点是压缩比高，压缩速度快，压缩后能保持信号与图像的特征不变，且在传递中可以抗干扰。
Results The rate of successful hemostasis achieved by tourniquet and HA spray was 90%, 30% by finger compression and HA spray, and only 10% by direct HA spray.
结果止血带组的止血成功率为90%，指压法组的止血成功率30%，单纯喷止血气雾剂的止血成功率为10%。
The essence of speech compression is to reduce the rate of digital voice in the case of assuring the quality of voice, therefore reducing the bandwidth occupied by speech signal.
语音压缩的实质就是在保证语音质量的情况下，降低数字化语音的数码率，从而减少数字化语音信号所占用的带宽。
Currently compression methods with higher compression ratio and lower bit rate become the hot spot in the area of image encoding.
目前高压缩比低码率的压缩方法成为图象编码领域的研究热点。
So it is necessary to further study the characteristics of video and compression mechanism deeply and to achieve live transmission of videos at very low bit rate.
因此，有必要继续深入研究视频图像的特点与压缩机理，以实现甚低比特率下视频图像实时传输的目标。
The effect by pre-plug compression rate on formation of the cavity was investigated in a comparative method with step-down test samples of HCC billet and rolled bloom respectively.
用塔形试样对比研究了水平连铸管坯和轧制管坯穿孔时顶头前压缩率对孔腔形成的影响。
It briefly introduced the texture profile analysis (TPA). And the TPA test was used in apple slices to investigate the influence of deformation rate and degree of compression on TPA test results.
简要介绍了TPA质地分析方法，并对苹果片进行TPA测试，研究压缩速率和压缩程度对测试结果的影响。
High quality, low bit rate image compression method is one of the key technologies to develop downhole video logging instrument.
高清晰度，低比特率的图像压缩技术是研究井下电视的关键技术之一。
The computation burden of the quadrature sampling and pulse compression is huge when the data rate is high and the time bandwidth product is not small.
在高数据采样率，特别是大时宽带宽积条件下，时域的数字正交采样和脉冲压缩包含大量的乘加运算。
Based on the isothermal constant strain-rate compression tests, the flow stress of a ultra high strength aluminum alloy was researched.
采用等温恒应变速率压缩试验对超高强度铝合金的流动应力规律进行了研究。
The digital image has huge data information, so the algorithm which has high compression ratio and high fidelity rate is urgently needed, taking account of storage cost and communication.
由于数字图像具有数据量大的特点，出于对图像存储成本和图像通信的考虑，良好的图像压缩技术要能够实现高压缩率和高保真率。
The digital image has huge data information, so the algorithm which has high compression ratio and high fidelity rate is urgently needed, taking account of storage cost and communication.
由于数字图像具有数据量大的特点，出于对图像存储成本和图像通信的考虑，良好的图像压缩技术要能够实现高压缩率和高保真率。
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