查询词典 by estimate

But usually, characteristic parameter of these methods has more requests for prior information of the signals, particularly for the prior estimate of signal noise ratio.

但是这些方法得到的特征参数，往往对于信号的先验知识有较多的要求，尤其是对信噪比的预先估计。

Analysts estimate that banks in China this year were writing off two to three percent of their credit card loans, which is still less than half of the July charge-off rate of 6.6 percent in the United States, according to Fitch Ratings.

分析人士预计，今年中国各家银行信用卡欠款中的2%至3%将不得不勾销，这低于美国7月份6.6%的比例。

Analysts estimate that banks in China this year were writing off 2% to 3% of their credit card loans, less than half of the July charge-off （把—作为损耗注销,冲销,销账）rate of 6.6% in the U.S.

分析家估计今年中国银行注销了2%到3%的信用卡债务，不到美国7月6.6%呆帐率的一半。

We then apply the one-tailed version of Chebyshev's Inequality to estimate the percentage of light reaching a surface at depth t.

这样我们应用一个修改版的切尔雪夫不等式去估计光源到达深度t平面的百分比。

Aiming at the problems of over-fitting and generalization for neural networks, the locally most entropic colored Gaussian joint input-output probability density function estimate is studied, and a new method by means of Chebyshev inequality is proposed to self-revise respectively according to every cluster.

针对神经网络的过拟合和泛化能力差的问题，研究了样本数据的输入输出混合概率密度函数的局部最大熵密度估计，提出了运用Chebyshev不等式的样本参数按类分批自校正方法，以此估计拉伸样本集，得到新的随机扩充训练集。

Given a finite training sample set, according to the proposal of establishing a Local Most Entropy probability density function to estimate the number of cluster a method for estimating 〓 is proposed, where a complicated method based on Maximum Likelihood Cross-Validation is replaced by Chebyshev inequality.

为改善BP算法的收敛速度慢、易陷入局部最小的问题，提出了带一类非线性特性动量项的变步长BP算法，构造了一个能自适应升降温的动量项非线性强度函数，在编程中又采用了有条件引入非线性特性动量项的措施，大大提高了搜索过程跳出局部极小、快速稳定收敛的能力。

The purpose of this study was to estimate the risk of falls among elderly citizens by using a check list.

本研究目的是以跌倒危险评估表评量老人跌倒的危险因子。

Because of the complex chemic component, the quality estimate and control of Chinese traditional medicine is a difficult problem.

由于中药的化学成分极为复杂，它的质量优劣评价方法和相应的质控标准长期以来一直是个难题，这也是影响中药现代化的一个主要因素。

A system of methods to estimate the chemotaxis coefficients of microbe usingcrude oil as carbon source were constructed.

建立了一套估算原油碳源微生物化学趋向性系数的方法。

The latency and amplitude of F-VEP following ONI with ONID and without ONID were compared and analyzed to estimate the feasibility of ONID and to choose the most appropriate cases andoptimal operation timing.2. H.E. or Luxol Fast Blue staining, and transmission electron microscopy were used to observe the configuration and structure of optic nerve, retinal ganglion cells and chiasma opticum.

通过光镜、电镜和荧光显微镜对ONID后视神经轴突及其胞体——视网膜神经节细胞(retinal 第四军医大学硕士学位论文 ganglion cen，RGC)的观察，反映视通路上各部位的形态、结构及数量的变化，进一步验证切开减压对视神经不完全损伤的保护作用。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。