正弦地 的英文怎麼說

中文拼音 [zhēngxiánde]
正弦地 英文
sinusoidally
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  1. This has since been confirmed by russian sources ; the transmitter consists of two swept - frequency generators of sinusoidal voltage and two parallel horizontal grounded antennas, each about 60 km long

    這一點被來自俄方的消息所證實；發射機有兩個掃頻發生器，產生正弦波，同時有兩幅相互平行的水平地面天線，每個天線有60千米長。
  2. The experiments verify that with these new technologies, the amount of sinusoids can be greatly reduced and the tracking efficiency can be greatly improved

    實驗證明，將這兩種方法與參數心理聲學模型相結合，可以有效地減少所需的正弦波數量，大大提高正弦波跟蹤的效率。
  3. The clock recovery block of usb2. 0 transceiver macrocell consists of phase locked circuit, such as pll and dll ( delay locked loop ). this block use external crystal 12mhz sin signal to produce 60mhz, 120mhz, 480mhz clock signal, and can recover colock signal form date wave. it can support 480mbps ( hs ) and 12mbps ( fs ) word speeds as defined in usb2. 0 specification.

    目的是用鎖相環電路? pll和dll （延遲鎖相環）實現usb2 . 0收發器宏單元utm的時鐘恢復模塊。其中pll環路構成的時鐘發生器將外部晶振的12mhz正弦信號生成60mhz 、 120mhz 、 480mhz等本地時鐘信號。 dll環路依據本地時鐘信號對外部數據信號進行時鐘恢復。
  4. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較，模擬研究和實驗結果表明，當反電動勢的平頂寬度小於107電角時，採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上，更有效地抑制電磁轉矩脈動。
  5. The beam - on - dynamic - winkler - foundation ( bdwf ) model was utilized to determine the lateral dynamic response of a pile with finite length in a viscoelastic soil. an analytical solution was obtained in the time domain for the vibration of a pile under a laterally cyclic force applied at the pile head. based on the solution, the transient response of the pile loaded by semi - sine force was acquired with superposition principle

    首先，基於動力winkler模型（ bdwf ）對粘彈性地基中有限長樁的水平動力響應問題進行求解，得到了單樁在樁頂受水平簡諧荷載作用下的時域解析解，並在此基礎上通過疊加原理得到了半正弦激振條件下的瞬態解析解。
  6. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    （ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。
  7. For simplicity, we assume e to be in the x direction and to vary sinusoidally in the y direction.

    為簡單起見，我們假定E在X方向上，並在Y方向上正弦式地變化。
  8. The data analysis has to compensate for the doppler shift to make any signal as sinusoidal as possible, which helps pull it out of the noise ( with something based on a fourier transform )

    數據分析中比較對多普勒偏移進行補償以使信號盡可能地接近正弦曲線，以方便從噪音中提取真正的信號（通過傅立葉變換） 。
  9. The sinusoidal sandbar topography includes five sinusoidal curves with same parameters

    正弦沙壩地形為5個相同參數的正弦型曲線。
  10. This digital amplifier made up of a digital inverter can implement the sine voltage signal ' s power amplifying based on the digital signal processor. with the high processing ability of dsp, the advanced digital control arithmetic can be realized in the software. also the feasible and effective technique for the time delay compensation of digital control can be achieved

    該放大系統用數字化逆變器來實現電力系統正弦電壓信號功率的放大，利用dsp數字處理器高速的處理能力，可以使系統實現高性能的演算法控制，並且能靈活地對系統的誤差進行補償，從而實現逆變系統的高性能和高精度，為解決電力系統電容式互感器二次側帶負載能力弱的問題進行了有意義的研究。
  11. Then by the method of computer simulation, the following jamming patterns are made quantitative analysis, radio - frequency noise jamming, continuous single tune jamming, continuous noise amplitude - modulated jamming, relayed frequency shift jamming, and the key factor which affect the quality of these jamming patterns

    然後在此基礎上，通過計算機模擬分析，定量地討論了射頻噪聲干擾、連續正弦波干擾、轉發移頻脈沖干擾以及影響它們干擾品質的因素，並以壓制系數為衡量標準，進行了干擾效能分析。
  12. Sine sweeping constant current exciting for geophone characteristic parameter measurement and identification

    地震檢波器特性參數識別的一種新的正弦掃頻恆流激勵方法
  13. Characteristic parameter measurement and identification of geophone by electric sine sweeping exciting

    正弦掃頻電激勵法測量與識別地震檢波器特性參數
  14. In order to avoid the current ripple and the high switch frequency of fixed - band hysteresis current controllers, two hysteresis controllers of change hystersis - band are proposed. one is the sinusoidal - band hysteresis current controller, the other is the adaptive hysteresis current controller based on fuzzy theory

    由於常規的滯環電流控制器不能有效地防止負載電流脈動，並且存在著容易導致逆變器的開關器件的開關頻率過高的問題，論文提出了兩種變環寬滯環電流控制器結構，其一是正弦環寬滯環電流控制器，其二是模糊變環寬滯環電流控制器。
  15. Applying the criterion of the work state of operational amplifier, the stable operating condition of voltage - controlled voltage source filter 2 is proved in detail and the condition that the filter can be used as the sinusoidal oscillator is given

    摘要利用運放工作狀態的判據，系統地證明? 4種二階壓控電壓源型濾濾器穩定工作的條件，同時給出了用作正弦波振蕩器的條件。
  16. Finally, applying the current basis function of three - term sinusoidal expansion, the radiation characteristic and input impedance of the vertical and horizontal antennas above lossy ground are analyzed by the method of moments with the variation of frequency, height from the ground and ground parameters

    最後，用矩量法，採用正弦插值基函數，研究地面上方垂直、水平線天線的輻射特性和輸入阻抗隨著頻率、離地高度、地面參數等變化的情況。
  17. Experimental results indicate that the method here has great improvement on the noise performance and frequency resolution and can detect effectively sinusoidals that have close - spaced frequencies

    模擬實驗表明，本文方法具有較好的噪聲穩定性和較高的頻域分辨能力，能準確地檢測出頻率非常接近的正弦信號，具有較好的估計性能。
  18. Experiments of sine and ellipse track curves for additional round swing are designed and the feasibility of adding swing track to former model is proved. so the critical technique problem in welding machine design is solved

    針對附加擺動，設計了附加圓擺動的正弦軌跡曲線和橢圓軌跡曲線實驗，論證了在原有模型基礎上添加擺動軌跡在實際當中是完全切實可行的，有效地解決了焊接機設計的核心技術問題。
  19. At last the components of the system are modeled and simulated with matlab software. the simulation results indicate that the combined system can reduce the capacity of apf effectively, detecting the harmonic current effectively, compensating harmonic current effectively

    結果表明，對單位容量的諧波源，採用與可變參數lc濾波器混合使用的並聯型有源電力濾波器系統，能夠有效地減少有源濾波器的容量，有效地檢測出高次諧波分量，並進行諧波補償，使系統的電流波形基本保持正弦。
  20. For simplicity, we assume e to be in the x direction and to vary sinusoidally in the y direction

    為簡單起見，我們假定e在x方向上，並在y方向上正弦式地變化。
分享友人
分享到 Line

分享到臉書