均方誤 的英文怎麼說

中文拼音 [jūnfāngwù]
均方誤 英文
mean square error
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 誤 : Ⅰ名詞（錯誤） mistake; error Ⅱ動詞1 （弄錯） mistake; misunderstand 2 （耽誤） miss 3 （使受損害...
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  2. Based on fractional sampling method, a new super - exponential iteration decision feedback blind equalization algorithm for severely nonlinear phase distortion channels was proposed

    因此針對嚴重頻率衰落和非線性相位失真通道，提出了一種分數采樣的混合盲均衡演算法，並獲得了較快的收斂速度和較小的剩餘均方誤差。
  3. On single path condition, the multi - user detection algorithm is derived on the basis of the minimal square rule and the ml rule. a space - time multi - user detection structure and an adaptive method on cdma system are proposed

    在單徑情況下，基於最小均方誤差原則和最大似然原則，提出了一種多用戶檢測演算法和一種空時二維多用戶檢測器的結構。
  4. During the instantaneous frequency estimation of lfm, there exists some error in the edge, so in the dissertation, a fitting method is proposed to modify it. from the computer simulation, the following result is obtained : for cw, the method based on cwt is most effective, and with the snr rising, the error curve of it is more and more closer to crb. for lfm, the method based on wvd gives the best result, and the effects of cwt and stft are similar for multi - component signal, compared to stft and wvd, cwt is a better choice

    通過模擬發現，在單頻回波的瞬時頻率估計中，基於cwt的方法最為有效，隨著信噪比的提高，其均方誤差曲線越來越接近克拉美?羅界；在線性調頻回波的瞬時頻率估計中， wvd法得到的效果最好，而cwt與stft法的估計效果比較接近；在多分量信號的瞬時頻率估計中，相對于stft和wvd法， cwt法是一個更好的選擇。
  5. The main characteristics and advantages are : on one hand, we adopted the low - complexity bussgang algorithm, and did blind estimation to ofdm sub - channel according to the mean square error criterion ( mse ) and peak distortion criterion ; on the other hand, we used the differential detection, which accelerates the convergence speed and avoid the error transmission problem resulted from the bussgang algorithm

    這兩種演算法一方面採用了低復雜度的bussgang自適應演算法，分別依據均方誤差準則和峰值失真準則對ofdm系統子通道進行盲估計；另一方面通過引入差分檢測技術，加快了演算法收斂速度，克服了bussgang演算法帶來的誤差傳播問題。
  6. 5. a multivariable process identification based on asymptotic black - box theory is studied. firstly, a high - order mimo arx model and its frequency error bound is estimated from identification data and low - order siso models is obtained from high - order mimo arx model

    作者對一種基於漸近黑箱理論的多變量過程辨識方法進行了研究：首先用高階arx模型估計模型參數，並給出高階模型的頻域均方誤差；然後，對高階arx模型進行降階處理。
  7. Secondly, it was. made theoretical analyses about the optimal training sequence design by the maximum likelihood estimation method and obtained the corresponding results, which were compared with the separate results derived by the minimum mean square error ( mmse ) estimation method in the other literature. at last, it was analyzed the impac

    其次進行了採用最大似然（ ml ）估計法的最佳訓練序列設計的理論分析，分別得到了有關結果，並和其他文獻中採用最小均方誤差（ mmse ）估計法的設計結果進行了分析比較，得到了有關結論。
  8. In this paper, we emphasis on the distributed mimo zero forcing detection, maximum likelihood detection and minimum mean square error detection. the simulation results are presented to compare the proposed distributed mimo detection algorithms

    本文重點闡述了分佈mimo的迫零檢測演算法、最大似然檢測演算法和最小均方誤差檢測演算法，並通過模擬比較了這三種分佈mimo檢測演算法的性能。
  9. First, after deeply investigating help model, a harmonic related voicing detection algorithm based on mse criterion is developed, with the knowledge that voicing algorithm can be showed by degree of harmonic relation

    首先，本文通過對help演算法的深入分析，根據語音信號諧波相關程度能反映濁音度強弱的性質，開發了一種基於最小均方誤差準則的諧波相關濁音度參數提取方法。
  10. Results show that the rbfnn is obviously superior to the traditional linear model, and its mae ( mean absolute error ) and rmse ( root mean square error ) are 41. 8 and 55. 7, respectively

