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直接估計,direct estimation
1)direct estimation直接估計
1.We analyze the impact of market-oriented reform on China economy growth by using provincial panel data and direct estimation methods.并根據擴展的新古典經濟增長模型,利用我國30個省市區的面板數據,采取直接估計的方法,在全要素生產率中把技術進步與市場化改革加以分離,分別測度了技術進步與市場化改革對經濟增長的貢獻。
英文短句/例句

1.A Direct Error Estimation of BEM for 3D Elastic Contact Problem三維彈性接觸問題邊界元法的一種誤差直接估計
2.Color Spectrum Estimation from RGB Triplet by Using Photon Statistics直接從RGB估計光譜的量子統計方法
3.Research on Parameter Estimation Methods for Direct Sequence Spread Spectrum Signals;直接序列擴頻信號參數估計方法研究
4.Detection and Parameters Estimation of Direct Sequence Spread Spectrum Signal;直接序列擴頻信號的檢測和參數估計
5.Blindly Detection and Parameters Estimation of Direct Sequence Spread Spectrum Signal直接序列擴頻信號盲檢測與參數估計
6.Pricing was an immediate predecessor of the financial officers preparing the budget.價格估計是財務人員編制預算的直接前導。
7.Research on Blind Detection and Parameters Estimation of Direct Sequence Spread Spectrum;直接序列擴頻信號的盲檢測和參數估計方法
8.Lenin s Thought about the “Direct Transition” with Three Extortionate Estimates;列寧的“直接過渡”思想與三個過高的估計
9.Overall strength assessment of semi-submersible platform structures based on direct calculation基于直接計算的半潛式平臺結構總強度評估
10.The estimation of trade elasticities is an area in which econometrics meets head-on with policy judgments.對貿易彈性的估計是計量經濟學直接觸及到政策判斷的一個領域。
11."Also, people who sell their house on their own must not value their time much."此外,直接出售自己房子的人也很難足額估計自己房產的價值。
12.Instead of using an ADA( Allowance for Doubtful Accounts) account, why can't we just subtract estimated future write-offs from the Accounts Receivable?為何不能直接減除應收帳款所估計的備抵呆帳,而使用備抵科目?
13.The arms promote the DVD release of the latest Quentin Tarantino flick Death Proof in which a severed limb or two can be expected.估計是要報警,或者直接暈倒在地,讓別人幫你報警或叫救護車吧。
14.Estimation of Fertilizer-Induced Direct N_2O Emission from Chinese Agricultural Fields Based on Integration of Model and GIS Technology;基于模型和GIS技術的中國農田化學氮源N_2O直接排放量估計
15.Research on a PI Estimator with Parameters Updated in Direct Torque Control of Permanent Magnet Synchronous Motor;參數自整定PI估計器在永磁同步電機直接轉矩控制中的應用研究
16.Research and Implementation on the Digital Method of Carrier Frequency Estimation of DSSS Signal;直接序列擴頻信號載波頻率估計的數字化方法研究與實現
17.Research on Detection and Parameter Estimation of the DSSS Signal with Negative SNR;負信噪比直接序列擴頻信號的檢測及參數估計研究
18.A Carrier Frequency Estimation Method of Non-cooperative Underwater Acoustic Direct-Sequence Spread-Spectrum Signal Under Low-CNR非合作水聲低載噪比直接序列擴頻信號的載頻估計方法
相關短句/例句

direct parameter estimation(DPE)直接參數估計法
1.The nonsymmetrical dead zone restoring force was approximated using the Legendre polynomial with the direct parameter estimation(DPE) method used to obtain the system mass,damping,and Legendre polynomial coefficients.辨識時首先將非對稱死區非線性恢復力用Legendre多項式近似,并用直接參數估計法辨識得到系統質量、阻尼等參數以及Legendre多項式系數;然后根據Legendre多項式最佳平方逼近系數與死區參數之間的關系估計出死區參數。
3)direct estimate grads直接估計梯度
1.On the basis of locally embedding manifold learning algorithms,a data dimensionality reduction algorithm based on direct estimate grads is proposed.該文在局部嵌入思想的流形學習算法的基礎上,提出直接估計梯度值的方法,從而達到局部線性誤差逼近最小化,實現高維非線性數據的維數約簡,并在Swissroll曲線上采樣測試取得了良好的降維效果。
4)direct estimation of reference parameters參數直接估計
5)direct-error estimator直接誤差估計
6)direct decision estimation直接決策估計
延伸閱讀

Bayes估計量Bayes估計量Bayesian estimator Bayes估計量【Bayesi助始廿ma.件;D自獄.。眨..界..] 用BayeS方法(Bayesian aPProach)由觀察值對一未知參數所作的估計.統計問題使用這樣的方法時,一般都假定未知參數所0 gR“是一具有給定先驗分布7r=武do)的隨機變量,決策空間D與集合0重合.且損失L(0,d)表示變量0與估計d的偏離.因此,函數L勿,d)通常假定為有形式L勿,d)=a(e)又(口一d),其中又是誤差向量0一d的某個非負函數,若k二1,則常取又勿一d)={0一d}“(“>0).最有用且在數學上最方便的是平方損失函數L(口,d)=}‘一d1’.對這一損失函數,Bayes估計量(Ba卿決策函教(Bavesian dedsion function))占’二亡廠(x)定義為使最小總損失 !;‘p‘二·“,一,‘薯必,“一”‘·’2’〕口‘么,叮‘““,達到的函數,或與之等價,了是使最小條件損失 ,母‘E{[口一占(x)]2+“)達到的函數,由此推出,在平方損失函數的場合,B竹es估計量與后驗均值占‘(x)=E勿{x)相等,而Bayesj雙險(Bayes risk)為 。‘二,占‘)二E!D礦夕}x)]‘此處O(0}勸是后驗分布的方差: o(口{x)二任{{口一E(0{x)12!,、}. 例設二=(x,,,二,戈),這里x,,,二,x。為具正態分布N勿,。’)的獨立同分布變量,護己知,而未知參數0有正態分布N扭,鏟).因為當x給定時口的后驗分布為正態N(拜。,T:一、其中 n又。2一十“下一2 燦。二一—,,。一二n口‘一奮了一_ n口一汁~下且萬=(x,十一+凡)/。,可知在平方損失函數{分一引’之下,Bayes估計量為占’(x)=線,而Bayes風險則為《二獷六伽鏟十護).AH川畔即撰[補注]
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