調變系數 的英文怎麼說

中文拼音 [diàobiànxìshǔ]
調變系數 英文
modulating coefficient
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Under mixed culturing conditions, it was observed that bacterial number rapidly incre ; ised soon after the lysing of host cells. on the contrary, while the non - host cyanobacterium ( i. e. anabaena flos - aquae ) was incubated in the mix culturing system, the breeding of the bacteria could be inhibited. it may be suggested from the result above that cyanophage could bring about the changes in microorganism populations

    調查結果顯示， 19個採集的水樣中有6個含有裂解織線藻的噬藻體，而且水樣未經濃縮即能裂解宿主，說明噬藻體在淡水中分佈較廣泛，裂解性也較強；混合培養條件下的研究結果表明，噬藻體裂解宿主后，細菌數量快速增加，而當培養系統中有非宿主藻類存在時，細菌的增殖則受到非宿主藻的抑制，說明噬藻體可以顯著改變系統中微生物的種群結構。
  2. The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high

    本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討，在合理的假設前提下，採用「齡期調整的有效模量法」得到的混凝土的本構關系，推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式，並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。
  3. This paper analyzes the factors affecting the controlling precision of sand compactibility system and sets up the dynamic model of regression coefficient between sand compactibility and water content. to prevent the insufficiency or excess of sand water content, the amount of the first addition is set as 80 % of the total water addition amount. after the first water addition, we adopt ar model to predict the stable value of sand compactibility to shorten the time mixing the sand. each time we add water, the correction coefficient is introduced to adapt to the change in the composition of sand. the experiment shows that the mathematics model not only makes the water content in sand reach the best range within shorter time, but also directs how the sand composition should be adjusted, which can better conform to the actual situation

    分析了影響型砂緊實率控制精度的因素，建立了型砂緊實率-水分回歸系數的動態模型.為防止型砂水分不足或過量，將第一次加水量設定為總加水量的80 .第一次加水后，對型砂緊實率穩定值採用ar模型進行預測，以縮短型砂混制時間.每次加水后，引入修正系數，以適應型砂組成的變化.實驗表明，該數學模型不僅使型砂水分含量在較短時間內達到最佳范圍，同時可指示對型砂組成進行調整，能較好地符合實際情況
  4. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied

    在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理，從影響旋噴樁復合地基豎向承載力的因素入手，基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究，提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析，深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定，並提出相應的設計方法和修正參數;此外，結合工程應用，對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。
  5. In consideration of multitype risk in the operation of insurance companies, this paper studies some important variables in insurance business and then comes to the conclusion that the surplus process is related to safe load and individual claim amount distribution when the preliminary reserve is zero while the surplus process is related to adjustment coefficient when the preliminary reserve is beyond zero

    摘要考慮到保險公司同時經營多種不同質風險的情況，本文從保險業務中需要研究的幾個重要變量出發，研究了初始準備金為零時，盈餘過程與安全負荷及個體索賠額分佈有關；當初始準備金大於零時，盈餘過程與調節系數相關等情形。
  6. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  7. In this paper, by using the property of fourier series a compound series consisting of trigonometric series and power series is established

    摘要利用由三角級數和冪級數復合構成的函數項級數的有關性質，得到了一類變系數非齊次調和方程邊值問題的級數解。
  8. By simulating, this paper compared the effect of capacitor compensation to that of svc compensation, the results showed that capacitor compensation add the voltage flash, and svc was the optimal equipment to restrain the flash. furthermore, the smaller value of ks and tf, the better effect of svc

    通過數值模擬曲線分析，對比了電容補償和靜止無功補償器（ svc ）補償的效果，得到的結論是電容補償有擴大閃變的影響，而靜止無功補償器（ svc ）是抑制閃變的最佳裝置，並且調差系數ks和時間常數t _ f越小， svc補償效果越好。
  9. In chapter 1, we briefly reviewed the risk theory and its development. and the significance about this paper was expressed. in chapter 2, we introduced classical risk model. in which, making this risk process into a strong markovian process is the preparation of deriving the main results. chapter 3 is the main body of the paper, we derived the results about general ruin probability in a kind of continuous time risk model with deficit - time geometry distribution of claim inter - occurrence time. the martingale approach is a good procedure to get the expression of ruin probability about a class of continuous time risk models with deficit - time geometry distribution of claim inter - occurrence time. we also take advantage of change of measure idea from it

    第二章介紹了經典風險模型，其中用逐段決定馬爾可夫過程理論及補充變量技巧，使一類風險模型的盈餘過程成為齊次強馬爾可夫過程。第三章作為本文的主體部分，在索賠到達間隔服從虧時幾何分佈的連續時間風險模型中，索賠額分佈為一般分佈，它的破產概率可以利用pdmp中的廣義生成運算元得出鞅，通過調節系數的選擇以及在相應測度下的測度變換，使得破產概率的一般解可以表示出來。
  10. It is found that the electron beam may approach ideal bunching. high power microwave pulses with tunable frequency can be generated by post - accelerating the electron beam and carefully designing the extraction cavity. in terms of the pic simulation, the output power of 1. 25gw at 2. 2ghz and 480mw at 4. 4ghz in axial acceletron have been obtained

    用增加中間腔的辦法，大大提高了前兩階諧波電流分量，數值計算結果表明，其中一階諧波電流調制系數達到了140 ，二階諧波電流調制系數達到了68 ，通過改變提取腔的設計，可選擇不同頻率的輸出，其一次諧波頻率為2 . 2ghz ，輸出功率為1 . 25gw ，效率為9 . 33 ，二次諧波頻率為4 . 4ghz時，輸出功率為0 . 48gw ，效率為3 . 6 。
  11. This risk process is made into a homogeneous piecewise deterministic markov process by introducing supplementary components from forward markovization technique. then a martingale is found by the martingale approach of piecewise deterministic markov process ( pdmp ). the general expression and the lundberg bound of the ruin probability are derived subsequently. the idea of change of the probability measure and the adjustment coefficient are used to find the lundberg bound

