rectangular wave 中文意思是什麼

rectangular wave 解釋
方形波
  • rectangular : adj. 矩形的，長方形的；成直角的。
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  1. Ridge waveguide is a kind of guide wave sturcture that often used, which can be formed from rectangular waveguide

    脊波導是一種常見的導波結構，它是矩形波導的一種變形。
  2. As an example, the oscillation of a rectangular harbour due to the incident waves with different directions and wave numbers was investigated

    作為算例，就一矩形港灣在不同方向、不同波數入射波情況下的港內水波振動問題進行了計算分析。
  3. Numerical calculations have been made for wave-guides with a core of rectangular cross-section embedded in a uniform surround of lower refractive index.

    對于掩埋在較低折射率的均勻介質中的距形截面芯子的波導曾作過數值計算。
  4. Study on mm - wave rectangular grating traveling wave tube with sheet - beam

    帶狀束矩形柵毫米波行波管的研究
  5. Results are presented for the sound radiation efficiency and power of the modes of the rectangular baffled plate subjected to simply - supported boundary conditions when the plate is excited by obliquely incident plane wave

    通過計算，得到了嵌在無限大障板中簡支板模型在斜波入射作用下的聲輻射功率和輻射效率。
  6. Due to its advantages of high power capacity, weak dispersion, easier fabrication and low ohmic losses, the folded rectangular groove guide would be an excellent slow - wave structure in millimeter and submillimeter wave twts

    曲折矩形槽波導結合了曲折波導散熱能力強、色散特性好、容易加工和矩形槽波導單模工作、低損耗、大尺寸等優點，因此這種新型的慢波系統有可能在毫米波及亞毫米波段的行波管中具有較好的發展前景。
  7. Considering the influence of high evanescent modes, we have obtained the common theory. by the comparing between theoretical calculation and experimental data, we found the theory can accurately describe the high - frequency characteristic of this kind of slow - wave helical groove structure. then, five representative shapes are chosen and researched particularly ( triangle shape, cosine shape, trapezoid shape, rectangular shape and swallow - tailed shape )

    主要工作成果和創新之處在於: 1 .通過考慮高次模式的影響，獲得了一種更為精確分析任意槽形螺旋槽結構的普遍理論，經與實驗測量值比較，發現它更能準確可靠地描述此類螺旋慢波結構的高頻特性，然後詳細研究了五種槽形狀（三角形槽、餘弦形槽、梯形槽、矩形槽和燕尾形槽）對螺旋槽慢波系統導波特性的影響。
  8. The measurement of charge and current on wall and electromagnetic wave in rectangular waveguide

    矩形波導管的管壁電荷電流及管內電磁波檢測
  9. A design method of the dielectric - covered slots arrays in the narrow face of a rectangular wave - guide is presented in this paper

    本文提供了帶共形罩矩形波導窄邊縫隙天線陣的一種設計方法。
  10. Thirdly, the method to calculate the 3 - d dynamic responding of layered transversely isotropic saturated soils to an arbitrary buried source in cylindrical coordinate as well as to an arbitrary harmonious source in rectangular coordinate is presented respectively. based on biot ' s wave theory, the 3 - d wave equations in cylindrical coordinate for transversely isotropic saturated poroelastic media are transformed into a group of governing different equations with 1 - order by the fourier expanding with respect to azimuth and hankel integral transform method or by the double fourier transform method with respect to horizontal coordinates in rectangular coordinate. then, transfer matrixes within layered media are derived under the continuous conditions, drainage conditions and the boundary conditions

    基於飽和土的biot波動理論，通過fouricr變換，將橫觀各向同性飽和土三維非軸對稱波動方程轉化為一組一階常微分方程組，再經har止el變換，建立問題的狀態方程，求解狀態方程得到傳遞矩陣;利用傳遞矩陣，結合飽和層狀地基的邊界條件、排水條件及層間接觸和連續條件，首次給出層狀橫觀各向同性飽和地基在任意地展力作用下的三維非軸對稱動力響應的解析解。
  11. When frequency slightly higher than cutoff, using perturbation method it is to know that tunnel wall wet make attenuation of electromagnetic wave lower not only in rectangular tunnel but also in circular tunnel

