有效的估計 的英文怎麼說
中文拼音 [yǒuxiàodegūjì]
有效的估計
英文
the following assessment is valid: number of penetrations feather/down proof- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 的 : 4次方是 The fourth power of 2 is direction
- 估 : 估構詞成分。
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 有效 : effective; valid; efficacious
- 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
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There are also some estimates of the efficiency of litter decomposition by basidiomycetes in pure culture.
也有一些關于純培養擔子菌分解落葉層效力的估計。Through the inspecting, the author selected three methods of eradiate noise ' s feature extraction. the methods include the pedigree, e - filter, fractal. in those methods, the pedigree is based on frequency field, the e - filter is based on the energy field and the fractal is based on time field
本文作者經過考察,採用了三種前期研究中較為有效的水下目標特徵提取方法? ?基於功率譜估計的線譜特徵提取方法、基於小波分析的不同頻段內能量特徵提取方法和基於水聲信號分維特性的特徵提取方法。Abstract : since the multiple failures situation is not uncommon in the clinical medicine, we explore the use of proportional odds model to the multivariate interval - censored data. the approach is based on the conditional logistic regression, which prevents the complications in the existence of nuisance parameters. the estimation of parameters is obtained by the newton - raphson algorithm. the sandwith estimator for the covariance is made according to the situation where there is correlation in the score statistic. simulations are also presented to assess the accuracy of the procedure
文摘:探索比例優勢模型在臨床醫學中常見的多結局區間截斷數據中的應用.用條件的邏輯回歸方法避免討厭參數的估計,用牛頓-拉普森演算法估計回歸系數,用"夾心方差"估計量作為參數方差的估計.通過隨機模型檢驗模型應用的有效性Then we present a toa / tdoa data fusion model based on mathematical statistics for radiolocation in cellular network, and fuse toa / tdoa measurements through a best linear fusion method and a mobile position based dynamic location algorithm, which shows good performance of robustness and accuracy
然後,從數理統計的角度出發,構造了一個toa和tdoa進行位置估計的數據融合模型。主要利用一種最佳線性融合策略和基於移動臺位置的動態定位演算法對toa和tdoa測量數據進行融合,有效的提高了演算法可靠性和準確度。Therefore, the code for the slipstream influence prediction provided in this investigation is effective
因此,本文提供的計算程序可以作為工程估算滑流影響的行之有效的方法。The paper introduces the risk analysis and evaluation method of engineering investment based on fuzzy mathematics and a new way of calculating steelyard weight. the new way of calculating steelyard weight remedies the limit of the common way and reduces the time of calculating. the paper keeps the principle of synthesizing the way of the qualitative analysis and quantitative analysis
文章介紹了基於模糊理論和一種新的權重系數計算方法對工程項目投資進行風險分析和評估,這種新的權重系數計算方法彌補了常規方法的局限性,並大大地減少了計算量,遵循定性分析與定量分析相結合的原理,將模糊理論與這種新的權重系數計算方法有效的結合在一起。The first facet is to put forward four - step block matching algorithm which can deduce the time of motion estimation and improve the coding efficiency, based on the traditional motion estimation algorithms. the second facet is to propose a new rate control algorithm, that is average - reaction rate control algorithm, based on the rate control of mpeg2. the new rate control algorithm can achieve rapid and efficient adaptive coding
首先在對傳統的運動估計演算法進行研究和改進的基礎上,提出了四步搜索塊匹配的運動估計演算法,減少了運動估計的時間,提高了編碼效率;其次在分析mpeg2比特率控制的基礎上,提出了一種新的比特率控制演算法? ?平均響應比特率控制演算法,該演算法能夠快速有效的實現自適應編碼。What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank
