root-mean-square

常見(jiàn)例句

This paper introduces the pulse wide modulation(PWM) based on minimum root-mean-square value of harmonic current of inverter.
介紹了逆變器諧波電流均方根值最小的脈寬調(diào)制（PWM ）。
This modification incorporates explicitly the duration of strong earthquake ground motion into the time dependent variation of the root-mean-square peak amplitude.
這個(gè)脩正明顯地將強(qiáng)震運(yùn)動(dòng)的持續(xù)時(shí)間包含在均方根振幅依賴(lài)於時(shí)間的變異中。
Using the adjoint system method, analytical solutions of interceptor's root-mean-square miss distance are derived from the case where the penetration missile adopt random maneuver strategy.
用共軛系統(tǒng)分析法，得到了該模型在突防導(dǎo)彈隨機(jī)機(jī)動(dòng)突防策略的作用下，攔截導(dǎo)彈脫靶量均方根的解析解。

What we want to do now is compute the mean and variance of the portfolio-- or the mean and standard deviation, since standard deviation is the square root of the variance-- for different combinations of the portfolios.
我們現(xiàn)在要做的是,計(jì)算這個(gè)投資組郃的均值和方差-,或者均值和標(biāo)準(zhǔn)差，因爲(wèi)標(biāo)準(zhǔn)差的平方就等於方差-,這對(duì)任何投資組郃都是一樣的。
耶魯公開(kāi)課 - 金融市場(chǎng)課程節(jié)選