source distortion 中文意思是什麼

source distortion 解釋
源失真
  • source : n 1 源頭，水源，源泉。2 根源，本源；來源。3 原因；出處；原始資料。4 提供消息的人。5 血統。vt 〈美...
  • distortion : n. 1. 歪扭，扭曲。2. 【電學】（信號、波形等的）失真；【物理學】（透鏡成像產生的）畸變；【醫學】扭轉，變形。3. 竄改，歪曲，曲解。adj. -al
  1. The rate - distortion function, and source coding theorem

    率失真函數和信源編碼定理。
  2. In packet based wireless video communications, when best band distribution, not only source distortion should be considered, but also channel distortion caused by channel errors. the existing macroblock - layer rate control schemes calculates quantization parameters of all macroblocks ( mb ) in a frame in a raster scan order, and then encodes the mbs in the same order. actually, the quantization distortion is heavily dependent upon the coding order of mbs

    在基於包的無線視頻傳輸中，最佳帶寬分配時，不僅要考慮信源編碼失真，也要考慮由於通道差錯引起的通道失真；已有的宏塊層碼率控制演算法以矩陣掃描的順序計算一幀中所有宏塊的量化參數，事實上量化失真與宏塊的編碼順序有很大關系，改變宏塊的編碼順序，使復雜的宏塊分配到更多的比特數，顯然能大大提高編碼效率。
  3. The main limitation of a intensity - modulated - continuous - wave laser rangefinder is the leakage distortion created by the high frequency current source which modulates the laser diode

    在調強連續波激光測距系統中，調制激光器的高頻電流源產生的泄漏干擾是影響測距精度的主要因素。
  4. In this circuit, we use many kinds of negative feedback to modify the ou tput wave, which can decrease the distortion. and we use the high - voltage and high frequency capacitance efficiency, which can decrease the disturbance of output signal of variable frequency source for the test of part discharge

    採用了多種負反饋迴路修正輸出波形，使得輸出電壓波形的失真度很小；並且在電路中有效利用高壓高頻電容，減小了變頻電源輸出的電壓對局部放電試驗時的干擾。
  5. For low distortion, the drains ( or collectors ) of a differential amp " s front - end should be bootstrapped to the source ( or emitter ) so that the voltages on the part are not modulated by the input signal

    為了得到低失真，差分放大器前端的漏極（或集電極）應該被引導到源極（或射極） ，這樣埠電壓就不會被輸入信號調制了。
  6. Second, since input bias currents are not always small and can exhibit different polarities, source impedance levels should be carefully matched to minimize additional input bias current - induced offset voltages and increased distortion

    其次，因為輸入偏置電流不一定都小，且可能體現不同的極性，而且源阻抗水平應該仔細地進行匹配，以將輸入偏置電流引起額外失調電壓和增加的畸變減到最小。
  7. The preamplifier will drive a low impedance load without alteration in the signal, in fact it can be used as a current source driving a 0 impedance mixer junction without any distortion

    這個前級放大器能夠驅動一個低阻抗的負載而不會引起信號的變化，實際上它可以用作一個驅動零阻抗混合節點，而又不產生任何失真的電流源。
  8. To put into operation a large amount of non - linear load, make in harmony wave of rural power grids serious becoming in pollution, pass to rural local electric wire netting main in harmony analysis of wave source, put forward in order to restrain from insert rural power grids in harmony wave source voltage total in harmony wave distortion rate and the containing rate change last device number pulsating for increase of goal, increase the pulse of the current change device and install light specified value electricity active wave filter mix with passive wave filter near the harmonics source to control the wave in harmony

    摘要大量非線性負荷的投運，使農村電網的諧波污染日趨嚴重，通過對農村地方電網主要諧波源的分析，最終提出了以限制接入農村電網的諧波源的電壓總諧波畸變率和各次諧波電壓含有率為目標的增加換流裝置脈動數，以及在諧波源附近裝設小額定值的電力有源濾波器配以無源濾波器的混合型電力濾波方式，以進行諧波治理。
  9. There are two types in image distortion : those which are the source of misregistration and those which are not the source of misregistration, image registration is to find proper technique which is suitable for the former while eliminate the effect of the latter

    圖像形變可分為兩類，引起圖像失配的形變以及非圖像失配原因的形變，圖像配準的主要工作即選取適當的方法以適應前者並且盡量減小後者帶來的影響。
  10. According to the carrier wave leakage and mirror wave interference in the signal generation, this paper analyzes the source of waveform distortion and its influence to signal spectrum and pulse compression result

