等頻的 的英文怎麼說

中文拼音 [děngbīnde]
等頻的 英文
equifrequent
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  1. We also researched the frequency structure of ddc and interchanged the filter multiphase heft and taking out - operation using the theory of equivalent counterchange in multisampling system

    從理論上研究了數字下變頻的頻譜結構，利用多采樣率系統中結構的等效變換原理，將濾波器多相分量與抽取操作進行互換。
  2. Thin magnetic steel sheet and strip for use at medium frequencies

    以中等頻率使用的薄磁性鋼板和帶材
  3. ( 2 ) our experimental results have shown the topographycal distribution of the cfs of neurons in a - 1. generally the neurons with high cfs laid in the rostral part of a - 1, and the neurons with low cfs laid in its caudal part. the similar isofrequency strip was observed in a - i cortex

    （二）大鼠皮層a區聽神經元的特徵頻率（ cf ）分佈具有分域特性， cf為高頻的神經元分佈在a區嘴側， cf為低頻的神經元分佈在a區尾側，實驗還發現在a區的內外側方向有類似的等頻帶存在。
  4. In the two - photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing, and the medium shows strong optical power limiting effect

    在雙光子共振情況下，即入射脈沖頻率等於1 、 3能級之間的共振頻率的一半，由於介質中放大的自發輻射和四波混頻的作用，部分入射脈沖能量轉化為高頻和低頻電場成分的能量，分子介質表現出了很強的光功率限幅特性。
  5. The signal format of gps is analyzed, the principle models and mathematical models are established, the ber performance is analyzed in a channel interfered with wide - bandwidth awgn, narrow - bandwidth awgn, transmitted signal, single - tone signal respectively. based on the results above interference methods are discussed and simulated. then the performance of code acquisition and code trace of a digital gps receiver are discussed. the modem of linkl 1 and link4a are modeled and their ber performances are analyzed and simulated in channel s interfered with awgn, single - tone signal and multi - tone signal respectively

    建立了jtids的收發終端的數學模型，分析它在噪聲干擾、相關干擾、互相關干擾下的誤碼性能，提出較佳的干擾方法和干擾碼型，並進行模擬模擬；分析了gps的信號格式，建立了gps的原理框圖模型、信號數學模型，並對其在寬帶噪聲干擾、窄帶噪聲干擾、轉發干擾、單頻干擾等情形下的誤碼性能進行了分析比較，提出相對較佳的干擾方法，並做了計算機模擬，針對一數字式gps接收機中擴頻碼捕獲與跟蹤環的特性進行分析；建立了link11和link4a數據鏈調制解調數學模型，對它們在噪聲干擾、單音干擾、多音干擾等下的誤碼性能進行分析，最後對干擾情況進行了模擬模擬。
  6. The wireless channel based on spread spectrum modulation can assure the digital video signal communication safe and withstanding the high noise disturbing condition

    而基於擴頻技術的無線通信通道，為視頻的傳輸提供了保密及抗干擾性能強等優點。
  7. 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。
  8. Translation interpretation, production, videophotographing, audio dubbing, titling, cd writing and production of corporate and product introduction ; translation interpretation and editing of film and tv scripts, video tape, vcd and other audio video products ; titling of videotapes and films with various languages ; voice over ; production of audio - tapes ; speaking aside for a v products ; professional audio recording and a v engineering ; support for production of cd multimedia with various forms and software platforms

    錄音帶錄影帶製作：公司及產品介紹的翻譯製作攝影配音字幕製作光盤刻錄製作等電影電視劇本錄像帶vcd等音頻視頻的翻譯錄制和編輯為錄像帶和電影添加各種語言的專業字幕添加畫外音錄音帶的製作視聽產品的旁白專業錄音及音像工程支持各種格式及軟體平臺的光盤多媒體製作。
  9. In chapter 2, a general digital watermarking frame is presented, including the generation, embedding and detection of watermark. in chapter 3, the concept of watermarking channel is presented, the modes of watermarking channel and image dct coefficients is proposed, the capacity of watermarking channel is evaluated by embedding watermarks to selected still image dct coefficients in direct spread spectrum. in chapter 4, a watermarking algorithms based wavelet multi - resolution is presented, by conjunction with human visual model, it keeps invisibility of watermark in host image and need not original image during detection

