能通量矢量 的英文怎麼說

中文拼音 [néngtōngliángshǐliáng]
能通量矢量 英文
energy flux vector
  • 能 : 能名詞（姓氏） a surname
  • 通 : 通量詞（用於動作）
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 矢 : Ⅰ名詞1. （箭） arrow 2. （尿） excrement; dung; feces 3. （姓氏） a surname Ⅱ動詞（發誓） vow; swear
  • 通量 : [物理學] flux; shower
  1. Experiments show that the efficient motion estimation algorithm proposed can further reduce block matching distortion computations relative to conventional fast motion estimation algorithms with neglectable coding efficiency loss ( within 0. 1db )

    提出一種基於節點模型的可變形塊匹配運動估計演算法來搜索最佳運動矢量。實驗表明，在編碼性能損失很小的條件下，可以使得運動搜索塊匹配的運算量在通常快速運動搜索演算法的基礎上下降61 % 。
  2. The paper is mainly based on geography, ecology, sight ecology, region location theory and system theory. by interpreting the mss remote sensing image of 1970s and the tm remote sensing image of 1980s and the end of 1990s in keerqin sandlot based on background database and expert information, we have achieved the three periods vector data of land desertification of the research area, then we have disposed the data property by using the powerful spatial analysis function of arc / info and achieved the information extraction and analysis supported by arcview and erdas imagine. thus the rule of temporal and spatial variation of land desertification in keerqin sandlot is researched and the blueprint and countermeasures of the prevention and treatment of land desertification in keerqin sandlot are put forward

    本研究主要以地理學、生態學、景觀生態學、區位論和系統論為主要理論支持，通過對科爾沁地區20世紀70年代的mss遙感影像、 20世紀80年代和90年代末tm遙感影像進行基於背景數據庫和專家知識的解譯，獲得科爾沁研究區土地沙漠化的三期矢量數據，利用arc / info軟體強大的空間分析功能對屬性進行處理，並在arcview 、 erdasimagine軟體的支持下進行信息提取與分析，研究了科爾沁沙地土地沙漠化時空變化的規律，提出了科爾沁沙地土地沙漠化防治的構想與對策。
  3. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。
  4. There are two kinds of retrieval model, full text retrieval and content retrieval, and the vector space model ( vcm ) of the latter is a widely - used method with better effect. the best excellence of vcm is the predominance of knowledge presentation, which expresses documents with vectors in vector space and changes the comparability issue to the distance of vectors, and thus reduces the complexity of documents matching. however. we can not affirm the absolute effect of it, and in this thesis we prove its nonproficiency through experiments

    向量空間模型最大的優點在於知識表示方法上的巨大優勢，用n維空間的向量表示文檔，用向量之間的夾角表示文檔的相似度，從而將文檔信息的匹配問題轉化為向量空間中的矢量匹配問題，將難以計算的文字量化成很容易計算的實數，使問題的復雜性大大減小。但是，並不能夠說目前的向量空間模型是最理想的，本文通過實驗證明了vcm表達信息的不精確性。
  5. As a non - linear and multi - coupled system, the control of the ac induction motor ( acim ) has long been challenging. thanks to the vector control algorithm, acim can offer the same control capabilities and dynamic performance as traditional high - performance dc motors. with the vector control algorithm, the stator current of acim can be expressed in two orthogonal axes, and thus the rotor flux part and torque are de - coupled

    交流感應電機難于控制是因為它是一個非線性、多耦合的系統，矢量控制演算法通過坐標變換將異步電機的定子電流分解為轉子磁鏈方向和與之垂直方向的兩個分量分別進行控制，從而實現轉子磁通和轉矩的解耦，使得交流感應電機的動態性能可以和直流電機媲美。
  6. By high frequency injection method and a kind of magnetic anisotropy of pmsm, the rotor saliency position can be calculated in the pmsm sensorless vector control system

    摘要通過注入特定的高頻電壓信號，利用電機的各向異性以確定轉子的凸極位置，在同步電機無傳感器矢量控制中，對包括零速度在內的所有速度下都能獲得精確的轉子位置信息。
  7. Three propositions are proposed based the vector base network. cognition of human being and vector base cognition model are compared, the corresponding connection is created. 7 ) the application for rubber mixing process is given : abnormal modeling samples first removed, svm is applied to build the discharge model to establish the rubber discharge condition, and long term practical production validated the discharge modeling method ; adopting dynamic rkrls and rsvm, mooney time serials is used to model and predict, which shows better prediction ability than rls ; using v

    7 ）將本文演算法在橡膠工業的密煉過程得到實際的應用:在排除異常樣本點的情況下，利用5vm的工業特性，進行排膠點的建模，獲得好的應用效果:利用動態的rkrls和rsvm演算法，通過對橡膠棍煉質量的門尼指標進行建模和預測分析，表明演算法具有較好的跟蹤預測性能;利用矢量基學習網路對密煉過程的門尼進行辨識建模和預報，獲得了較好的效果，從而實現了更好的門尼波動的控制。
  8. Usually, single vector sensor will obtain infinite gain if noise energy flow can be counteracted in whole space

    在理想情況下，若噪聲場為各向同性噪聲場，則通過聲能流長時間積分，單個矢量水聽器便可獲得無限大的增益。
  9. On the other hand, in the approach based on vector - matrix, through several special operations on vector - matrix, we have constructed a sparse ‘ 0 ’, ‘ 1 ’ parity - check matrix with dual diagonal matrix whose structure can easily construct the code. the simulation results have demonstrated the performance of this approach is similar to that of - rotation while the complexity is also higher. this problem is to be solved in the future research