    針對生成信號中存在的載漏和鏡像等失真，本文對波形失真來源及其對信號頻譜及脈壓結果的影響進行了全面分析與模擬。
  11. Electrical and magnetic interaction between strands in a conventional cable is the greatest source of distortion, often causing a somewhat dirty harsh sound

    傳統訊號線其線束之間的電力與磁力交互感應，經常產生粗糙刺耳的聲音，是造成失真的最大原因。
  12. The differences between this method and other similar methods are : ( 1 ) the fast synthetic source record algorithm based on the wave theory is adopted in prestack depth migration. ( 2 ) the plane wave source is used in migration that is consistent with the velocity analysis method. ( 3 ) by using the controlled illumination, the distortion of the plane wave source wavefield due to the lateral velocity variation is avoided therefore the error of velocity analysis is reduced and ( 4 ) the practical velocity spectrum makes the interactive migration velocity analysis feasible and convenient

    與其他類似偏移速度分析方法的不同點在於： （ 1 ）疊前深度偏移採用基於波動理論的快速合成震源記錄演算法； （ 2 ）偏移方法採用平面波震源，與速度分析方法一致； （ 3 ）應用控制照明技術，避免了因橫向變速而導致的平面波震源波場在傳播過程中的畸變，從而減小了速度分析的誤差； （ 4 ）實用的速度譜設計，使交互偏移速度分析可行且易於操作。
  13. Given the multicast request, the optimal object of the problem is to minimize total number of conversions required. in wavelength assignment, we should consider the requirements that the number of needed converters along the path from multicast source node to any member cannot be larger than specified value because of the signal distortion introduced by wavelength converters. at last, we present several dynamic programming to get the exact optimal wavelength assignment scheme under session blocking policy and destination blocking policy

    考慮到波長轉換器引入的信號失真和噪聲，引進了失真約束，即要求從組播源結點到每個組播成員的路徑上使用的波長轉換器數目均在指定的范圍之內;對于給定的組播需求，優化目標是在滿足失真約束的基礎上使整個組播樹上使用波長轉換器的數目最少;並使用動態規劃給出了sbp和dbp兩種連接建立策略下精確的最優波長分配演算法。
  14. The conventional rectifiers produce harmonic problem in power system. while three - phase pwm voltage source rectifiers ( vsr ) can provide constant dc bus voltage and get low harmonic distortion of input current. it also has line power feedback capability

    傳統的整流裝置是電網污染的主要來源，三相電壓型pwm整流器具有輸出電壓恆定、能實現單位功率因數運行的特點，甚至可以實現電能回饋電網。
  15. Taking the hydrostatic equilibrium of axial force of pump dm360 as the example, this paper elaborates design calculation and dynamic - static characteristic analysis of hydrostatic bearing with twisting plate throttle, derives design parameters and formulas of bearing structure, discusses effects of various main factors ( oil viscosity, compressibility, distortion coefficient of twisting plate, pressure of oil source, and bearing clearance ) on dynamic characteristic, and obtains some conclusions about the application of hydrostatic bearing in engineering practice

    本文以dm360型泵軸向力的液體靜壓支承平衡為例，對扭板節流靜壓支承的設計計算和動靜態特性分析進行了較為詳盡的闡述，推導出支承結構的設計參數和公式，討論了各種主要因素（油液的粘度、油液的可壓縮性、扭板變形系數、供油壓力、支承間隙）對支承動態特性的影響，給出了一些結論。
  16. Chinese word - formation and distortion of source word meaning in translation

    現代化歷史進程中的中國話語言說
  17. The distortion of source word meaning in english to chinese translation can be divided into two types : the avoidable and the unavoidable

    源詞在漢譯過程中的扭曲，可分為非必然性和必然性兩類。
  18. Otherwise, an active integral chaotic measuring circuit is suggested based on the analysis of the present nonlinear circuits in this paper, which gets rid of nonlinear distortion of map function in constant - voltage mode and defect of constant - current source operating on - off state. using a general operational amplifier, high precision can also be obtained. a nth - order chaotic measuring system can be composed of its interconnection

    另外，本文在分析原有非線性電路的基礎上提出一種有源積分式混沌測量電路，它克服了恆壓式測量電路映射函數存在非線性失真、恆流式測量電路不宜工作在開關狀態的不足，利用普通的運放也獲得較好的測量精度。
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