均值器 的英文怎麼說

中文拼音 [jūnzhíqì]
均值器 英文
equalizer
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 均值 : [數學] mean value
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  2. The study on decision feedback equalizer based on channel estimation

    基於通道估值的判決反饋均衡器研究
  3. In pumping fluid with gas, pressure boost can be improved by enhancing the pump rotation speed, thereby improving the performance of the pump to a certain degree ; when the gas content is constant, by increasing the inlet pressure, the pressure boost can be enhanced and the pump efficiency be improved remarkably ; when the gas content is rather high, there will be a problem of matching between the gas pressure and the fluid pressure ; the performance of the multiphase pump can also be improved by means of rational design of buffer vessel and homogenizer

    試驗分析認為，氣液混輸工況下，提高泵轉速可以提高增壓，在一定程度上能改善多相泵的工作性能；含氣率一定時，增加進口壓力，可使多相泵增壓值增大，泵效明顯增加，最大含氣率點后移，但含氣率很高時，存在氣液壓力相匹配問題；改進緩沖罐和均化器的設計，有利於氣液互相夾帶，避免氣囊產生，可改善多相泵的輸送性能。
  4. The measuring device cooperating with displacement sensors and prepositive device can monitor vibration signals including peek - peek value and average value etc. besides, it can auto - detect the distance that the sensor installed with and alarm if the interval exceeds the alarm value

    該測量儀與位移傳感器及前置器配合使用，能夠在線監測包括振動峰峰值和平均值等振動信號量，同時測量儀可以自動檢測傳感器安裝距離，在危險的情況下可以根據事先設定好的報警值進行報警。
  5. In the paper, with system energy balance method and heat conductive equations ， on tne basis of short time heat transfer modeling established the long time modeling, considering heat interference in thermal well group. this paper used the finit element method for element division and computer analysis, and provided the operation temperature figure. acquired computation values agreed well with experimental results, the most difference between them was 5. 13 %

    本文採用系統能量平衡結合熱傳導方程，在淺埋套管式換熱器短期傳熱模型基礎上建立了長期傳熱模型，並考慮了管群熱干擾對模型的影響。並運用有限單元法軟體編程進行離散和計算機分析，得出模擬溫度場，其模擬值與實測的均值基本相符，兩者最大誤差小於5 . 13 % ，表明該模型具有一定的合理性和實用意義。
  6. The double talk detector computes a squared norm of the filter weight vector and detects an increase of the squared norm in order to detect double - talk status

    其中一雙方交談偵測裝置會計算濾波器權值向量所對應的方均值差量，並利用於偵測一雙方交談狀態。
  7. In hardware, we choose anti - disturbance photoelectric isolative sensor, take rc filter to resolve high - frequency for anti - disturbance. in software, we adopt arithmetic of recursion mean value to collective signal values to resolve low - frequency ac and pinnacle pulse disturbance

    在硬體方面，選用抗干擾能力強的光電隔離電量傳感器，並採取rc濾波抗干擾措施解決中高頻干擾問題；在軟體方面，對採集到的信號量採取遞推平均值演算法，解決低頻交流和尖峰脈沖干擾問題。
  8. Through the theory of light radiation and intensity, we can use the fewest leds to satisfy the luminous intensity demand. through image segmentation theory, we can accurately pick module up from the test stripe when it is put in wrong directions. through image processing theory, we can acquire correct information and avoid the bad effects from the asymmetric chemistry reaction and instability of the devices

    用光的輻射和強度理論，我們計算出了獲得足夠圖像強度所需的最少光源;用圖像分割理論，我們在試紙條傾斜放置或有垂直方向上的偏移時，準確地提取出了各模塊的數據;用平滑濾波和均值濾波理論，我們濾除了由於反應不均勻及硬體設備不穩定帶來的噪聲;用交遇區設計線性分類器的方法，我們降低了有限樣本設計線性分類器帶來的誤差，提高了檢驗準確度。
  9. To make the prediction values with independence of the general trend, which is changed from year to year, the load data are transformed by profiles, mean value, and variance. sofm is used for the prediction of profiles and mlp networks for prediction of daily mean and daily variance. at a result, load forecasting for 24 hours in a day can be gotten

    為使預測值不受負荷逐年變化這一趨勢的影響，把負荷數據變換為特徵、均值和方差的形式，利用白組織競爭網路預測負荷的特徵，然後利用多層感知器網路預測負荷的日均值和方差，最終實現對一大24小時負荷的預測。
  10. It is not an average ; it represents the last observed value

    此計數器不是平均值；它表示最近觀察所得值。
  11. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性，首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型；同時，從s維樣本空間的f ~ c -劃分幾何特性出發，提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法；對一個待診斷樣本，設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  12. Secondly, introduce discrete multi - tone modulation principle in detail, have a systemic and comprehensive analysis and explanation on minimum mean square error ( mmse ) channel shorten time domain equalizer design methods which are based on all kinds of cost functions, analyze their advantage and disadvantage. research on time domain equalizer structure, compare all the time domain equalization algorithm with simulation which afford a valuable reference for the choice of equalization algorithm and equalizer structure when design time domain equalizer

