角頻 的英文怎麼說

中文拼音 [jiǎobīn]
角頻 英文
angular frequency
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  • 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...
  1. The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated

    利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系，系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系曲線，通過數值分析方法給出了聲光優值隨中心頻率的變化曲線並給出了器件的設計參數。
  2. Joint angle and delay estimation based on uniform circular array in cdma system with aperiodic spreading code

    非周期擴頻系統中基於均勻圓陣的角度和時延的聯合估計
  3. I just saw her on hbo last night. she had a cameo role in an action - thriller, but i forget the name of the film

    我昨晚才在hbo頻道看到她，她在一部動作驚悚片里客串一角，但我忘記片名了。
  4. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎，對慣性制動器在制動時的振動進行數學建模，然後用matlab對其進行模擬，得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系，為慣性制動器的結構優化提供了理論依據。
  5. △w is the radian frequency deviation from the center frequency.

    W是角頻率與中心頻率的偏離值。
  6. The angular frequency of the disturbing force called the impressed frequency.

    擾動力的角頻率稱為外加頻率。
  7. So it is very meaningful to study their echolocation calls in ecology concentrates in researching time - frequency charaters of the signals

    根據調研我們知道，從生態學角度對蝙蝠的叫聲研究多集中在對信號本身的時頻特性研究。
  8. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算，為了簡化計算，本文在推廣的海倫積分方程的基礎上，對方程進行了簡化，推導了nakano方程，並以平面阿基米德螺旋天線，平面等角螺旋天線，軸向模圓柱螺旋天線，具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例，用矩量法求解了天線上的電流分佈，研究了螺旋天線輻射的寬頻帶特性，所得的結果均與參考文獻吻合很好。
  9. Conclusions the frequency of clinically important valve regurgitation was significantly increased in patients taking pergolide or cabergoline, but not in patients taking non ? ergot - derived dopamine agonists, as compared with control subjects

    結論：與對照組相比，服用培高利特或者卡麥角林的患者臨床上發生重要瓣膜返流的頻率顯著增加，但服用非麥角?生的多巴胺受體激動劑的患者瓣膜返流的發生率卻未增加。
  10. Results clinically important regurgitation ( moderate to severe, grade 3 to 4 ) in any valve was found with significantly greater frequency in patients taking pergolide ( 23. 4 % ) or cabergoline ( 28. 6 % ) but not in patients taking non ? ergot - derived dopamine agonists ( 0 % ), as compared with control subjects ( 5. 6 % )

    結果：與對照組相比（ 5 . 6 % ） ，服用培高利特（ 23 . 4 % ）或者卡麥角林的患者（ 28 . 6 % ） ，臨床上發生重要的任何瓣膜的返流（中到重度， 3級到4級）的頻率顯著升高，而服用非麥角?生的多巴胺受體激動劑的患者（ 0 % ）瓣膜返流的發生率卻未增加。
  11. Low frequency standard angular exciter

    低頻標準角振動臺
  12. Microscopic mechanism of moments of inertia and odd - even differences for well - deformed actinide nuclei

    錒系變形核轉動慣量及奇偶差隨角頻率變化的微觀機制
  13. Firstly, the paper introduces briefly the detecting principle of microwave radiometer and the scheme of lunar microwave radiometer. based on propagation matrix, an algorithm to get reflectivity of layered medium is brought in. by means of the method, the reflectivity expression of two - layer medium is obtained

    本文首先簡要介紹了微波輻射計的探測原理及月球探測衛星微波輻射計的設計方案，還介紹了利用傳播矩陣計算分層媒質的反射率的方法，並給出雙層媒質的反射率表達式，分析了雙層媒質的反射率隨觀測角、頻率和第一層厚度的變化關系。
  14. Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used

    然後針對偏置動量飛輪系統，基於經典控制理論設計俯仰通道的pid控制律，根據滾動?偏航通道耦合的特點，分別討論了由軌道角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時，結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中，為了解決不能獲得角速度信號的問題，採用terasaki提出的非最小相位控制器進行控制。
  15. The result shows, the source parameters for example seismic moment, corner frequency and stress drop and so on is relative with magnitude, the evolvement characteristic of time and space of stress drop is a new measure for earthquake prediciton

    分析表明，該地區的地震矩、拐角頻率與應力降等震源參數與震級有一定的相關性，應力降的時空演化特徵可以作為該地區今後地震趨勢預測的一種新手段。
  16. This technique is mainly involved two steps : 1 ) vegetation effects correction : we used ndvi ( normalized difference vegetation index ) derived from tm and avhrr measurements for spatial and temporal variations of vegetation covers at different scales

    但由於電磁波與地表相互作用的復雜性，雷達後向散射系數除受地表介電常數（土壤水分）影響外，還受到地表粗糙度、土壤類型、植被覆蓋以及雷達入射角、頻率、極化等多種因素的影響。
  17. It really provides convenience to evaluate and optimize the design result. 3 ) vibration analysis has been fulfilled by calling some math libraries and graphic libraries in matlab to plot graphics such as velocity - time, displacement - velocity, step response, impulse response, gain - frequency and phase - frequency. we can know the capabilities of the spring system from the graphics

    3 、在matlab環境下調用相應的數學函數庫和圖形庫對設計的彈簧進行分析，繪制彈簧加載后系統的速度-時間響應曲線、速度-位移響應曲線、階躍響應曲線、脈沖響應曲線、增益-頻率響應曲線和相角-頻率響應曲線，根據曲線來分析系統的各項性能。
  18. The smallest characteristic value corresponds to the lowest natural angular frequency.

    最小的特徵值相當于最低固有角頻率。
  19. Loop lockable minimum maximum margin angular frequency

    環路可鎖定最底最高界限角頻率
  20. Loop natural resonant angular frequency

    環路自然諧振角頻率
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