评价参数

分析了SAR原始数据统计特性，给出了常用的性能评价参数。

Then , the statistical characteristics of SAR raw data are analyzed , and performance evaluation parameters in common use are introduced .

基于本文归纳的评价参数，评价了现有IP组播模型的相关协议，总结了其不足之处。

Based on the evaluation parameters summarized by this dissertation , the protocols related to current IP multicast models are evaluated . The limitations and deficiencies of the current protocols are summarized .

针对压裂后压力递减资料分析技术，提出了一种新的数学拟合方法，并研制了一套Windows环境下的解释软件、应用该软件可以获得压裂后的有关评价参数。

This paper introduces a new mathematical fitting method and develops a set of computer software for Windows , by which we can obtain the relevant parameters for post-fracturing evaluation .

针对图像载体，着重研究了空域（奇异值分解）和变换域（DCT）基于系数关系的的半脆弱数字水印技术，在此运用大量试验和评价参数分析算法有效性，从而有效抵抗恶意篡改。

With the image carrier , focused on airspace ( SVD ) and transform domain ( DCT ) coefficients based on the relationship between the semi-fragile digital watermarking technologies .

分析了多阶段任务系统（PMS）及任务可靠度、可信度和任务效能等任务持续能力评价参数。

Phased-Mission System ( PMS ) and its mission sustainability evaluating parameters which include mission reliability , dependability and mission effectiveness are analyzed .

XF油田长（6-8）地层测井定量评价参数的选取及模型的建立

Parameter Selection and Model Establishment for Reservoir Quantitative Evaluation with Well Logging Information in Chang 6-8 Formation , XF Oilfield

并相应地建议采用点蚀电位Eb作为评价参数，推荐评价判据为点蚀电位限1.0V（SCE），下偏差0.1V。

It is proposed that the pitting potential E b can be used as a criterion and its lower limit could be 0.9V ( SCE ) for this system .

以二阶矩束宽和远场发散角作为评价参数研究了non-Kolmogorov湍流对光束展宽的影响。

We used the relative beam width and relative spreading angular to describe the effect of non-Kolmogorov turbulence on the beam spreading .

本文对符号时间序列方法进行了说明，使用此方法分析两种汽油发动机瞬态排放中的HC和CO，结合排放值，在它们之间进行对比分析，提出新的评价参数，进而评价它们的燃烧状况。

In this paper , Symbolic Time series analysis is explained . This method is used to analyze the CO and HC emissions of two gasoline engines in transient condition . Combining with the emission value , we compared them with each other , and evaluated their burning status .

8D离心风机为研究对象，用不同导流器开度下的实验数据进行拟合，研究结果表明，混合神经网络模型的泛化能力强，精度高，各项模型评价参数均优于传统的RBF神经网络模型。

8D were approached with experimental data of different opening angles of guider . The results show that the hybrid neural network model has better generalization ability and higher precision , and it is superior to normal RBF neural network model .

采用光束传输因子（M~2因子）作为光束质量的评价参数，研究了ChG列阵光束通过大气湍流传输的M~2因子。

The beam propagation factor ( M ~ 2-factor ) is taken as the characteristic parameter of beam quality , and the M ~ 2-factor of ChG array beams propagating through atmospheric turbulence is studied .

因此，本文提出另外一种设想，建立图像的质量评价参数和光学系统指标MTF的数据关系模型，通过简单易行的计算在轨卫星的图像质量参数，根据已经建立的模型关系，直接推算出MTF。

There are a lot of work to make the technique mature . We suppose an idea that building up a data relation model between image quality assessment parameters and optical system assessment parameter MTF . Through model we can use image quality assessment parameters to get MTF indirectly .

煤层气区评价参数及勘探方向

Potential evaluation parameters and exploration direction in a coalbed gas region

利用包气带水分体积分数计算水资源评价参数

Calculating water resources assessment parameters by using vadose water volume fraction

分层制造中几何失真性的数学原理与评价参数

Mathematical Principle of Geometrical Distortion and Evaluation Parameter for Layer Manufacturing

车速作为线形评价参数的敏感性分析

Analysis the Sensitivity of Speed as an Appraising Parameter of Linearis

基于分形的机械加工表面轮廓评价参数的计算方法

Calculation Methods for Evaluate Profile Parameters of Machined Surface Based on Fractal

聚合物改性水泥砼改性效果的评价参数研究

Parameter study of the ameliorative effect of polymer cement concrete

汽油机燃烧室紧凑性评价参数分析

Analysis of Compact Evaluation Parameter for Gasoline Engine Combustion Chamber

并介绍了融合结果的几个评价参数。

And the paper introduces some evaluation parameters for the fusion result .

同时，对于实验结果给出了较为系统的评价参数。

The paper also suggests general evaluation parameters for prosodic structure prediction .

血液代用品功能评价参数的研究进展

Research Progress in Estimating Parameters of Blood Substitute Function

根据油田实际情况及相关文献，确定已知的评价参数。

Evaluation parameters were determined according to the actual situation and relevant references .

财务评价参数计算的教学方法

Teaching methods of the calculation of financial evaluation parameters

高功率固体激光器光学元件面形评价参数

Surface Evaluating Parameters of the Optical Components for High Power Solid-State Laser System

汽油机瞬态排放的检测工况与评价参数

The Detecting Conditions and Evaluating Parameters on the Transient Emissions of Spark-Ignited Engines

建立在基因型值和分子标记信息上的水稻核心种质评价参数

Evaluating Parameters of Rice Core Collections Based on Genotypic Values and Molecular Marker Information

电极沥青粘结剂性能评价参数相关性的研究

Study on the relativity among the PROPERTY-EVALUATING parameters of coal-tar pitches binder for electrode

同时还探讨了风向预测方法及误差评价参数。

And we also discuss the wind direction prediction method and its error function .

辽河油田海南构造带储集层评价参数与标准

Parameters and Standard for Evaluating Reservoir Rocks in Hainan Structural Belt , Liaohe Oilfield