研究結果表明:設置低坎分流墩后,消除了擺動水躍水舌擺動的根源,提高了水躍的消能效果,改善了下游水流流態。下游水體的主流在中部,既有效的降低了坎后水流底流速,減輕水流對河床的沖刷,又避免了主流位於表面導致波浪過大的結果,下游的水面波浪明顯得到削減。依據經驗公式,可根據工程水流條件設計出低坎分流墩的體型參數,進而估算出下游沿程的水面波浪,為下游岸邊的砌護提供依據。Acoustics - hearing protectors - part 2 : estimation of effective a - weighted sound pressure levels when hearing protectors are worn
聲學護聽器第2部分:戴護聽器時有效的a計權聲壓級估算In this paper, we have presented a modified music algorithm, which can estimate the doa of coherent signals and adjacent signals with small snr effectively
本文提出的是一種修正過的music演算法,該演算法能有效的估計出相干信號以及相隔比較近的小信噪比信號的doa 。This anfis model combines the neural network adaptive capabilities and the fuzzy qualitative approach such that the soc estimation can be performed in an effective way
自適應模糊推理系統將神經網路的自適應特性和模糊推理結合起來,能夠有效的估計電池的荷電狀態。The existing algorithms are effective to simulated data, but to realistic images, they can not effectively estimate the projective depths
已有的演算法對模擬數據很有效,但是對于真實圖像,它們不能有效地估計射影深度。The results show that the fault rates estimated by the model are close to those obtained from the actual audit outcomes, indicating this model a useful tool that can assist quality engineers to effectively assess fault rate
因此,本模式可作為一有用的品質管制技術,用以協助品管人員有效地估計品質的缺失率。In spread - spectrum communication positioning system, the multi - path signal is always existing and unable to be eliminated. how to extracting its multi - path rapidly and real - timely is one of the key techniques in mobile communication positioning system
在擴頻通信定位系統中,多徑信號是一個普遍存在而又難以消除的干擾,如何實時有效的估計和提取多徑干擾分量是提高移動通信定位精度的關鍵技術之一。With the data of china ' s yearly extreme - values, the asymptotic distribution is fitted using the gumbel distributions. probability weighted moments is an effective method to parameter estimation, with which calculation is simplified and the fitting precision are improved
利用耿貝爾分佈可以對我國極端溫度的年極值進行漸進分佈擬合,參數估計中的概率加權法是一種有效的估計方法。In chapter 3, we discuss the problem of doa estimation in the presence of spatially nonstationary noise fields. an estimate of the colored noise covariance matrix is firstly given. the received data for parameter estimation is then prewhitened using the estimated noise covariance, hence, overcoming the highly biased estimates. finally, adaptive beamforming with the modified weight is also performed. computer simulations show that the proposed method can completely remedy beam distortion. 3
在第三章討論了一種在環境噪聲為白噪聲而陣元噪聲為空間非平穩情況下的doa估計問題,給出了一種有效的估計陣元噪聲功率的方法,進而利用估計的噪聲協方差矩陣進行預處理而實現色噪聲環境下的doa估計,理論分析和模擬結果均表明了本章提出的方法的有效性。To achieve it the author established a new observation flux linkage based on mras ( model reference adaptive system ), which choose the stator current as comparing signal and can effectively estimate the flux linkage and rotate speed with simple configuration. the speed estimation with speed sensorless is an important trend of modern ac drive
對磁鏈的觀測採取了改進的u - i積分器,並提出了一種新型的定子磁鏈mras自適應觀測器,以定子電流作為比較信號,結構簡單,能有效地辨識定子電阻,從而真正有效地估計定子磁鏈和速度。So in ofdm system, how to synchronize quickly and accurately is quite important, which affects the performance of whole system
因此,在設計ofdm接收機時,需要對符號、頻率同步進行有效的估計和補償,盡可能減小對系統性能的影響。We say that ols estimators are asymptotically efficient among a certain class of estimators under the gauss - markov assumptions
我們說在高斯-馬爾可夫假定下ols估計量是漸近有效的估計量。They are almost based on the theory of conventional detection and estimation. so when the signal to noise ratios of the received signals becomes lower, the performance of these methods take a turn for the worse, and these methods don ’ t work
這些方法大多基於常規信號檢測和估計理論,對于寬帶微弱的ds信號,當信噪比較低時,這些估計方法的估計性能急劇惡化,不能得到有效的估計結果。分享友人