    詳細介紹離散多音頻調制原理，對mmse通道縮短法和基於其他代價函數的時域均衡器設計方法的進行了系統全面的分析和闡述，分析了各自的優缺點；對時域均衡器結構進行研究；模擬比較了各種時域均衡方法，為進行時域均衡器設計時均衡演算法、均衡器結構的選擇提供了有價值的參考。
  13. We optimized to derive the merv input shaper and compare it to other input shapings. through the comparison, we can find out that the merv shaping yield the better performance than the others. we can also derive the hybrid input shapers if we simplify the optimal process

    並應用merv （最小余振平均值）輸入成型方法，以磁頭定位系統為模型，通過數值優化過程求解出最優的merv輸入成型器和次最優的混合輸入成型器。
  14. At noon the spaces between the sensors will hide fluctuations that the computer will not know about, tiny deviations from the average

    正午時分，傳感器之間的距離會掩蓋計算機無法知道的波動、任何偏平均值的變化。
  15. Secondly : i choose a non - linear filter named hybrid filter which combines linear and nonlinear filters is proposed for print gray image, it performs better than average fil ters and median filters on noise reduction. while retaining edges of an image. i suggest a modified version and fast implementation of this filter improve its performance. because of its reduced computation complexity, this filter excels in real - time tasks

    因為噪聲時常包含非線性問題，針對這種情況，既要抑制噪聲，又要保護圖像邊緣，本文採用一從度指紋圖像上噪處理研究種基於線性，非線性的混合濾波器演算法，該演算法比均值濾彼器，中值加權濾波器，格形濾波器，具有更好的抑制噪聲的能力，不但較好的保持圖像地邊緣，而且能反映圖像的幾何結構和細節特性。
  16. The external air temperature can be measured by a simple external air sensor and a pc can continuously register and average them

    室外氣溫可以用一個簡易的室外空氣傳感器測量，計算機可以連續記錄並進行平均值計算。
  17. Afterwards, in order to decrease the contradiction between the more complex and mass remote sensing image data and relatively slow speed of information extraction, an improved sfim image fusion method is proposed. this modified algorithm is on the base of sfim fusion technique, combines ihs method and sfim method and then replaces the former mean filter by an adaptive weighted mean filter. compared with the results of several common fusion techniques through a set of simulation tests between multispectral images and panchromatic images, it is proved that the new method can get an excellent result for the aim of improving spatial resolution while preserving the spectral information of multispectral images

    論文的主要工作和成果包括：在像素層，論文研究了多傳感器數據融合理論及遙感圖像預處理的過程和步驟，歸納了多源遙感圖像像素層融合的常用演算法，並針對目前遙感數據呈海量化、復雜化這一發展趨勢同遙感信息提取的能力和效率滯后這一矛盾，在sfim演算法的基礎上，將ihs變換與sfim相結合，將原演算法中的均值濾波器改進為自適應加權均值濾波器，提出了一種改進的sfim演算法，通過對一組多光譜圖像和全色圖像的雙傳感器融合模擬對比試驗，證明了該演算法在保持原多光譜圖像光譜信息的同時，能夠有效提高融合圖像的空間分辨能力。
  18. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面： 1 、針對頻率選擇性衰落通道：結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法，與傳統方法相比，該方法計算量更小，收斂速度更快，性能更優，且對系統階次的過確定表現穩健，具有實際均衡應用價值； 2 、針對時間選擇性衰落通道：提出一種基於迫零均衡的時間選擇性通道均衡方法，演算法結構簡單； 3 、針對時變色散通道：利用瞬態均值曲線提取通道時變信息，對之ar建模，利用卡爾曼濾波器跟蹤時變通道抽頭變化，可以快速跟蹤通道變化；基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法，提出了新的單輸入多輸出色散時變通道均衡與識別演算法，同樣具有對通道階次過確定保持穩健的優點；結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法；研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題，給出一種時變系統處理模型。
  19. The meter adopts digital synchronous sampling and micro technology to accurately measure true rms of transformer ' s primary voltage, current, power, power factor, true rms ( ac ) or average ( dc ) of secondary voltage and current, true rms of secondary voltage ripple

    該系列儀器採用數字同步采樣及微機技術，能準確測量變壓器的初級電壓、電流、功率、功率因數的真有效值，次級電壓、電流的真有效值（交流）或平均值（直流） ，次級電壓紋波的真有效值。
  20. In the designing of priority for the transmission ratio, the usage of gear ' s attest on transmission ration should be considered ; the average value is set as the evolution aim of the loss of driving power and the useful effectiveness. a simplified fuel - consumed economically model is used to simulate the fuel consumption while the automobile is in motion

    在變速器傳動比優化設計中考慮檔位使用率對變速器傳動比的影響，採用驅動功率損失率和有效效率利用率的加權平均值作為評價指標，用參數樣條函數模擬車速狀態下的燃油消耗量，提出了按變速器傳動比的使用率來確定汽車的加速和等速的比例，並將其作為實際工況來確定汽車的實際燃油消耗率。
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