降低系數 的英文怎麼說

中文拼音 [jiàngdīxìshǔ]
降低系數 英文
decreasing coefficient
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 降低 : reduce; cut down; abate; debase; drop; lower; lessening; reducing; reduction; depression; tarnish
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. It was found that they were fit for the lpi applications. on the digital signal processing, we studied the demand on compute ability for fast acquest. we designed a new signal form named ds - fh - th signal which costs less in processing but without any lost on the lpi performance

    在信號的數字處理方面，分析了直接序列擴頻雷達在信號捕獲階段對計算能力的要求，在不降低系統lpi性能的基礎上，設計了ds - fh - th雷達信號，降低系統對計算能力的要求。
  2. First the emission spectrum of an atom in a grey - body cavity is stuided. the influences of the incident field photon - number distribution, the cavity absorptivity and the system temperature on the atomic emission spectrum are discussed in detail. it is found that the influence of cavity radiation on the atomic emission spectrum could be reduced through diminishing the absorptivity of the cavity and lowering the temperature of the cavity

    我們首先研究了灰體腔中二能級原子和型三能級原子的發射譜，詳細討論了入射場光子數分佈、腔體吸收系數以及系統溫度對原子發射譜的影響，指出在實驗上可以通過減小腔體吸收系數、降低系統溫度來減小腔體輻射對原子發射譜的影響。
  3. One oft - repeated resistance to short methods is that it can degrade performance in your system

    經常遇到的對于小函數的抵抗是它會降低系統性能。
  4. It adopts genetic algorithm in schedule strategy to improve the quality of system data source, ( 2 ) the local store module to manage the web snapshot content of frequent words, this can reduce the system complexity, saves store space

    它使用基於遺傳演算法的調度策略提高系統數據源的質量。 （ 2 ）本地緩存模塊用來管理高頻查詢詞對應的網頁快照內容，以降低系統的復雜度和減少系統所需的存儲空間，同時使用高速緩存來提高檢索速度。
  5. Use energy - based control method to achieve the entry flight control of reusable launch vehicle. the basic concept is to take the energy as primary control variables, reduce the order of the system and design a tracking law to follow a three - dimensional entry trajectory

    本文採用基於能量的控制方法實現對航天器再入軌跡的控制，將能量作為獨立參量，從而降低系統的階數，利用線性反饋的方法設計一個跟蹤三維再入軌跡的控制律。
  6. Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing

    建立了高速旋轉狀態下，採用磁軸承作支撐的飛輪轉子和轉軸的動力學模型，給出了有限元法在此問題中的具體應用，並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型，以及對偏心激勵的響應，分析表明：對于高速旋轉的飛輪轉子和轉軸，應考慮陀螺效應對其動力學特性的影響，此時系統的固有頻率是轉速的函數；通過提高磁軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。
  7. This design is the first solid - state memory system for satellite, which can confront with multi - clock sources and multi - data sources compatibly. it is the fist design that integrates all functions of data processing and control into a single programed logic device. this design can be an ip core that can bring large advantage when system upgrade in the future

    本星載固存系統是我國星載固存系統中第一個採用多數據源，多時鐘源進行兼容設計的單一固存系統；第一個採用ip化、參數化設計思想，採用單一邏輯編程器件做為固存系統唯一控制部件，為以後系統升級帶來了很大好處；第一個採用功耗均衡思想來降低系統功耗。
  8. Travel time is the key point of system, its measure quality decides the survey precision of the stress. time to digital convertor ( tdc ) was applied to accomplish the precision time interval measurement. at the same time, one transmitter - two receivers probe arrangement and zero - crossing detecting method were also applied to reduce the errors in measurement

    傳播聲時是整個測量系統中的關鍵量，其測量水平決定應力的測量精度，對此本文採用時間-數字轉換器（ timetodigitalconvertor ， tdc ）完成高精度時間間隔測量，在實現過程中又分別採用「單端發射-雙端接收」的探頭布局模式和「過零檢測」手段來降低系統檢測誤差。
  9. In the basis of present technology, we provide our method. with our method, we first extract several low visual feature of the image, such as color, texture etc, and then we fuze the feature into a high dimensional vector ; sencond, we analyze the vector with pca method, which reduce the dimension of the vector ; and last we use the vector to classify the image

    該方法的基本思路描述如下：首先，提取圖像的多種視覺特徵（如：顏色、紋理等） ，經融合得到一個高維矢量描述；然後，對該高維矢量描述作pca （ principalcomponentsanalysis ）分析，以獲取其中的主元，降低維數；最後，以降維后的矢量描述為基礎，用於圖片的分類系統。
  10. Reducing coefficient of shearing strength for notch and tooth connection

    齒連接抗剪強度降低系數68
  11. Reducing coefficient of compressive strength in sloping grain for bolted connection