    結果顯示，該模型預測效果明顯優于傳統的線性自回歸預測模型，各月平均的平均絕對誤差（ mae ）和均方誤差（ rmse ）達到41 . 8和55 . 7 。
  11. The paper also studied the structure of lms adaptive filter and the theoretical analysis of astringency by deducing the equal square error of the weigh value in the msn linear filtering

    在mse線性濾波中權值的均方誤差函數的推導的基礎上，對lms自適應濾波器的結構和收斂性的理論分析進行了研究。
  12. Asymptotic minimax efficiency ; interative logarithm law ; mean error

    漸近minimax有效重對數律均方誤差
  13. The autoaligment instrument and accuracy turntable with digital display are used to detect the step angle after 32 subdivision, and the experiment results are given, the mean - square error of step angle after 32 subdivision is less than 3. 7 %

    為了檢測32細分后的步距角，採用了自準直儀加精密數顯轉臺的光學測量方法，並給出了實驗結果， 32細分步距角的均方誤差不大於3 . 7 。
  14. 4. we propose that the best detection method for the uplink mc - cdma system is decorrelating - parallel interference cancellation ( dec - pic ) multiuser detection, and the best detection method for the downlink mc - cdma system is minimum mean square error combining ( mmsec ) single user detection

    提出上行通道mc - cdma的最佳檢測方法是解相關-并行干擾抵消多用戶檢測法（ dec - pic ） ，在下行通道mc - cdma的最佳檢測方法是最小均方誤差合併單用戶檢測法（ mmsec ） 。
  15. Third, the accuracy of parameter estimate methods for the 2 - parameters weibull distribution and four different estimate methods for failure time based on the life of fixed time measurement are discussed

    在無偏性和均方誤差最小的意義下，得出了上述估計方法的優劣，為定時截尾、定時測試試驗數據下的可靠性分析奠定了基礎。
  16. Abstract : the generalized shrunken prediction of finite population is introduced, using generalized shrunken least squares estimator of linear regression models. with respect to prediction mean squared error, a necessary and sufficient condition for superiority of a generalized shrunken prediction over the best linear unbiased prediction is obtained. in the case of linear combination of every unit index, a linear restricting prediction is introduced and then a necessary and sufficient condition for superiority of linear restricting prediction over the best linear unbiased prediction is devived

    文摘:利用線性回歸模型的廣義壓縮最小二乘估計，引入了有限總體的廣義壓縮型預測，在預測均方誤差意義下，得到了廣義壓縮型預測優于最佳線性無偏預測的一個充分必要條件；在只能得到每個個體指標的線性組合時，引入了一種線性約束型預測，並得到了線性約束型預測優于最佳線性無偏預測的一個充分必要條件
  17. Depending on the specific application, the enhancement system may be directed at different objectives. what is contained in the thesis is as following : ( 1 ). a variety of methods based on short - time spectrum estimation for speech enhancement are discussed

    系統地研究了基於語音短時譜估計的各種增強方法，包括幅度譜相減法、功率譜相減法、維納濾波法、最小均方誤差法、兩態軟判決等。
  18. In order to deepen the research on multiuser detection and speed up the process of its entering into the commercial markets, we have studied the problem of multiuser detection based on cdma systems in the paper. from the system simulation view, we have given the structure of decorrelation detector and the one of mmse detector, respectively and designed the two corresponding tokens to expand the functions of cdma library in systemview

    為了推動多用戶檢測理論研究工作的深入開展和加速工程化進程，本文從系統模擬角度對多用戶檢測進行了研究，提出了解相關多用戶檢測器和最小均方誤差多用戶檢測器的結構，設計了多用戶檢測模塊，解決了systemview通信庫欠缺該功能模塊的問題。
  19. The initialization method to achieve different equalizer delay local minimum is proposed for btea and se. comparison study using several uwac with different zero locations is made to demonstrate the equivalent of different initialization method for least mean square ( lms ) algorithm, btea, se and cma

    盡管常數模盲均衡演算法的初始化仍然是一個公認的未能解決的問題，但本文通過幾條不同零點位置的水聲通道，對比研究了自適應最小均方誤差演算法、倒三譜演算法、超指數演算法和常數模演算法的不同權向量初始化的等效性。
  20. The experiment on a blurred text image restoration shows that the mean square error ( mse ) of the improved nas - rif algorithm has a better convergence, and that the signal to noise ratio is improved

    對文字模糊圖像的模擬結果表明，與原始演算法相比，改進演算法的均方誤差曲線收斂性及穩定性更好，提高了恢復圖像的信噪比。
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