variance相关论文
图像法进行航空相机调焦过程中,图像噪声的影响会使得调焦精度降低.然而对于图像信噪比和调焦精度两者之间关系的研究主要是基于实......
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A RBC model is built to study labor transfer fluctuation in China. Then an empirical study of labor transfer between 197......
Purpose :To describe the development of the of scale quality of life which can measure the quality of life of Chinese p......
Genetic Variance Estimates in Heterogeneous Potato Populations Propagated from True Potato Seed(TPS)
Twenty nine cross populations developed according to line × tester mating design along with their twelve parents raised......
An acoustic vector sensor can measure the components of particle velocity and the acoustic pressure at the same point si......
最小二乘估计具有无偏性,而岭估计是一种有偏估计,它通过引入偏差降低方差来降低均方误差。在模型出现病态时,岭估计优于最小二乘......
In this paper, a novel detection criterion is proposed to decide whether primary user(PU) exists based on joint analysis......
In this paper, a novel detection criterion is proposed to decide whether primary user(PU) exists based on joint analysis......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
目前,各个国家面临着不同程度的通贷膨胀.在此情况下,如何规避通货膨胀所带来的财富稀释是现阶段所有投资人追求的目标.本文从投资......
The phase difference method (PDM) is presented for the direction of arrival (DOA) estimation of the narrowband source. I......
针对圆孔型工件几何特征的测量，边缘定位的精度至关重要。提出了一种圆孔边缘定位算法。该算法对某一像素的相邻像素方位做出标记并......
目的 探讨孟鲁司特对小儿咳嗽变异性哮喘的治疗效果.方法 100例咳嗽变异性哮喘患儿随机的分为治疗组和对照组,每组50例,对照组给予......
In the fusion of image,how to measure the local character and clarity is called activity measurement. According to the p......
Based on satisfactory control strategy, a new method for robust passive fault tolerant controller is proposed for a clas......
目的了解临床路径的有效使用现状,充分发现临床路径在医疗上的功能。方法收集某省级三甲医院,2008年-2013年6个病种共计6943个病例......
[目的]分析美洲黑杨物候性状之间的相关性.[方法]采用完全随机区组设计,通过将物候观测记录量化并绘图研究了美洲黑杨物候性状的变......
[目的]探讨不同烤烟品种生长特性差异,为贵州烤烟生产选用后备品种及品种布局提供理论依据.[方法]以‘南江3号’品种为对照,于2015......
作战效能评估是指对在多种因素综合影响的条件下遂行作战任务达到预期目标程度的评估。多因素对综合指标的影响程度各有不同，将这种......
The relationship between the Arctic Oscillation (AO) and daily temperature variance of 150 Chinese stations are investig......
本文将带有线性限制下的线性模型理论推广至带有一般线性限制下的线性混合效应模型.同时,本文在没有李(2010)中的正则条件下,构造......