    螺栓連接斜紋承壓強度降低系數68
  12. A influence to system function caused by coefficients quantifying in computer control system is discussed, and a reasonable editorial method by selecting algorithm is given to reduce the influence caused by coefficients quantification

    摘要討論了計算機控制系統中系數的量化對系統性能的影響，及如何通過合理的選擇演算法的編排方法來降低系數量化對系統的影響。
  13. Finally, with the research results, the author analyzes the two tv tower drums : the normal concrete tower and the presrtressed concrete tower. at the same time, the calculation reliability of prestressed concrete tower drum and dropping - coefficient of stiffness established in this paper has been proved

    最後，利用本論文的研究成果，對普通混凝土電視塔和預應力電視塔進行實例分析，驗證了本文建立的塔筒計算公式和剛度降低系數計算公式的可靠性。
  14. The concept of the equivalent mode and the modal participation coefficient is introduced when the regulation structures are studied. as to the vertical irregular structural systems, the inter - story capacity spectrum method is used and the strength reduction coefficient 77 is put forward when the capacity method is used to evaluate the performance of the torsional irregular structures

    對于扭轉不規則結構體系，引入與結構偏心矩大小和結構平面整體尺寸有關的強度降低系數叮來考慮結構的扭轉效應，選取結構的基底剪力和邊軸線的最大反應位移為參數，應用能力譜方法進行抗震性能評估。
  15. Thirdly, for the sake of convenience for calculating the section stiffness of prestressed concrete tower drum, this paper interprets the relationship between the stiffness dropping - coefficient of prestressed concrete tower drum cross and prestress degree. based on the cross stiffness coefficient under different prestress, a brief method for calculating the stiffness dropping - coefficient is presented in this paper

    第三，為了便於預應力混凝土塔筒截面剛度的計算，本文對塔筒截面剛度降低系數與截面預應力度的關系進行了研究，並根據不同預應力度下的截面剛度降低系數，歸納總結出一種簡單的剛度降低系數計算方法。
  16. The result shows that average absorption coefficient and noise reduction coefficient separately equal to 0. 58 and 0. 60, and fine property of sound absorption at middle - low frequency

    結果表明材料的平均吸聲系數和降噪系數分別達0 . 58和0 . 60 ，且材料的中低頻吸聲性能優良。
  17. The way to eliminate chaos phenomenon through adjusting system parameters is indicated. the nonlinear dynamic behavior of journal bearing - rotor system in large parameter space is studied in numerical integral method and floquet theory and the first and second bifurcation behavior of nonlinear rotor system are discussed ; the concept is advanced that realizing the controllable nonlinear stiffness with sfd with the soft - nonlinear of sma in the super - elasticity state to make the vibration amplitude of system always be in the small solution state to reduce the vibration amplitude of rotor system

    運用數值積分方法結合floquet理論對滑動軸承-轉子系統的大參數范圍非線性動力學特性進行了全面的研究，詳細地討論了系統的一次和二次分岔行為； 5 ）提出了用形狀記憶合金在超彈性狀態下的軟非線性，結合擠壓油膜阻尼器實現系統剛性的非線性可控，降低系統在非定常狀態下的最大振幅的構想。
  18. In addition, bit error rate ( ber ) performance of the m - ary orthogonal spread spectrum system based on i bit quantization is analyzed in this paper and the formula of ber is obtained. by comparing it with other several systems, some concerned conclusions about this kind of system are gained

    為了進一步的降低系統的規模，本文還就基於硬判決解調的多進制擴頻系統的性能進行分析和研究，得出了同步捕獲性能和誤比特性能與用戶數及信噪比的關系公式，並將其與其它幾種系統進行了比較，得出了有關的結論。
  19. The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias

    通過計算得知，使傳感器相位偏置為/ 2 ，減小電極間距，提高電光重疊因子，減小器件插入損耗，採用合適的分段數，增加電極長度，增大光功率，降低激光的波長，減小相對強度噪聲，減小接收帶寬，對提高靈敏度的效果是非常明顯的。而減小天線長度，降低調制器電容，電極分段，都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率，採用較低的光學偏置，都可以增大線性動態范圍。
  20. Considering the local nonlinearity of the rotor - bearing system, a systematic dimension reduction method is applied in this paper for low - pressure rotor - bearing of the 200mw turbine set system. the model of the rotor - bearing system is established by fem ( finite element method ). the fixed - interface component mode synthesis procedure is applied to significantly reduce the dimension of the system

    本文針對200mw汽輪發電機組低壓轉子?軸承系統，採用了一種系統的降維分析方法:利用有限元方法建立了轉子?軸承系統的有限元模型，然後利用固定界面模態綜合法顯著地降低系統的維數。
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