改變頻率 的英文怎麼說

中文拼音 [gǎibiànbīnlǜ]
改變頻率 英文
scramble
  • 改 : Ⅰ動詞1 （改變） change; transform 2 （修改） revise; alter; modify 3 （改正） rectify; correct 4 ...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 改變 : change; alter; transform; turn; convert; mold; modify
  • 頻率 : frequency; rate
  1. This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective

    本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷，利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法，提出了在液壓系統中加一個定差減壓閥的新思路，較好地解決了液壓伺服系統存在的上述問題。
  2. Because of huge data quantum and high demand of channel bit error rate for video transmission, and fallibility, time variability and limited band of wires channel, wireless video system is faced with lots of problems

    由於視頻業務的數據量大、對誤比特率要求高，無線通道又具有易錯、時變和帶限的特點，因此通道的誤比特率要比有線環境大得多，且隨著基站和終端位置、方向的改變而變化很大。
  3. E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat

    與共振情況（即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率一致）相比，非共振條件（即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率存在偏差）一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。
  4. The method can be applied when the size of hull grillage beam and exciting frequencies cannot be easily changed

    該法適用於船體板架尺寸、激勵頻率不易改變的調頻情況。
  5. For short wavelengths, approaching the intermolecular distance, the velocity can vary with wavelength

    而對于波長短到接近分子間距離的波，其速度則會隨頻率而改變。
  6. Intermodulation suppression for fh ( frequency hopping ) receiver is designed by selecting the intermediate frequencies and changing group of filters, local oscillation ( lo ) frequency, bandwidth of lo frequency under the condition that receiver configuration, sensitivity, dynamic range, instantaneous bandwidth and precision of frequency measurement are fixed

    摘要針對跳頻接收機的體制和靈敏度、動態范圍、瞬時工作帶寬、測頻精度等設計參數，通過改變預選器組成、本振頻率和本振帶寬，分析接收通道的中頻選取原則，以實現跳頻接收機的互調抑制設計。
  7. Equation(4－198)yields a first approximation for the change in the natural frequency of vibration.

    方程（4198）給出了一級近似下的固有振動頻率的改變量。
  8. Compared with non - passerine, they appeared longer syllable length, higher basic frequency and more viable frequency ranges. though the amplitude modulation properties enhanced their vocal production, the type of syllable is still stable and less of variety. so the phrase consisted of syllables are comparatively few and changes of the tone are relatively less

    且表現出很強的頻率調制特性和特有的幅度調制特性，相對的音節時程比較長，基頻較高且頻率變化范圍較大，所特有的幅度調制特性更增加了其控聲的能力，但其音節的種類仍很單一，缺乏變化，由音節所組成的句型較少，音調變化幅度不大，因此，其叫聲質量盡管較非鳴禽有所改善，但相對鳴禽而言卻又遠遠不如。
  9. With the rapid development of the semiconductor technology, large of the vacuum electronic device has replaced by the semiconductor element from the middle period of the last century. however, the vacuum electronic device owns tremendous prepotency in the exceed - high frequency and wide frequency band and high power field, especially in the exceed - high power field. the complexion won ’ t be changed for a long period

    自上世紀中後期開始，隨著半導體技術的飛速發展，許多真空電子器件逐步被半導體器件取代，但是，在超高頻、寬頻帶、大功率，尤其是超大功率領域，真空電子器件在技術和經濟方面至今仍擁有巨大的優勢，而且在今後相當長的時期內，這種局面也不會改變。
  10. From the middle - later period of the last century, with the rapid development of the semiconductor technology, large of the vacuum electronic device was replaced by the semiconductor element. however, the vacuum electronic device owns tremendous prepotency in the exceed - high frequency and high power field. this complexion won ’ t be changed for a long period

    自上世紀中後期開始，隨著半導體技術的飛速發展，許多真空電子器件逐步被其取代，但是，在超高頻、寬頻帶、大功率，尤其是超大功率領域，真空電子器件在技術和經濟方面至今仍擁有巨大的優勢，而且在今後相當長的時期內，這種局面也不會改變。
  11. 2. machine will auto stop when the shute or weft opens, or weaving is done. it has higher output, quality than four shuttle circular looms. 3. controlled main equipment speed with frequency converter

    主機變頻調速，改善起動性能，縮短定機時間，減少疵布率，節約電能和方便速度變換
  12. The temperature effect which has been calculated is taken as " thermal load " forced on the body, then such thermal stress is settled as general elasticity mechanics question ; secondly, the thermal stress is taken as " surface force " forced on the body, and the new system stiffness is formed which include the extra stiffness matrix, then it changes the nature frequency of the structure

    首先，這篇論文介紹溫度場和熱應力場的有限元方法，建立了三維熱傳導模型計算有溫度場產生的熱應力，計算熱應力時運用了一種轉化思維：將溫度處理為「溫度載荷」 ，這樣就能用彈性力學問題的處理方法來求解熱應力。其次，將熱應力作為結構的「面內力」 ，而面內力產生附加的幾何剛度矩陣，改變了結構的剛度，影響了結構的固有頻率。
  13. Wavelet transform, which has a multi - resolution analytic character, is a time - scale ( time - frequency ) analytic method of information. moreover, as both of its time - window and frequency - window can be changed it processes the ability of expressing local characters of information in time - frequency domain

    小波變換是一種信號的時間尺度（時間頻率）分析方法，它具有多解析度分析的特點，而且在時頻兩域都具有表徵信號局部特徵的能力，是一種窗口大小固定不變但其形狀可改變，時間窗和頻率窗都可以改變的時頻局部化分析方法。
  14. The scheme adjusts the audio frame length without impairing audio quality according to the occupied level of audio playout buffer and changes the playout frame rate of video according to the occupied level of video playout buffer to achieve intra - media synchronization of audio stream and video stream

    演算法分別根據音頻和視頻播放緩沖區的佔用水平，在不影響音頻播放質量的情況下調整音頻幀的長度，實現音頻流媒體內同步；通過改變視頻流的播放幀率達到視頻流媒體內同步。
  15. Study shows that the basic principles of three existed methods for phase difference correction on discrete spectrum are identical, by which the twice fft analysis through time - domain shifting time series or changing window ' s length is performed, and the spectrum by making use of the phase difference of two corresponding peak lines are finally corrected

    在研究時域平移的離散頻譜相位差校正方法和改變窗長離散頻譜相位差校正方法的基礎上，發現這幾種離散頻譜相位差校正法的基本原理是一致的，就是通過時移和加不同的對稱窗進行兩次fft分析，並利用離散頻譜對應峰值譜線的相位差以求得頻率和相位校正量。
  16. In the evening this station changes frequency and broadcasts on another band.

    該電臺晚上改變頻率，在另一波段播音。
  17. You are famous for going into systems of reality and altering the frequency, thus bringing information

    你們以進入實相系統有名，而改變頻率，因而帶來信息。
  18. By using power of dc superimposed ac, oxidation rate rose with increase of voltage but had nothing to do with frequencies in this experiment

    在一定的頻率?圍內，改變頻率對亞硫酸鈉的轉化率影響不大。
  19. Flock button. pressing the frequency lock button will disable all frequency determining controls on the front panel, to prevent accidental changes of frequency

    頻率鎖定，按下這個按鈕前面板所有頻率控制按鈕將被禁用，防止意外改變頻率。
  20. Nonlinear optics ( nlo ) investigates the interactions of applied electromagnetic fields in various materials to generate new electromagnetic fields, altered in frequency, phase or other physical properties

    非線性光學研究應用電磁場和各種材料的相互作用，產生新的電磁場，改變頻率，相或其它物理性質。
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