查询词典 unbiased

The bias of cyclic periodogram with ssinc window is analyzed in both spectrum frequency direction and cycle frequency direction, and that the TA cyclic spectrum estimation is unbiased is proved.

通过分析加ssinc窗的循环周期图在谱频率方向和循环频率方向的偏差，分析了TA循环谱估计是无偏估计。

The bias of cyclic periodogram with ssinc window is analyzed in both spectrum frequency direction and cycle frequency direction, and that the TA cyclic spectrum estimation is unbiased is analyzed. The average method of cyclic periodogram is also derived in terms of STFT.

论文中通过分析加ssinc窗的循环周期图在谱频率方向和循环频率方向的偏差，表明TA循环谱估计是无偏估计，并根据STFT方法，推导了使方差得以减小的平均循环周期图方法。

In a simple random sampling, the sample mean is an unbiased estimate of the population mean.

在简单随机抽样中，样本均值是总体均值的无偏估计。

Futures price is the unbiased estimate of expected spot price, which is based on the function of risk transferring.

期货价格是未来现货价格的无偏估计，这是建立在风险转移功能基础之上的。

The so-called relay linear unbiased estimationmethod for theestimation of the scale parameter of the logistic distribution is considered.

本文对Logistic尺度参数还考虑了被称作接力线性无偏估计的方法。

In the spaciousness of meditation, you can view your thoughts and emotions with a totally unbiased attitude.

在禅定的无垠广阔中，你可以用一种完全客观的态度来看待你的思想和情绪。

This is a daughter's story of her father,startlingly honest and unbiased.

这是女儿讲她父亲的事，其忠实的、不偏不倚的程度令人吃惊。

Considering linear and O-linear predictable variables, the author investigates optimal prediction problems by the trace of matrix. A few necessary conditions are derived and accordingly optimal linear and optimal O-linear unbiased predictors, which are unique with probabitity one, are obtained respectively by the author.

对于一类线性可预测变量和Φ-线性可预测变量，作者在矩阵迹意义下研究了一般增长曲线模型中最优预测问题，找到了其存在最优预测的几个必要条件，并在给定的条件下分别得到了最优线性无偏预测和最优Φ-线性无偏预测，而且还证明了它们在几乎处处意义下的唯一性。

Not correct to say "5 percent is an unbiased estimate of the return of education".

不正确的说法：5%是教育汇报率的无偏估计值。

The means of adaptive adjustment of learning rate is introduced, and then the unbiased risk estimate of signal can be obtained with high operating speed.

因此，必须找到一种有效的信号处理方法，在去噪的同时，最大限度的保证欣号的特征信息不会丢失。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。