sampling variance中文是什么意思

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中文翻譯
造句

采樣方差
采樣偏差
抽樣變異數(shù)
抽樣方差

sampling n. 1.取樣(品)，取標(biāo)(本)〔指行動(dòng)或程序〕。 2. ...
variance n. 1.變化，變動(dòng)，變更；變度，變量；【統(tǒng)計(jì)】(平)方 ...
variance for stratified sampling 分層抽樣方差
at variance 有分歧, 不和
at variance with 與...有分歧, 與...不和, 與...不符
variance n. 1.變化，變動(dòng)，變更；變度，變量；【統(tǒng)計(jì)】(平)方(偏)差。 2.(意見(jiàn)等的)相異；不和，沖突，爭(zhēng)論。 3.【法律】訴狀和供詞的不符。 at variance with 和…不和；和…不符 (at variance with the facts 不符事實(shí)。His conduct is at variance with his words. 他言行不符)。 set at variance 使不睦，離間。
variance with 和不和
sampling n. 1.取樣(品)，取標(biāo)(本)〔指行動(dòng)或程序〕。 2.樣品，標(biāo)本。 3. 剽竊拼湊歌曲。
combined variance(or poolled variance) 合并方差
physical variance，efficiency variance 實(shí)績(jī)差異，效率差異
spending variance,expenditure variance 開(kāi)支差異
activity variance 業(yè)務(wù)活動(dòng)差異; 業(yè)務(wù)活動(dòng)量差異; 作業(yè)差異
adaptor variance 加性方差
additive variance 加性方差
additivity of variance 方差加和性
adverse variance 不利差異,逆差
allan variance 阿倫方差
analysis of variance 變差分析; 變分析; 變異數(shù)分析; 方差分析法; 分析方差; 離散分析; 偏差分析
analytic variance 分析方差
angular variance 角方差
asymptotic variance 漸近方差
average variance 平均方差
basic variance 基本差異
betweenstrata variance 區(qū)間變異
betweensubjects variance 被試者間方差

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And then , adopting the same model , cyclic moment estimation statistic of different orders are constructed respectively , large sample variance expressions of the estimator through theoretic analysis are derived , as well as the constraint relation of estimator performance and noise statistical characteristic . the curve of estimation performance is obtained through monte carlo simulation test , which proves the related conclusion derived
然后，論文同樣以加性和乘性噪聲聯(lián)合干擾下的復(fù)諧波信號(hào)和復(fù)線性調(diào)頻信號(hào)為觀測(cè)模型，分別構(gòu)造了基于不同階次的循環(huán)矩估計(jì)量，從理論上推導(dǎo)出了估計(jì)量的大樣本方差表達(dá)式，分析了估計(jì)量性能與噪聲統(tǒng)計(jì)特性的約束關(guān)系，通過(guò)monte - carlo仿真試驗(yàn)得到了估計(jì)性能的曲線，驗(yàn)證了推導(dǎo)的有關(guān)結(jié)論。
In chapter 3 we analyze a useful statistical method - projection pursuit ( pp ) , including its basic theory and application . we put out definitions of projection index and projection pursuit , then prove that pca is a special case of pp with sample variance as projection index and list some indices often used . in section 3 . 3 we apply pp with information divergence index to hyperspectral image , and demonstrate the advanced ability of it by the comparison between it and pca
第三章圍繞一種新興的統(tǒng)計(jì)降維方法? ?投影尋蹤展開(kāi)討論，概述投影尋蹤的一般理論，定義了投影指標(biāo)和投影尋蹤的概念，證明了傳統(tǒng)的主成分分析方法是投影尋蹤的一個(gè)特例，證明了正態(tài)性與friedman指標(biāo)為0的等價(jià)性；第三節(jié)針對(duì)高光譜圖像處理問(wèn)題，從實(shí)例和理論兩個(gè)方面，論證了以信息散度為指標(biāo)的投影尋蹤方法在提取信息的能力上優(yōu)于以方差大小作為衡量信息量多少標(biāo)準(zhǔn)的主成分分析方法。

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