estimator
英 [ˈɛstɪmeɪtə]
美 [ɛˈstɪmətər]
n. 估计量；估计值；推算子；推算式；评价者
复数：estimators
BNC.29820 / COCA.27958
英英释义
noun
- an expert at calculation (or at operating calculating machines)
双语例句
- This algorithm applies periodogram and parabolic interpolation to the cross correlation spectrum of band limited stochastic signals, and can obtain a continuous time delay estimator.
该方法将周期图法与抛物线插值应用于带限随机信号的互相关谱，可以获得连续的延时估计。 - The time-delay estimator of complex LFM based on cyclic cross-correlation amplitude is discussed.
研究了复线性调频信号的循环互相关估计时延问题。 - This article introduces the factors that affect eyewitness identification accuracy, namely, estimator variables and system variables, and analyzes the problems in eyewitness identification researches.
本文重点介绍了影响目击证人辨认准确性的因素，即估计者变量和系统变量，并分析了目击证人辨认研究的现存问题。 - One kind of heteroscedasticity testing method was proposed through extreme value theory and extreme value index estimator.
应用极值理论，通过极值指数估计量，提出了一种可行的对异方差的检验方法。 - The studies of the witness from the psychologists view have had two ways of estimator variables and system variables and much achievement.
目击见证的心理学研究已形成了沿着估计变量和系统变量两个方向进行的思路，并取得了大量的研究成果。 - The randomly weighted least square estimator ( RWLSE) for the parametric component in semi-parametric regression models was mainly discussed.
主要考虑了同方差型的半参数线性回归模型中参数的随机加权最小二乘估计（RWLSE）。 - This paper studies linear regression models with dependent errors, and we introduce the jackknifed least squares estimator and generalized jackknife least squares estimator.
在误差为相依的情况下，讨论了线性回归模型的刀切最小二乘估计与广义刀切最小二乘估计。 - Based on the innovation analysis approach, a non-augmented optimal filter with a white noise estimator is presented for a multiple time-delay system with colored measurement noise.
基于新息分析方法，对带有色观测噪声的多重时滞系统，提出了一种带自噪声估值器的非增广的最优滤波器。 - The results also show that significant performances the estimator in extreme low signal-to-noise ratio can be obtained.
同时该结果也显示在低信噪比下的估计器的卓越性能。 - Small sample properties are derived for the estimator from simple random samples.
我们推导简单随机抽样下该估计值的小样本性质。