球形擾動 的英文怎麼說
中文拼音 [qiúxíngrǎodòng]
球形擾動
英文
spherical disturbances- 球 : 名詞1 (以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體) sphere; glo...
- 擾 : Ⅰ動詞1 (擾亂; 攪擾) harass; trouble 2 (客套話 因受人款待而表示客氣) trespass on sb s hospital...
- 球形 : sphere; sphericity; spherical; globular; round球形安全閥 ball relief valve; 球形閥 globe valve;球...
- 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
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It ’ s often used to cover the special target in special area or is used to make false attacking situation. these small light and cheap jamming devices always are thrown to the area near the target. they are manipulated or not to jam the foe ’ s military electronic device such as radar and radio etc. the device weighs about one kilogram and is as big as mauley
分散式干擾是在無人機機載和氣球載干擾機等形式上發展起來的電子對抗設備,通常是為了掩護特定區域的目標或在某一地區內製造假的進攻態勢,將眾多體積小、質量輕、價格便宜的小型干擾源散布在接近被干擾目標的空域、地域上,自動地或受控地對選定的軍事電子設備進行干擾。The regimes of turbulence include homogeneous flows in two and three dimensions, geostrophic motions, shear flows, convection, boundary layers, stably stratified flows, and internal waves
擾流的形式包括二維和三維的均勻流動、因地球自轉而引起的運動、切向流動、對流、邊界層流、穩定層流和內部波動。Based on the qps ionosphere model, the gradients model 、 quasi - cosine disturbed model and qps model with es layer are also introduced. then using the platform, the backscatter ionogram of these typical states are simulated, comparing with the real ionogram to find that they can match well, which proves the validity and practicability of the platform. the influence of the inputting parameters of these model and antenna patterns on the backscatter ionogram is also discussed in this paper
本文在球形對稱準拋物電離層模型基礎上,分別引入了梯度模型、準餘弦擾動模型、包含es層的準拋物模型,然後利用該模擬平臺,對這幾種典型電離層狀態的返回散射電離圖進行了模擬,並與實測圖進行了比較,一致性很好,證明了該模擬平臺的有效性和實用性。The numerical results indicate that the deformation within the solid inner core is very small. however, in the fluid outer core, the changes of the displacement with relatively low spherical harmonic degree ( n < 10 ) is very complicated via the radius, due to the resonance near the eigenfrequenies of the core long - period oscillations. while the spherical harmonic degree of the loading is larger than 10, the deformation and the gravitational perturbation in the core are very small, and the earth ' s deformation response is dominantly represented as the radial displacement in the elastic mantle
研究了地球在日月引潮力和表面負荷作用下的形變特徵,數值計算結果表明,在固體內核中的形變很小,由於在長周期核模本徵頻率附近的共振,液核中低階( n 10 )位移隨半徑的變化非常復雜,當負荷階數超過10時,地核中的形變和擾動位都很小,地球的響應主要表現為彈性地幔中的徑向位移,且隨深度增加急劇減弱,地表負荷love數與信號頻率的依賴關系很弱,給出了體潮love數計算的一種有效的近似處理方案。The principle of how to supply energy for system has also been studied. secondly, the orbiting satellites are affected by several perturbations. we put the main emphasis on the influence of the perturbations of the atmosphere drag and the earth ’ s eccentricity on the six orbital factors and the simulation ’ s accuracy
其次,衛星在軌運行時將受到各種干擾力的影響,因此在研究精確地磁場模型電動力纜繩離軌系統的動力學特性的基礎上,著重研究了大氣阻力攝動和地球非球形攝動對衛星離軌過程中各軌道參數的影響。Increased radiation from the sun and occurrence of geomagnetic storms i. e. severe distortion of geomagnetic field of the earth may cause disturbances such as increases in density in the earth s upper atmosphere. these result in a greater drag on the movement of satellites and spacecraft, causing a slow - down or even a change in orbit
輻射的增加及地磁暴即地球磁場急速變形的出現,會導致地球上層大氣的擾動,例如空氣密度的上升,從而使衛星和太空船在航行時受到的阻力大增,航行速度因而減慢,甚至軌道亦會改變。Increased radiation from the sun and occurrence of geomagnetic storms ( i. e. severe distortion of geomagnetic field of the earth ) may cause disturbances such as increases in density in the earth s upper atmosphere. these result in a greater drag on the movement of satellites and spacecraft, causing a slow - down or even a change in orbit
輻射的增加及地磁暴(即地球磁場急速變形)的出現,會導致地球上層大氣的擾動,例如空氣密度的上升,從而使衛星和太空船在航行時受到的阻力大增,航行速度因而減慢,甚至軌道亦會改變。This research is aim at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage. for example, the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing, and the sensitive interferential system to the disturb, such as the oscillation of worklable, dithering of air, and so on
研究的目的主要是針對大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較長,干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感,干涉圖不穩定等問題,提出了激光波長掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化波長對應的干涉圖的處理和分析,克服了上述缺點,為大型高精度非球面的檢測提供了一種適用的方法。The paper studies mainly a new kind of measure method of aspheric surface - laser wavelength - scanning interference testing. this research is aimed at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage : the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing and the sensitive interferential system to the disturb, such as the oscillation of worktable, dithering of air, and so on
研究的主要目的是針對在大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較長,干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感,干涉圖不穩定等問題,提出了激光波長掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化波長對應的干涉圖的處理和分析,克服了上述缺點,為大型高精度非球面的檢測提供了一種適用的方法。Abstract : a numerical investigation of three - dimensional separated flows about a hemisphere - cylinder is presented. the analysis has been restricted to transonic and laminar flows. results are given for the complex flow field structures including shock, boundary layer, separated flow, vertical flow and their mutual effects. the topological structures of the separated flow is shown
文摘:本文數值模擬了半球柱在跨音速、中等攻角時的粘性層流繞流,研究了流場中的復雜三維分離形態結構,其中包含流向與橫向的主分離、二次分離、以及激波邊界層的相互干擾,解釋了在球柱接合部精確捕獲的壓力波動與流動主分離、二次分離的影響關系,這個現象是前人的計算5 , 6未捕捉到的。Elastoplastic solution of spherical cavity expansion considering disturbed saturated soft clay
擾動對飽和軟粘土中球形孔擴張問題的影響分享友人