直接估计,direct estimation
1)direct estimation直接估计
1.We analyze the impact of market-oriented reform on China economy growth by using provincial panel data and direct estimation methods.并根据扩展的新古典经济增长模型,利用我国30个省市区的面板数据,采取直接估计的方法,在全要素生产率中把技术进步与市场化改革加以分离,分别测度了技术进步与市场化改革对经济增长的贡献。
英文短句/例句

1.A Direct Error Estimation of BEM for 3D Elastic Contact Problem三维弹性接触问题边界元法的一种误差直接估计
2.Color Spectrum Estimation from RGB Triplet by Using Photon Statistics直接从RGB估计光谱的量子统计方法
3.Research on Parameter Estimation Methods for Direct Sequence Spread Spectrum Signals;直接序列扩频信号参数估计方法研究
4.Detection and Parameters Estimation of Direct Sequence Spread Spectrum Signal;直接序列扩频信号的检测和参数估计
5.Blindly Detection and Parameters Estimation of Direct Sequence Spread Spectrum Signal直接序列扩频信号盲检测与参数估计
6.Pricing was an immediate predecessor of the financial officers preparing the budget.价格估计是财务人员编制预算的直接前导。
7.Research on Blind Detection and Parameters Estimation of Direct Sequence Spread Spectrum;直接序列扩频信号的盲检测和参数估计方法
8.Lenin s Thought about the “Direct Transition” with Three Extortionate Estimates;列宁的“直接过渡”思想与三个过高的估计
9.Overall strength assessment of semi-submersible platform structures based on direct calculation基于直接计算的半潜式平台结构总强度评估
10.The estimation of trade elasticities is an area in which econometrics meets head-on with policy judgments.对贸易弹性的估计是计量经济学直接触及到政策判断的一个领域。
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难足额估计自己房产的价值。
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?为何不能直接减除应收帐款所估计的备抵呆帐,而使用备抵科目?
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.估计是要报警,或者直接晕倒在地,让别人帮你报警或叫救护车吧。
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技术的中国农田化学氮源N_2O直接排放量估计
15.Research on a PI Estimator with Parameters Updated in Direct Torque Control of Permanent Magnet Synchronous Motor;参数自整定PI估计器在永磁同步电机直接转矩控制中的应用研究
16.Research and Implementation on the Digital Method of Carrier Frequency Estimation of DSSS Signal;直接序列扩频信号载波频率估计的数字化方法研究与实现
17.Research on Detection and Parameter Estimation of the DSSS Signal with Negative SNR;负信噪比直接序列扩频信号的检测及参数估计研究
18.A Carrier Frequency Estimation Method of Non-cooperative Underwater Acoustic Direct-Sequence Spread-Spectrum Signal Under Low-CNR非合作水声低载噪比直接序列扩频信号的载频估计方法
相关短句/例句

direct parameter estimation(DPE)直接参数估计法
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.辨识时首先将非对称死区非线性恢复力用Legendre多项式近似,并用直接参数估计法辨识得到系统质量、阻尼等参数以及Legendre多项式系数;然后根据Legendre多项式最佳平方逼近系数与死区参数之间的关系估计出死区参数。
3)direct estimate grads直接估计梯度
1.On the basis of locally embedding manifold learning algorithms,a data dimensionality reduction algorithm based on direct estimate grads is proposed.该文在局部嵌入思想的流形学习算法的基础上,提出直接估计梯度值的方法,从而达到局部线性误差逼近最小化,实现高维非线性数据的维数约简,并在Swissroll曲线上采样测试取得了良好的降维效果。
4)direct estimation of reference parameters参数直接估计
5)direct-error estimator直接误差估计
6)direct decision estimation直接决策估计
延伸阅读

Bayes估计量Bayes估计量Bayesian estimator Bayes估计量【Bayesi助始廿ma.件;D自狱.。眨..界..] 用BayeS方法(Bayesian aPProach)由观察值对一未知参数所作的估计.统计问题使用这样的方法时,一般都假定未知参数所0 gR“是一具有给定先验分布7r=武do)的随机变量,决策空间D与集合0重合.且损失L(0,d)表示变量0与估计d的偏离.因此,函数L勿,d)通常假定为有形式L勿,d)=a(e)又(口一d),其中又是误差向量0一d的某个非负函数,若k二1,则常取又勿一d)={0一d}“(“>0).最有用且在数学上最方便的是平方损失函数L(口,d)=}‘一d1’.对这一损失函数,Bayes估计量(Ba卿决策函教(Bavesian dedsion function))占’二亡厂(x)定义为使最小总损失 !;‘p‘二·“,一,‘薯必,“一”‘·’2’〕口‘么,叮‘““,达到的函数,或与之等价,了是使最小条件损失 ,母‘E{[口一占(x)]2+“)达到的函数,由此推出,在平方损失函数的场合,B竹es估计量与后验均值占‘(x)=E勿{x)相等,而Bayesj双险(Bayes risk)为 。‘二,占‘)二E!D矿夕}x)]‘此处O(0}劝是后验分布的方差: o(口{x)二任{{口一E(0{x)12!,、}. 例设二=(x,,,二,戈),这里x,,,二,x。为具正态分布N勿,。’)的独立同分布变量,护己知,而未知参数0有正态分布N扭,铲).因为当x给定时口的后验分布为正态N(拜。,T:一、其中 n又。2一十“下一2 灿。二一—,,。一二n口‘一奋了一_ n口一汁~下且万=(x,十一+凡)/。,可知在平方损失函数{分一引’之下,Bayes估计量为占’(x)=线,而Bayes风险则为《二犷六伽铲十护).AH川畔即撰[补注]