熵波 的英文怎麼說

中文拼音 [shāng]
熵波 英文
entropic wave
  • : 名詞[物理學] entropy; thermal charge
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  1. Different bit rates are allocated to wavelet blocks according to energy the wavelet blocks include. bit rates in wavelet blocks are adaptively adjusted in coding process. by use of bipartition, the entropy of each wavelet block approximates to the target bit rate of one

    該演算法首先根據每個小塊所含能量的多少和到每個小塊實際編碼所用的比特數,給其分配不同的碼率;然後根據二分法,通過調整各小塊的量化因子使得各小塊的逼近它的目標比特率。
  2. The entropy density is constant ahead of the shock.

    沖擊前方的密度是恆定的。
  3. Study on neural excitatory transmission by wavelet entropy analysis of postsynaptic potentials

    中樞興奮性傳遞的突觸后電位小分析研究
  4. For example, michal horodecki of the university of gdansk in poland has shown that the holevo chi can be used to analyze the problem of compressing quantum states produced by a quantum information source, which is analogous to the classical data compression considered by shannon

    例如蘭格但斯克大學的何洛德次基證明,何勒夫可以用於分析如何壓縮來自某量子資訊源的量子態,就好像夏儂可以用於分析古典數據壓縮。
  5. Visar - measured wave profiles on the free surface of target were profiles with an initial velocity jump followed by a smoothly - rising front to the peak velocity amplitude, showing that quasi - isentropic loading has been successfully generated

    Visar測試得到的是陣面上升前沿被明顯展寬的準等壓縮,最高的擊靶壓力達到了260gpa 。
  6. The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested

    在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加濾和梳狀濾的濾方法,改進了濾效果; 4 )通過檢測圖像信息實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進行定量檢測。
  7. Based on wavelet packet decomposition ( wpd ), entropy threshold method ( etm ) has been put forward to reject the discrete spectrum interference ( dsi ) in on - line pd monitoring

    首次提出用於抑制局部放電在線監測中周期性窄帶干擾的小包變換閾值法( etm ) 。
  8. With the frequency division of wpd, etm uses shannon entropy as the criterion of determining whether or not dsi exist in certain wpd tree nodes and interference are suppressed successfully. lots of simulation data, lab data and on - site data have indicated that etm works with good efficiency, without pre - knowing of dsi information, extracts the phase of pd pulses accurately and can calibrate quantity of single type discharge

    大量的模擬數據、實驗室實測數據以及現場實測數據處理結果表明,小包變換閾值法抑制干擾能力強,無需事先確定干擾的分佈,能夠準確檢測局部放電信號的相位信息,對于單一的放電類型,可以確定放電量的大小。
  9. The problem discussed in this paper is to separate two ( or more ) input signals from observed signals which are generated by passing input signals through diffrent unknown multi - input multi - output linear systems. it is proved that the input signals can be separated when they are independent identitically distributed ( i. i. d ) signals. a new algorithm for multi - input multi - output blind deconvolution via maximum entropy is presented which needs no information about the input signals and mixing filters

    本文研究的問題是從觀察信號中分離出兩個(或者更多個)輸入信號,其中每一組信號分別通過不同的未知多輸入多輸出線性系統.本文證明了當輸入信號是兩兩相互獨立的獨立同分佈信號時可以分離出輸入信號,並導出了基於最大的多輸入多輸出盲解卷新演算法.這個演算法不需要任何關于輸入信號和混合濾器的先驗知識
  10. High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained

    採用化爆加載、平面發生器和空腔增壓技術,以黃銅為飛片,無氧銅為靶板,測量了抗氫鋼( hr2 ) 、重玻璃( sio _ 2 ) 、鋁合金( ly12 lf6 ) 、鎂鋁合金( mb2 ) 、有機玻璃( pmma ) 、空氣( air )和無氧銅( ofhccopper )各阻抗匹配樣品中的沖擊速度,上述材料的hugoniot狀態參數c _ 0 、均為已知,由此確定了無氧銅的沖擊加載壓力和等卸載后的狀態,得到了等卸載路徑。
  11. In this paper, management entropy theory and its integrated evaluation system was introduced into enterprises ’ human resource and its management evaluation process, and we revealed the law of the decrease in the efficiency of human resources management systematically when enterprises ’ human resource and its management were under a closed system ; but in an open system, because of the exit of management dissipation and dissipation structure, human resource management system exchange materials, energy and information with the outside world constantly, the rule makes negative management entropy and management entropy showed shiftily in an enterprise

