circular radiation 中文意思是什麼
circular radiation
解釋
圓輻射-
And this result is extended to the eigenfunction of maxwell ' s equations. then the mode series of step index planar dielectric waveguide and circular optical fiber are studied, including propagation modes and radiation modes. as application, there are three examples : the emergent wave from planar waveguide to free space, the transverse and longitudinal coupling of waveguide and the measurement of scalar gratings
由於從一個空間到另外一個空間的光束傳播伴隨著界面上各個模式能量之間的耦合，作為應用，本文介紹了完備性在三個情況下的應用：平面波導出射光束的衍射性質、波導的橫向和縱向耦合以及標量光柵的測試。 -
The effects of parameters on maximum combustion temperature, smog exit temperature, maximum wall heat flux, averaged wall heat flux of a new phosphoric acid tower with circular water wall were discussed, including phosphorus consumption, excess - air coefficient, wall temperature and radiation absorption coefficient, with the mathematical model developed in part
摘要利用已建立的數學模型考察了燃磷量、過剩空氣系數、壁面溫度、輻射吸收系數對新型燃磷塔的最高燃燒溫度、煙氣排放溫度、壁面最大熱流和平均熱流的影響。 -
But to circular plate with large surface area, the vibrate modes generated is often so high that there is reverse phases existing, which result in a decrease in radiation impedance, electric - acoustic efficiency and the electric power, as well as poor directivity
然而對于輻射面積較大的彎曲振動圓盤，一般激勵的振動階數比較高，因此存在彎曲振動的反相區，導致換能器的輻射阻抗下降，電聲效率和聲功率降低以及指向性變差等問題。 -
The radiation patterns of 4 - elements and 6 - elements circular reflection arrays in different distances between the active element and the passive element, and different length of the passive element are calculated, which shows that the additional passive elements can improve the pattern of the circular array, and decrease the differences between beams, and produce several equal wavebeams
首次提出了一種新型的智能天線陣列結構，即圓環反射陣列，並就四、六元圓環反射陣列的情況分別對標準反射陣列和非標準反射陣列進行了詳細的分析研究，計算了不同間距、不同反射振子長度的方向圖。 -
The result proves that the circular temperature change caused by the radiation between the chambers is mostly decided by the dimensionless distance l / d and is foreign to the original wall temperature
計算表明，推力室之間的輻射傳熱引起的周向溫度畸變，主要取決于推力室間的相對間距l / d ，而與原壁溫水平無關。 -
Starting with analysis on the field of gaussian feed ' s aperture, the relations of radiation characteristic and power capacity and gaussian beam waist radius are investigated particularly by using the circular waveguide intrinsic mode expansion method
=本文從圓錐高斯饋源口面場分析入手，利用高斯場展開成規則圓波導場的方法，細致的討論了高斯束腰對饋源輻射特性和功率容量的影響。 -
The energy equation of the thrust chamber wall was developed by omitting radical heat conduction and only considering the radiation heat transfer of the four chambers, the radiation leakage through nozzle exit, the axial and circular heat conduction
忽略徑向導熱，考慮推力室外向的相互及自身輻射交換、內壁經噴口的輻射泄漏以及周向和軸向的傳導熱量，建立了推力室壁的能量方程。 -
Secondly, through the electromagnetic simulation, the impedance and radiation properties of the circular monopole antenna are thoroughly analyzed
其次，本課題著重分析了圓盤單極超寬帶天線的阻抗以及方向圖特性。 -
At last, two circular monopole ultra - wideband antennas with different radius are made. by experiments, the return loss, radiation pattern and gain of the
最後，本課題實際製作了不同尺寸的圓盤單極超寬帶天線，分別測量了天線的反射損耗，方向圖和增益，並與模擬結果加以比較。 -
Often, mode conversion techniques are used to change the undesirable mode to one that results in a radiation pattern with a boresight peak such as circular te1 1 or rectangular te 01 mode
因此研究軸對稱模式的天線輻射技術具有重要意義。輻射天線的工程設計方案通常有三種:模式轉換器+普通喇叭、 vlasov天線和cobra （ coaxialbeam - roatatingantenna ）天線。 -
Presented in this paper is the investigation of some problems existing in the far - field method widely used in hpm measurement. first, the errors are analyzed from the practical calculation of the directivity for the radiation of the te11 mode in the circular waveguide. secondly, the results obtained from simulation and experiments are compared with each other on the effective area of the receiving antenna of certain types, and the power capacity are calculated for these antenna
首先，對圓波導te11主模輻射方向性系數實際計算中存在的誤差進行了分析;其次，對一些型號的接收喇叭有效面積進行了模擬和實測對比，並通過計算給出了這些型號的接收喇叭的功率容量;最後，實驗測定了微波脈寬對一些微波器件? ?同軸型檢波器、同軸型衰減器及微波電纜性能的影響。
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