    當頻率略高於隧道截止頻率時利用微擾法可知：不論是矩形隧道還是圓形隧道，隧道壁潮濕使電磁波的衰減率降低。
  12. When frequency much higher than cutoff, using classical formulation method it is to know that tunnel wall wet make attenuation of electromagnetic wave increase in rectangular tunnel and make attenuation of other electromagnetic wave mode increase but te mode with tunnel wall permittivity

    當頻率遠高於截止頻率時，利用傳統公式法可知：矩形隧道中隧道壁濕潤引起衰減增大；圓形隧道中e模式衰減率因電容率的增大而減小，其他各模式則因電容率的增大而增大。
  13. According to the mechanism characteristics of the ac motor, with zero - voltage switching technology, the pdm converter mathematical models both the pwm and rectangular wave control mode are given in this paper. and the voltage and current harmonic analysis and the simulation waveforms of the output voltage, current and power are also described respectively

    根據交流電機在恆轉矩區和恆功率區的特性，結合零電壓開關技術，分別給出相應的脈寬調制控制（ pwm ）方式和方波控制方式下的高頻交流脈沖密度調制變頻器的數學模型，電壓和電流的諧波分析以及輸出電壓、電流和功率的模擬波形。
  14. Simultaneouslydesigned one has planted the zero examination electric circuit, transformed the pid control increase cheng zhankong compared to, andoutput with the digital circuit has certainly occupies emptiescompared to the rectangular wave, achieved the quite accurateexamination effect

    同時設計了一種過零檢測電路，將pid控制增量轉換成占空比、並用數字電路輸出有一定占空比的矩形波，以達到比較準確檢測效果。
  15. The profile of arbitrary shaped groove is approximated by a series of rectangular steps and the " hot " dispersion equation of the coaxial arbitrary - shaped - groove slow - wave structure is derived by the self - consistent theory

    摘要用階梯近似的方法分析任意槽形加載的圓波導慢波系統中的場，採用自洽場理論，得到了任意槽形周期加載圓波導慢波系統在小信號條件下的「熱」色散方程，並對結構參數對小信號增益的影響情況進行了研究。
  16. The use of wave packet to analyze the dynamics of quantum mechanical systems is an increasingly important method to the study of the classical - quantum correspondence. using the quantum gaussian wave packet analysis method, we calculate the autocorrelation function of the rectangular billiard, the peak positions of the autocorrelation function match well with the periods of the classical periodic orbits, which show that the period of the classical orbits can be produced by the time - dependent quantum wave packet method. we also discuss wave packet revivals and fractional revivals in the rectangular billiard, the results show that there are exact revival for all wave packet at each revival time. we find additional cases of exact revivals with short revival times for zero - momentum wave packets initially located at special symmetry point inside the billiard

    利用波包分析量子力學體系的動力學行為在研究經典和量子的對應關系方面越來越成為一個非常重要的方法.利用高斯波包分析方法，我們計算了矩形彈子球體系的自關聯函數，自關聯函數的峰和經典周期軌道的周期符合的很好，這表明經典周期軌道的周期可以通過含時的量子波包方法產生.我們還討論了矩形彈子球的波包回歸和波包的部分回歸，計算結果表明在每一個回歸時間，波包出現精確的回歸.對于動量為零的波包，初始位置在彈子球內部的特殊對稱點處，出現一些時間比較短的附加的回歸
  17. Furthermore, the development of electromagnetic flowmeter with low frequency rectangular wave excitation is finally selected as the emphasis of research through analyzing the advantages and disadvantages of the different kinds of electromagnetic flowmeters

    電磁流量計的設計分析了不同種類的電磁流量計的優缺點，最終選擇低頻矩形波勵磁電磁流量計為研究重點。
  18. Based on the rigorous coupled wave theory, the phenomenon that the zero order reflection efficiency of rectangular subwavelength grating varies with the wavelength is studied when incidence angle, azimuth and grating parameters are variant

    摘要從嚴格耦合波衍射理論出發，在不同入射角、方位角和光柵參數下的情況，計算了矩形亞波長光柵零級反射效率隨入射光波長的變化。
  19. The design and simulation of rectangular microstrip standing - wave antennas array

    矩形微帶串饋線陣的設計和模擬
  20. On the designed system, make experiments on calculating the harmonics of rectangular wave and power supply signal. the correctness of design is proved by experiments

    在研製的系統上，進行了計算輸入信號為方波和動力電源信號時的諧波大小的實驗，實驗結果表明了研製成果的正確性。
分享友人
分享到 Line

分享到臉書