ratio estimation

application of stratified ratio estimation in statistics of lab sewage quantity

分层抽样法在实验室废液量统计中的应用

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The variation of water-cut and cumulative water-oil ratio with the per-centage of recoverable reserves exploited are studied, according to the result of recovery factors of water-flooded sandstone reservoirs exploited in our country by a specified procedure of estimation.

根据我国水驱砂岩油田采收率的标定结果，研究了我国水驱砂岩油田含水率与累积水油比随可采储量采出程度的变化关系。

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the paper discusses the ratio estimation with systematic pps sampling and simulates the model with the data of the first agricultural census in china on the base of introduction of the ratio estimation with simple random sampling.

本文在介绍简单随机抽样比估计的基础上，对PPS抽样设计的比估计进行了系统的研究，并使用了第一次农业普查数据对方法进行了模拟。

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The primary use of the zigzag machine is to applique lace, attach elastic, and provide a decorative finish for the edges or tricot knits. The Estimation for Yarn Consumption Ratio in the Technological Design of Weft knitted Reversible Jacquard Fabric

这种机器主要是用来装蕾丝花边、缝松紧带或给精编织物的边提供一个装饰的效果。纬编双面提花织物工艺设计中的用纱比估算

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Through adjusting the dimension of VSW in W-LSB encoding ( a key parameter in header compressor) with the accurate estimation of wireless channel state, this new algorithm can achieve a good balance of compression ratio and error-resistant robustness for its adaptive usage over wireless links.

该算法通过对无线信道状态的精确估计来调节报头压缩器中W-LSB编码的可变滑动窗口的大小，在压缩率和抗差错健壮性之间能够实现好的平衡，并适应特性经常变化的无线链路。

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This paper focuses on the link-level loss ratio estimation based on end-to-end measurements.

论文着重研究基于端到端测量的链路级丢包率的推测。

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In the paper it is shown that in isotropical noise field acoustic energy flux is maximum likelihood ratio detector, its direction is maximum likelihood estimation of source direction.

本文证明在各向同性噪声场中声能流是最大似然比检测量，声能流方向是声源方位的最大似然估计；

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Motion estimation is one of the most important part of motion compensation/ DCT based hybrid video coding standards which lead to high compression ratio by efficiently reducing temporal redundancy between adjacent frames of video sequence.

运动估计是基于运动补偿/DCT混合编码方法的重要组成部分，运动估计与补偿技术可以有效地去除视频序列相邻帧间存在的时间冗余，极大地提高了编码效率。

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Multi-Wheels Fitting Control of a Lunar Rover with On-Line Slip Ratio Estimation

基于滑转率在线估计的月面巡视探测器多轮协调控制

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A simple method of estimation of the dilution ratio in bod_5 determination

生化需氧量（BOD5）测定中稀释倍数的简捷确定法

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Estimation of Three Dimension Image Noise for Time and Space Domain and Singal to Noise Ratio

时空域三维结构图象噪声及信噪比测试

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the ratio estimation of per personal health expenditure of shaanxi province in 2007 was 540 yuan.

陕西省2007年人均卫生支出，回归估计为540元。

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Energy spectrum parameters, relative content of uranium K7, ratio of thorium to uranium K8. Then synthesis estimation is carried out and the criterion of determining reservoir types is established used them in formation distinguishing and reservoir identifying.

能谱测井特征参数（包括铀相对含量K7、钍铀比K8等），并进行了综合评判，确定出划分储层类别的标准。

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ratio estimation which is a kind of estimation using auxiliary variable is a nonlinear estimation.

比估计就是利用辅助信息的一种估计，它是非线性的估计。

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Improving the Ratio Estimation through Linear Transformation Using Auxiliary Variable

通过对辅助变量的线性转化来改进比率估计

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The Fourier transform of the combined of acoustic pressure and particle velocity is cross-spectral. The ratio of the intensity of cross-spectral can be used in target bearing estimation.

P-V声强的傅里叶变换即为互谱，互谱强度比值可用于目标方位估计。

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