    本文將管理理論的企業綜合集成評價體系引入到企業人力資源及其管理的評價中,系統地揭示企業人力資源及其管理在封閉系統地狀態下,人力資源管理效率遞減的規律;而在開放系統中,由於管理耗散、耗散結構的存在,人力資源管理系統通過不斷與外界進行物質、能量和信息的交換過程,使得管理負處于交替運動的狀態,人力資源及其管理效率呈現浪式運動的特徵。
  12. The paper discusses the maximum entropy spectral estimation algorithm and its application in icw ( interrupted - continuous wave ) radar in the aspect of theoretics and engineering

    論文從理論和應用兩個角度對最大譜預測外推演算法以及在中斷連續雷達中的設計實現進行了研究。
  13. Results indicate that with the approximation of _ ( 0 ) _ ( 0 ) - grtlneisen equation of state is usable to describe the release isentrope of ofhc copper in the present pressure range. in addition, the difference ( w - 2u ) becomes greater with the increase of shock pressure, where w is the measured particle velocity at the final release state ( 1 atm ) and 2u is computed from the mirror line of hugoniot

    卸載路徑的計算和分析表明:在所研究的壓力范圍,無氧銅的等卸載過程用gr neisen狀態方程在_ 0 _ 0 =近似下的描述是適用的;卸載到一個大氣壓的終態粒子速度w與鏡像反演的粒子速度2u的偏差,隨沖擊壓力的增加而增大。
  14. A timescale algorithm based on wavelet entropy

    一種基於小的時間尺度演算法
  15. Using the proposed entropy minimization rule, the parameters of the wavelet filter are optimized

    採用最小方法對小器參數進行優化。
  16. Moving object detection adopts a method of dynamic difference background image, whose principle is to calculate difference picture among the current frames and background images and take the motion adjudging threshold which owns maximum information entropy to determine moving area ; and dynamically updates background by using kalman filter. thus, the system realizes the judgment of the moving area under the complicated changing background

    運動目標檢測採用動態差分背景圖像法,其原理是利用序列圖像中當前幀圖像減去背景圖像,並採用使信息最大化的運動判決門限判定運動區域;採用kalman濾動態背景生成實現了背景的動態更新;從而實現了復雜變化背景下圖像運動區域的判決。
  17. The major contributions of the dissertation are as follows : 1. it is well known that the multi - value cdma spreading codes can be designed by means of a pair of mirror multi - rate filter - banks based on some optimizing criteria. the dissertation indicates that there exists a theoretical bound in the performance of its circular correlation property, which can be described by an explicit expression. based on this analysis, a criterion of maximizing entropy is proposed to design such codes

    研究了基於兩帶鏡像多速率濾器組來設計的多值cdma擴展碼的方法,並推導出了基於這種方法設計的碼序列在循環相關特性方面所能達到的極限,以及達到此理論極限時應滿足的條件;在此基礎上,提出了一種基於最大化準則來產生cdma擴展碼的設計方法。
  18. In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area

    從流體力學來看,它事實上是熱力學第二定理的反映,即越過激(一種間斷)要增加。各種估計格式構造的估計解應反映這一事實,即滿足不等式。從實際計算來看,總是通過離散化求解,不考慮計算的積累誤差,它的穩定性與計算精度都依賴與真解的光滑性,一般說,在解較光滑的區域有較好的穩定性與計算精度,而在較粗糙的區域則相反。
  19. In this paper, we described the two categories of algorithms, especially the fbp algorithm and the emml algorithm. and this paper introduced a new algorithm called maximum entropy ( me ) algorithm. at last, we experimented on computer using some algorithms and got some useful conclusion

    本文分別詳細介紹了兩類演算法中常見的一些演算法,如濾反投影法( fbp )和最大似然法( emml )等,並且在此基礎上提出了一種新的演算法? ?最大法。
  20. According to the description of fcd 15444 - 1, a j2k coding model is put forward. that is the innovation aspect of this paper. processes in the model such as discrete wavelet transform, quantization, arithmetic entropy coding, tiling etc are analyzed

    本文提出了一個實現fcd15444 - 1的j2k編碼模型,並對該編碼模型中的離散小變換、標量量化、算術編碼、分塊以及其他過程進行了分析,並且本文給出了該模型編碼解碼的各個部分的相關實現。
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