預解調參數 的英文怎麼說

中文拼音 [yùjiědiàoshēnshǔ]
預解調參數 英文
pre demodulation parameter
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 解 : 解動詞（解送） send under guard
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 參 : 參構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 解調 : demodulation; countermodulation; demodulating; decode; detect; [訊] restitution
  1. In order to geosteering, log - geology model of target formation should be built according to logging data and the interpreting result of wells nearby. geosteering parameters model is created to build simulative curves. compared these curves with logging curves, the position and drilling direction of the bit can be found combined with the concrete geological situation

    要實現地質導向，首先要根據鄰井的測井資料及其解釋結果建立目標層測井地質模式，然後通過建立地質導向參數的預測模型構造相應的模擬曲線，將模擬曲線與實測曲線進行對比，結合具體地質情況，確定鉆頭在目標層中的位置及其鉆進方向，及時調整井眼軌跡，使其始終保持在目標層中物性最好的部位。
  2. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點，解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程，同時對線性區的增益進行了計算。理論分析表明，場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。
  3. Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted

    具體來講，根據w - w的五參數混凝土破壞理論，建立混凝土的開裂準則，根據開裂應變值來判斷裂縫是張開還是閉合，從而在兩者基礎上建立了裂縫的開裂預測模式，總共有16種開裂模式；裂后根據具體的開裂模式及殘余抗剪能力來調整混凝土的本構關系矩陣，即用等效剛度代替原有剛度，考慮到垂直於裂縫方向的剛度為零，這樣會使裂后的總剛出現病態，為此文中通過引用鬆弛系數來對出現裂縫的單元進行預處理，一方面可解決因過大的舍入誤差導致計算結果的不可信問題，另一方面就是可加速收斂。
  4. The optimization model of the cable tensile force is established, resolving the ideal finished state of considering syntheticly the requirement including the dead load, active load and presress of structure, meanwhile, providing a forward - calculating method for determining the rational construction state on the foundation of the optimization model. on the other hand how to determine and adjust the important parameter, the cable midst tensile forces and the main feam form setting levels in constructing cable - stayed bridge, has also been analyzed, besides, the corresponding calculation method is introduced and applied to the actual construction controlling of xian tao han jiang highway bridge well

    本文以仙桃漢江公路大橋為工程背景在斜拉橋設計計算方面進行了的研究，建立了斜拉橋索力優化模型，一方面解決了能綜合考慮結構恆載、活載及預應力等多方面因素的理想成橋狀態確定問題；另一方面在確定合理施工受力狀態問題上提出了一套以索力優化模型為基礎的正裝計演算法。同時對斜拉橋施工中關鍵參數斜拉索中間索力和主梁立模標高的確定和調整做了進一步的分析，提供了相應的計算方法，並應用於仙桃漢江公路大橋施工控制過程中，取得了良好的效果。
  5. Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method

    本文基於netomac模擬軟體，以發電市場預調度計劃模型及演算法、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容，主要做了以下工作：建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃模型，並根據預調度計劃問題狀態數多、變量多、混合整數、非解析的特點，將預調度計劃模型的目標函數簡化為各時段的市場清算電價最小，設計了三段式預調度演算法：用靜態規劃法求解整個預調度計劃周期內的優化問題；用優先級法求解機組組合問題；用改進的powell法求解最優潮流問題。
  6. This theses mostly studied a series of arithmetic of image preprocessing, image segmentation and image matching for image data, referring to advance image processing technique overseas at present. regarding the real - time image measurement system as the tool for debugging, it finds appropriate arithmetic to process real - time image and applies them to actual hardware equipment. the system has higher precision and more real - timely

    本論文參考當前國外先進的圖像處理技術，研究了圖像數據的預處理、圖像分割、圖像匹配等主要演算法，並以實時圖像跟蹤測量系統作為硬體調試平臺，比較出適合實時圖像處理的演算法並將其應用到實際的系統硬體設備中，使準確性更高，實時性更強，解決了實時圖像處理在4對比度下的目標探測問題。
  7. In the second part, the necessity of employing differential demodulation in rapid changing channel was explained, performance of multiple symbol detection of mdpsk and decision feed back multiple symbol detection were analyzed. then we present a new differential demodulation algorithm. the decision data is used to recover the carry phase. given the same observation intervals, this demodulation algorithm has almost the same performance, but the receiver is much more simplified

    第二章首先指出了通道參數變化劇烈的情況下，採用差分解調的必要性；分析了多碼元差分解調和數據判決反饋解調演算法的性能和抑制噪聲的能力；在此基礎上提出了一種新的差分解調方案：利用判決數據輔助進行載波恢復，即在判決數據的輔助下，採用fir （ finantimpounsrespouns ）結構對載波相位進行預測的一種演算法，精心設計了該演算法的實現結構。
  8. At the basis of analyzing the present situation of flood system and the necessity of system building, combining with the principle of uniting theory with practice, and from the angle of exploiting and utilizing water resources as well flood control and drought resistance, as a essay of a postgraduate, this article places stress upon researching and probing into following aspects : 1. real - time flood forecasting and reservoir operation system design

    筆者參與了系統總體框架設計，結合鬱江流域實際情況，對南寧以上流域產匯流規律進行了研究，重點解決了該流域洪水預報模型參數的率定、實時校正模型的選用及洪水預報、實時校正和水庫調度等模塊耦合中的主要技術問題。
  9. They imagine that the standard model has limited predictive power, or that its content is arbitrary, or that it can explain anything by adjusting of some parameter

    他們認為標準模型的預測能力很有限，或者它的內容可以任意更動，要不然只要調整參數它就可以解釋一切事情。
  10. The processing techniques to manufacture gap net polymer and gap fuel - rich propellant were determined by means of careful selections of curing parameter, proper curative and crosslinking agent, addition of stabilizer and etc. the mechanic property of gap propellant was modified by addition of chain extender. as a result, the gap fuel - rich propellant was developed. by means of dsc and pdta methods, the thermal decomposition characteristics of gap model fuel - rich propellant and its ingredients at both 0. 1 and 0. 5 mpa were investigated

    通過調節固化參數，選擇合適的固化劑和交聯劑體系，添加安定劑以及改進工藝步驟等方法，解決了gap預聚物及gap貧氧推進劑制備工藝中的關鍵技術；採用添加擴鏈劑的方法改善了gap貧氧推進劑的力學性能；最後研製出一個可實用的gap貧氧推進劑配方。
  11. The difficulty in assessing growth high - tech enterprises is lack of comparable companies and historical data, effective methods to measure growth, and methods to define income exactly, etc. as the pioneering securities market has not been established in this country, if we want to apply market methods to growth high - tech enterprises assessment, we could only take enterprises in main securities market as reference and must adjust factors, say, methods to select referenced companies, value proportion multiple, option value of exchangeable stock

    成長型高新企業價值評估的難點在於缺乏可比公司和歷史數據，預測未來收益難度大，對成長性缺乏有效的度量方法，以及存在著收入確認問題等。利用市場法對成長型高新企業進行價值評估，由於我國目前尚未建立創業板證券市場，現階段的解決方案仍舊只能以主板市場的企業作為參照公司，但是要對參照公司的選取、價值比例乘數、可交易證券的期權價值等因素進行調整。
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