英语词汇sample ratio怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

网络释义

1
?样本比
... sample ratio : 样本比 sample point and sample space : 样本点及样本空间 sample by sample estimation : 连续抽样估计，逐个样本估计 ...

短语

1
down-sample ratio
降采样因子
2
sample ratio changeable
变抽样率
3
changeable sample ratio processing
变采样率处理

双语例句

1
The parameter of LFM term estimated by the changing sample ratio processing technology to improve the performance of tracing distance is presented.
提出了应用变采样率技术估计线性调频项参数来减小距离跟踪的误差，提高雷达的跟踪目标性能。
2
We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.
讨论多阶段抽样比率估计及其样本量选择的问题，给出了比率估计抽样均方误差的近似公式及其渐近无偏估计的公式。
3
In this paper, the range glint is analyzed in theory through the model of sample ratio established, and then its physical essence is also expatiated using echo spectrum aberration.
本文通过所建立的采样比率模型对多目标的距离闪烁效应进行了理论分析，并从回波频谱畸变的角度解释了其物理本质。

单词	sample ratio
释义	sample ratio 简明释义样本比例：在统计学中，样本比例是指从总体中抽取的样本中具有某一特征的个体所占的比例。网络释义 1 ?样本比 ... sample ratio : 样本比 sample point and sample space : 样本点及样本空间 sample by sample estimation : 连续抽样估计，逐个样本估计 ... 短语 1 down-sample ratio 降采样因子 2 sample ratio changeable 变抽样率 3 changeable sample ratio processing 变采样率处理双语例句 1 The parameter of LFM term estimated by the changing sample ratio processing technology to improve the performance of tracing distance is presented. 提出了应用变采样率技术估计线性调频项参数来减小距离跟踪的误差，提高雷达的跟踪目标性能。 2 We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling. 讨论多阶段抽样比率估计及其样本量选择的问题，给出了比率估计抽样均方误差的近似公式及其渐近无偏估计的公式。 3 In this paper, the range glint is analyzed in theory through the model of sample ratio established, and then its physical essence is also expatiated using echo spectrum aberration. 本文通过所建立的采样比率模型对多目标的距离闪烁效应进行了理论分析，并从回波频谱畸变的角度解释了其物理本质。
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