    數字水印是一種新的數字媒體保護技術，它是將特定的信息（如版權信息、秘密消息等）嵌入到圖象、語音、視頻等各種數字媒體中，以達到版權保護等目的，同時，這種信息對宿主媒體的影響不足以引起人們的注意且有特定的恢復方法，此信息對非法接收者應該是不可見的，本文主要對數字水印的一般框架，靜止圖象dct系數的理論容量，圖象水印的嵌入和檢測，數字媒體防篡改以及數字水印的攻擊等問題進行了研究，提出了兩個新的水印算演算法。
  10. With advances in communication and information processing technologies, the video - driven application show a very large degree of flexibility and extensibility. visual communication is the fastest growing vehicle for information. a lot of digital applications and services are emerging, such as : digital tv, teleconference, videophone and interactive multimedia

    隨著通信和信息處理技術的發展，基於視頻的應用呈現出強大的靈活性和可擴展性，視頻通訊已經成為增長最快的信息載體，大量數字化的視頻服務需求不斷涌現，如：數字電視、遠程會議、視頻電話和互動式多媒體等。
  11. The concept of " timing " in the article is not the clock in our ordinary living, but syntheses which is made up of some frequency source in the signal generator ( such as cs atom frequency standard, rb clock & high accuracy quartz crystal oscillator ) which produces the primary frequency, the matching input interface and the matching output interface and controlling circuit etc. for example, bits is a kind of timing equipment, which is used to control the timing of some functions

    本文論及的「時鐘」概念不是指日常生活中使用的鐘表，而是由產生基準頻率的信號發生器（如銫原子頻率標準、銣鐘及高精度石英晶體振蕩器等）中的某種頻率源以及相配套的輸入、輸出介面和控制電路等組成的一整套具有特定同步定時功能的綜合體。如bits就是一種時鐘設備，它提供用在通信系統中控制某些功能的定時的時間基準設備，時鐘提供的信號稱為基準信號、定時信號或同步信號。
  12. In this paper, they are set forth at first that the kinds of computer - simulation of electronic devices, the development and the requirements of mosfet ' s model and the way of gain the models " parameters, the dc models have been bui it in chapter 2 and the models of big signals have been deduced in chapter 3, they are different from the equivalent circuit models in the traditional software pspice that they come from the numer i ca i - s i mu i at i on wh i ch is based on the essence equat i on, so the precision of simulation is enhanced ? mosfet ' s small signal models of low frequency, intermediate frequency and high frequency have been built in chapter 4 and chapter 5, although the equivalent circuit models in pspice are used for reference to bui id them, they have their own characteristics which are analyzed at a i i kinds of situations, so that the simulation software for mosfet can be written according them and it i s a i so benef i c i a i for us to catch the gen i us character i st i cs of mosfet and to d esign all kinds of applicable devices the correctness of the models is simply proved in chapter 6

    本文首先介紹了電子器件計算機模擬的分類、 mosfet的建模發展動態、對器件模型的要求以及模型參數的提取方法。在第二章中建立了mos晶體管在直流端電壓條件下的工作模型；第三章推導了mosfet的大信號模型，這兩類模型不同於傳統模擬軟體例如pspice中的等效電路模型，而是從模型方程出發，採用數值模擬的方法，提高了模擬的精度。第四章和第五章分別建立了mos晶體管低頻、中頻、高頻的小信號模型，雖然借鑒了pspice模擬軟體中用等效電路模型的方法，但是本文分別討論了準靜態和非準靜態時器件的本徵部分以及包含非本徵部分工作于低頻、中頻和高頻條件時的模型，可以根據這些模型編寫相應的模擬軟體，這樣在做器件的模擬分析與器件設計的時候，就可以利用模擬軟體逐步深入地分析器件在不同的條件下和器件的不同部分在工作時的各種小信號特性，有利於抓住器件工作的本質特性，設計出符合要求的各類通用和特殊器件。
  13. The rainbow garden was scheduled to open at eleven, but many children had been waiting in a long line from very early in the day. after much urging by the children, the game booths finally opened