    在基於矢量矩陣的結構化方法中，通過對矢量矩陣進行一系列特殊處理可以構造出稀疏的『 0 』 、 『 1 』校驗矩陣，而校驗矩陣中的雙對角結構易於構造出相應的ldpc碼字，模擬表明，採用矢量矩陣的結構化方法具有和-旋轉構造法相當的性能，但是實現的復雜度大於-旋轉構造法，同時碼率和碼長受到一定的限制，這也是未來需要研究的方向。
  10. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  11. By the similarity partition of network traffic usage space, the codebook of vq can describe the network traffic usage profile accurately and achieved the usage space index via the vq

    通過相似性劃分用戶行為空間，矢量量化的碼書（ codebook ）能夠精確的描述用戶行為模式輪廓，實現了面向異常度量的網路業務量用戶行為空間索引。
  12. With the modeling versatility in disk geometry and material, the 3 - d hybrid method can simulate accurately the readout of an optical disk with direct investigations on the 3 - d full - wave near - field distribution, the far - field pattern and the readout signal

    基於其在模型設定方面很好的通用性，此方法能夠準確的模擬光盤光學信號讀取過程，並能夠直接給出三維近場全矢量衍射分佈、遠場矢量衍射圖樣及輸出信號。
  13. Cfd is also used to get the data of performance parameters of the nozzle at different nozzle pressure ratio, different nozzle area ratio and different geometric defected angle. the theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated

    本文通過cfd計算獲得矢量噴管的性能參數，如流量系數、推力系數以及有效推力矢量角等與矢量噴管壓比、面積比以及幾何偏轉角之間的關系數據，並利用函數逼近理論建立了矢量噴管的動態數學模型。
  14. And pick - up the information system needed, vectorization and design according to themes, and the output of productive maps by arcview gis3. 2 combining with the research achievement of the internet - bar management presentation of taian city after correction, matching, mosaic, convolution, resolution, making dom etc. then, the integer design and the particular design have completed and the functions of inquiry, editing, statistics and analysis to internet - bar information have realized

    通過糾正、配準、鑲嵌、濾波、融合等工藝製作正射影像圖（ dom ） ，結合泰安市網吧管理現狀的調研結果，運用arcviewgis3 . 2軟體對遙感正射影像提取出系統所需要的信息，分層矢量化和分層設計，輸出成果圖。在此基礎上，運用arcview3 . 2軟體進行泰安市網吧地理信息系統的整體設計和詳細設計，實現對網吧信息的查詢、編輯、統計和分析等功能，並由此為公安、文化、工商等泰安市網吧管理行政部門提出合理化建議。
  15. On this basis, the color characteristic in this system we extract is : a 72 bit vector of one dimension by statistical color histogram in hsv space ; a set of color average of sub - images and a set of position of sub - images by dividing the original image and using statistic information of pixels " color ; a set of representative color of an image using a suitable cluster algorithm in the hsl space

    基於這方面的考慮，提取圖像的顏色特徵有：在hsv顏色模型空間中進行顏色直方圖統計得到一個72bit一維矢量；將圖像在縱橫方向進行平均分割，以各個分割快中像素的色彩平均值和分割塊在圖像中的位置作為圖像的像素坐標空間特徵；在hsl顏色模型空間，通過適當的聚類分析演算法提取出能夠代表圖像顏色特徵的代表色集。
  16. Considering muti - station of communication systems, a kind of vector graph ' s connection project is presented, which can unite fast two or more maps as a big electronic map, having great adaptive ability and flexibility

    根據大慶石油管理局通信站的實際情況，設計了一種具有較強適應性和靈活性並具有抗干擾能力的矢量圖形的拼幅演算法。實際應用結果證實了拼幅演算法的有效性。
  17. In order to apply the central scheme to higher mach number flows, the sensor about pressure or temperature are modified with some tvd - like properties. modification to van leer scheme about the energy component can preserve a constant total enthalpy in the steady flows

    對vanleer格式中的能量分裂式進行改進，使其在定常流動中總焓守恆；採用統一的通量矢量函數，最大程度地實現了流場程序向量化，計算效率得以提高。
  18. Some software composing technologies, such as database, dynamic link library and multi - thread, are mainly discussed. with the united application of different kinds of composing software, some new functions are practiced in this courseware, such as tts ( text - to - speech ), vectorial scale of graphics and answer judging

    本文重點對軟體編制過程中的數據庫、動態鏈接庫、多線程等技術進行探討，通過軟體的聯合運用，在課件中實現了語音合成技術、圖形的矢量放大、答題判斷等新功能。
  19. Additionally, the mutual coupling characteristic of adaptive antennas is analyzed by mom and equivalent network method, and the data model is built considering the mutual coupling of antennas arrays. the effect of mutual coupling on music algorithm is also studied, and we get a method to find the mutual coupling matrix based on music algorithm. finally, the effects of mutual coupling and rf channel imbalances on td - scdma are investigated, which will provide a reference for system design

    最後在矢量通道模型分析基礎上，深入地研究了td ? scdma系統中自適應天線與聯合檢測相結合技術，從系統矩陣和誤碼率模擬兩方面考察了自適應天線對聯合檢測性能的改善，並分析了陣列互耦和射頻通道校準誤差對td ? scdma系統上行性能的影響，為系統設計提供了依據。
  20. The simulation results prove that among the three precoding algorithms, lll precoding strategy demonstrates the best ber performance. and the simulation results also tell us if lll precoding algorithm is combined with the v - blast detection, the performance of the precoding system will be improved by the v - blast lll precoding strategy

    與v - blast演算法相結合的格約簡輔助矢量預編碼演算法由於在v - blast中根據當前通道狀態特徵，在預編碼時對信號進行重新排序，因此提高了預編碼性能。
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