elliptical orbit 中文意思是什麼

elliptical orbit 解釋
橢圓形軌道
  • orbit : n 1 【天文學】軌道；【解剖學】眼窩，眶；（鳥或昆蟲的）復眼緣的頰部。2 （人生的）旅程，生活過程；...
  1. Most of the meteoroids of the leonid meteor stream concentrate in an elongated thin ribbon - like region. the stream orbits around the sun in an elliptical orbit with a period of about 33 years

    獅子座流星群聚集於一條狹長的區域內，以極為橢圓形的軌道環繞太陽運行，周期約為
  2. The particle motion is elliptical retrograde in contrast to elliptical direct orbit for surface waves on water.

    質點的運動是橢圓倒轉，而不是象水上的面波那樣的橢圓正轉。
  3. A regional satellite navigation system which is made up of geosynchronous satellites and synchronous satellites with elliptical orbit is proposed

    摘要提出了一種用靜止衛星和同步橢圓軌道衛星構造的區域衛星定位系統。
  4. Chapter 3 proposed a constellation scheme for a regional satellite navigation system. the constellation is consist of geosynchronous satellites and synchronous satellites with elliptical orbit

    第三章在分析了適用於構造區域衛星定位系統的衛星軌道類型后，提出了利用靜止衛星和同步橢圓軌道衛星構造星座的方案。
  5. Then, the chaser ' s two orbit roots are selected as variable and visualizing the simulation by contour plot. this part of research draws the conclusion the same as the first part when the target ' s orbit is circular orbit, while the selected two variable can be wildly changed if the target ' s orbit is elliptical orbit. next, wait time before orbit maneuver is simulated

    其次，利用可視化的等值線圖研究了追蹤器軌道兩個參數為變量的情況下大范圍軌道機動問題，分析表明對圓軌道目標器交會機動時，追蹤器軌道根數不宜與目標器軌道根數相差過大，而對橢圓軌道目標器交會機動時，追蹤器軌道根數可選范圍較大，機動策略和方法富於彈性。
  6. 2. based on the spaceborne sar theory, an elliptical earth model and an elliptical orbit model are proposed, which have some advantages over the traditional circular ones

    2 .基於星載sar的基本理論，給出了一種進行星載sar回波信號模擬的橢圓地球模型和橢圓軌道模型，它們優于傳統的球地球模型和圓軌道模型。
  7. The sun, for example, takes about 230 million years to go around its elliptical orbit

    例如，太陽走完橢圓軌道一周約需2億3000萬年。
  8. This planet, unlike the other planets in our solar system, has an elliptical orbit and moves clockwise rather than counterclockwise

    這顆行星，不同在我們太陽系的其他行量，是橢圓形軌道，順時針方向移動，而不是逆時針。
  9. They are available for viewing at over the next seven months, the orbiter will " aerobrake, " dipping into mars " atmosphere and gradually changing its elliptical orbit into a near - circle about 185 miles above the planet ' s surface

    在以後的7個月內， mro將緩慢沉入火星大氣層，並漸漸由橢圓形軌道過渡到距火星表面約185英里300公里的近圓軌道。
  10. If the satellite has an elliptical orbit, the result is a spiral wave, a miniature version of the pinwheel pattern of our galaxy

    如果衛星的軌道是橢圓的，就會產生螺旋波，就像是銀河系紙風車形狀的縮影。
  11. 2. to simulate accurate raw data of spaceborne sar, models of satellite with elliptical orbit and targets with rotation of the earth are adopted in the process of calculating between the satellite platform and target

    為了模擬得到精確的星載sar原始數據，本文在計算各時刻星載sar平臺與目標的距離時，採用了精確的數學模型：其中星載sar平臺運動軌跡採用橢圓軌道模型，地球採用橢球體模型。
  12. The engine operated for 63 seconds. the elliptical orbit was changed to a near circular orbit

    飛船變軌，變軌發動機工作了63秒，使原來的橢圓形接近圓形。
  13. Orbit adjustment began. the engine operated for 63 seconds. the elliptical orbit was changed to a near circular orbit

    飛船變軌，變軌發動機工作了63秒，使原來的橢圓形接近圓形。
  14. A comet with an open orbit will only visit the sun once. however, a comet with a closed orbit actually it is elliptical will visit the sun again and again

    以開放式軌道繞日運行的彗星只會經過太陽一次，但封閉式軌道彗星即橢圓形軌道則可造訪太陽多次。
  15. That ' sdespite the fact that the distance changes minute by minute because the moon is in an elliptical 28 - day orbit ranging from 220 000 to about 252 000 miles from earth

    盡管事實上月球是在一個周長為28天的橢圓形軌道上運行，與地球的距離每分鐘都在變，在220 ， 000至252 ， 000英里不等。
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