    預定十一點鐘開始的彩虹園游戲區，早就排滿了等候的大小朋友，游戲攤位終于在小朋友的頻頻催促下開張了。
  14. Furthermore, it is easy to use different control strategy in the digital inverter, so different pwm control can be used, in order to optimize the design of output filter and improve the output performance

    同時，在數字變換器平臺上可以方便地實現各種控制策略，達到進一步優化輸出濾波器參數、提高輸出電能質量、提高變速恆頻電源整體效率等目的。
  15. Under these assumptions, three kinds of excitations, namely, harmonic force with frequency equal to the structural fundamental frequency, harmonic force with frequency equal to half of the structural fundamental frequency and pulse force are inputted to the undamaged and damaged structures. then under the same excitation, the undamaged structural displacement responses, velocity responses, acceleration responses, jerk responses and responses of integrated displacement are compared with that of the damaged ones

    在此假定基礎上，分別將激勵頻率等於結構基頻的簡諧形激勵、激勵頻率等於結構基頻之半的簡諧形激勵和錘擊激勵輸入結構，而後比較了損傷前後結構在相同激勵下的位移響應、速度響應、加速度響應、加加速度響應和位移積分響應。
  16. The emergence of digital television is one of the most important things in the history of telecast. it can not only improve the quality of audio and video but also change the traditional mode of watching tv. it can provide many incremental operations, such as television website, video - on - demand, remote education and information services

    數字電視的出現是電視廣播史上最重大的事件之一，它不僅大大提高了電視音頻和視頻的質量，還改變了傳統的收視模式，能夠提供電視網站、視頻點播、遠程教育、信息服務等多項增值業務。
  17. Those served by the fibre - optic network get all 36 channels. the basic service includes several locally - produced channels, notably a 24 - hour cantonese news service, and channels devoted to sports, movies, music, children s programmes, finance and horse racing

    基本服務包括數條播放本地製作節目的頻道，例如全日24小時播放粵語新聞，以及報道財經、體育、賽馬消息、播放電影、音樂、兒童節目等頻道。
  18. To reproduce the narrow - band response, based on the thought of kanamori etc., the damping ratio and natural period are modified. through this adjustment, the narrow - band response can be reproduced, but for some natural periods the adjustive damping ratio has become negative. the negative damping is strange and can not be explained by the equation of motion for sdof system

    為了生成窄頻帶反應，本文根據kanamori等人的方法調整了計算時的阻尼比及自振周期，調整后的單邊差分方法能在共振區域生成很好的窄頻帶反應，但是對一些周期點的阻尼比調整成為了負值，這從系統的動力平衡方程是難以解釋的。
  19. The system is of some sense of stereovision and can emancipate the operators from the shackles of microscope eyepieces. flicker is a fatal drawback of the system. based on the analysis of the whys of the flicker phenomenon a kind of flicker - free three - dimensional imaging system based on frequency duplication is then designed

    從模擬時分立體成像系統到基於倍頻的無閃爍立體成像系統，再到帶視頻信號處理功能的無閃爍立體成像系統，圍繞著實現立體、消除閃爍、增強圖像顯示效果等三方面對時分式立體顯示系統進行了深入的研究。
  20. It has application in dvd and htdv and dvb - c and video transmission in network, etc. two parts the principle of video reduced on mpeg - 2 standard and the designing of encoder and debugging on encoder are primarily expatiated on in this dissertation

    本文編碼器採用fujitsu公司的mpeg - 2編碼晶元mb86390用硬體來實現視頻信號的壓縮，編成mpeg - 2碼流，可應用於dvd 、數字電視、 dvb - c及視頻的網路傳輸等。
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