    首先利用向前馬爾可夫技巧使此風險過程成為齊次馬爾可夫過程，然後利用逐段決定馬爾可夫過程（ pdmp ）中的鞅方法，得到本文風險模型中鞅的形式，繼而求得索賠額分佈為一般離散分佈的破產概率的一般表達式，並得到破產概率的lundberg界，這里用到了測度變換的思想，從中可以看出調節系數的重要作用。
  12. In this paper, the index of unevenness, concentration, and variation have been defined and calculated according to gauge records of runoff in the 1956 - 2000

    根據長江源區1956 - 2000年河流月徑流資料，分析了年內分配不均勻系數、完全調節系數、集中度、集中期、變化幅度等特性。
  13. The inverted pwm changing electric current the technique is applied in the prototype model. the prototype model was tested and operated on spot, power factor could reach beyond 0. 95, the effect of following modulating voltage was better, the curve of factor of modulated voltage of exchanging systems changed following load rate was linear, the output of wave form was a flat and steady sinusoidal wave

    樣機採用了逆變式pwm變流技術，對其進行了現場測試與試運行，測試結果是電網側的功率因數可達0 . 95以上，跟蹤調壓效果良好，變流系統輸出調壓系數（ k ）隨負載率（ p ）的變化曲線基本滿足直線關系，輸出波形呈平滑穩定的正弦波。
  14. A novel topology of dc - rail zvt voltage source three - phase pwm inverter is advanced. the principle, design considerations, modulation index and efficiency of the proposed inverter are discussed in detail

    提出了一種新型直流母線零電壓過渡電壓源三相pwm逆變器，並對該電路的工作過程、參數設計、調制系數以及工作效率等進行了詳細的分析和試驗研究。
  15. The numerical results of the dispersion relation show some nonlinear effects : for a fixed geometry of a waveguid, beam parameters and plasma density, the increment of the modulation parameter may lead to a slight increment of the operating frequency, however, as the modulation parameter increases further, saturation may occur and the dispersion relations are hard to be separated, it is due to the overmodulation of the microwave power, this phenomenon itself belongs to the nonlinear effects

    對於一定的波導、電子注參量和等離子體密度值，等離子體調制系數的增加，使工作頻率略微升高。但是，隨著等離子體調制系數的進一步增加，色散曲線變得彼此之間不可分辨，可以認為是等離子體的過調制導致了柵的飽和。這一現象是非線性的，可見，等離子體柵和調制場中文摘要是非線性關系，等離子體柵是非線性j 。
  16. This thesis has made the contrast test of shrink and creep for plain concrete and concrete filled steel tubes on the basis of long term in - door test, obtains the principles of shrink - creep of concrete filled steel tube, simulates the test data, analyses and contrasts the coefficient of shrink and creep, thus offers reference for the calculation mode of creep, furthermore by introducing reasonable assuming at the same time, develops the calculation formula of equivalent elastic modulus at the same time, develops the calculation formula of equivalent elastic modulus, adopts common structure analyses procedure ansys to calculate the redistribution of section stress in the steel tube and concrete during operation

    本文在長期的室內試驗的基礎上對素混凝土和鋼管混凝土做了收縮和徐變的對比試驗，得出鋼管混凝土的收縮徐變規律，對試驗數據進行了擬合，對鋼管混凝土的收縮和徐變系數進行了分析和比較，從而為鋼管混凝土的徐變計算模式提供參考，同時通過引入合理的假定，並結合由「齡期調整有效模量法」導出的混凝土徐變本構關系，推導出了鋼管核心混凝土考慮徐變影響后的等效彈性模量計算公式，並以此為基礎採用通用結構分析程序ansys對成橋后鋼管和混凝土應力重分佈進行了計算。
  17. The series solution for boundary value problem of nonhomogeneous harmonic equation with variable coefficient is obtained

    使變系數非齊次調和方程邊值問題的求解有了新的進展。
  18. In order to simplify the calculated procedure, the error coefficient ( r1 ) has been introduced to paper. and so, the criterion formula ( 2. 1 ), which calculates strain and stress in concrete, can be replaced by one - variable formula ( 2. 17 )

    為簡化計算類設計破壞形態時粘貼加固構件的抗彎承載力，本文引入誤差調整系數_ 1 ，將規范混凝土應力?應變公式（ 2 . 1 ）簡化成一階線性公式（ 2 . 17 ）並代入計算。
  19. Based on literature and introducing the error coefficient ( r2 ), the paper infers the formula ( 2. 63 - 2. 66 ), which is applied to calculate the lag strain of bonded materials ( elag ) under the secondary load

    本文在有關文獻的基礎上，引入誤差調整系數_ 2 ，推導出鋼筋混凝土受彎構件二次受力下粘貼加固材料滯后應變_ （ tag ）的計算公式（ 2 . 63 ） （ 2 . 66 ） 。
  20. 3. in order to show the fact that the - licrowave modulates the background plasma density and the density grating influences the propagation of the microwave in return, the dispersion relation of the dielectric cerenkov maser filled with plasma grating is derived when the modulation parameter is varied

    三、為了反映等離子體被微波場調制從而形成密度周期性分佈的等離子體柵，反過來影響電磁波的傳播這一物理事實，在調制系數變化的情況下，從等離子體柵的等效模型出發，推導了等離子體柵填充的介質cerenkov脈塞的色散方程。
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