earth sensor 中文意思是什麼

earth sensor 解釋
地球傳感器
  • earth : n 1 〈常E 〉 地球。2 大地，陸地，地面，地上。3 土壤，土。4 【化學】土類；泥。5 世界人類；人的軀體...
  • sensor : n. 1. ＝sensory （名詞）. 2. 【自動化】感受器；傳感器；靈敏元件，控制儀板上顯示溫度、輻射量等變動的裝置。
  1. The discovery of the colossal magnetoresistance ( cmr ) in hole - doped perovskite manganites ra1 - xmxmno3 ( ra is a trivalent rare - earth ion and m is a metal ion ) has attracted much attention since 1989 due to not only its technological applications in magnetic recording and sensor, but also the effect of the strong correlation concerning metal - insulator transition in the field of basic research. since then, several physics models have been suggested to explain the mechanism of cmr. however, the exact mechanism of cmr remains to be done

    自1989年在摻雜鈣鈦礦型錳氧化物ra _ （ 1 - x ） m _ xmno _ 3 （其中m為金屬離子， ra為三價稀土離子）中發現龐磁電阻（ cmr ）以來由於其在磁記錄、磁傳感器等方面潛在的應用前景，以及金屬?絕緣體相變等所涉及的強關聯效應，使該類化合物吸引了物理學界的廣泛注意。
  2. Prior to being able to use an image in a landuse classification exercise one must first make fundamental corrections to the image data. the level of corrections differs for each satellite sensor but will generally involve sensor calibration for radiometric correction ( sun angles, earth - sun distances and atmospheric scattering effects ), geometric corrections and geo - referencing to a known coordinate system

    在將圖像用於土地利用分類處理之前，必須首先對圖像資料進行基本修正。對于不同的衛星感測器需採用不同的修正參數和方法，但一般涉及感測器校正，包括輻射校正（太陽角度角、地球與太陽的距離和大氣層的散射效應） 、幾何校正以及設制地理座標。
  3. Airborne gravimetry is a new kind of technique for surveying the gravity acceleration over the earth ' s surface and is advanced in gravimetry history, which basing on aircraft, including gravimeter, gps, altimeter and attitude sensor etc.

    航空重力測量是一種新型的重力測量技術，它以飛機為載體，綜合應用重力傳感器、 gps 、高度傳感器、姿態傳感器等設備測定近地空間重力加速度。航空重力測量是重力測量的一次歷史性變革。
  4. The result shows that the solar radiation pressure moments play a mainly part. based on kalman filtering, three kinds of attitude determination algorithms were studied using the attitude sensor now available on the explorer : the first based on digital solar sensor ( dss ) and gyroscope when the star sensor is not available ; another based on dss, high - gain antenna ( hga ) and gyroscope when the explorer is in the earth - safe mode ; the third based on star sensor combined with gyroscope when the explorer is in the normal mode

    針對配置了典型測量敏感器的深空探測器，基於擴展kalman濾波給出了其姿態確定的方法:針對星敏感器不可用情形，給出了使用太陽敏感器和速率陀螺定姿的濾波器演算法;針對安全模式下的對地穩定定向情形，給出了太陽敏感器和高增益天線融合速率陀螺信息的定姿演算法;針對正常巡航模式給出星敏感器和速率陀螺聯合定姿演算法。
  5. Ccd star sensor with a high accurary and precise mathematical model of starlight passing through the upper atmosphere is used to indirectly sense ths earth horizon, such that the attitude and orbit of the satellite can be accurately determine

    這種導航方案利用高精度的ccd星敏感器，結合星光穿越大氣的較精確的數學模型，來間接敏感地平，從而實現對衛星的精確定位和定姿。
  6. In recent years, sar has been an effective sensor of planet imaging and earth observation because of its abilities in large - area imaging, working on whole climate and whole day, and strong penetration

    近年來，合成孔徑雷達（ sar ）的大面積成像以及它的全天候、全天時及其穿透能力使得它成為一種行星成圖和地球科學觀測等的一種行之有效的傳感器。
  7. The remote sensing refers to air to ground one, namely from different working platform far away the ground ( for example gao ta, balloon, airplane, rocket, the artificial earth satellite, spaceship, aerospace craft and so on ), through the sensor, exploring the information ( radiation ) to the earth ' s surface electromagnetic wave, and after the information transmission, processes, estimation and analysis, it can be regarded as a kind of comprehensive technology of surveying and monitoring earth ' s resources and its environment

    摘要遙感是指空對地的遙感，即從遠離地面的不同工作平臺上（如高塔、氣球、飛機、火箭、人造地球衛星、宇宙飛船、航天飛機等）通過傳感器，對地球表面的電磁波（輻射）信息進行探測，並經信息的傳輸、處理和判讀分析，對地球的資源與環境進行探測和監測的綜合性技術。
  8. The images of moderate resolution imaging spectroradiometer modis, a sensor of the earth observing system operated by the u. s. national aeronautics and space administration nasa, revealed the aerosol optical depth was high

    在香港附近的氣溶膠光學厚度放大圖美國太空總署地球觀測系統的中解析度成像光譜儀modis的圖像顯示氣溶膠光學厚度很高
  9. The images of moderate resolution imaging spectroradiometer ( modis ), a sensor of the earth observing system ( eos ) operated by the u. s. national aeronautics and space administration ( nasa ), revealed the aerosol optical depth ( aod ) was high

    （在香港附近的氣溶膠光學厚度放大圖）美國太空總署地球觀測系統的中解析度成像光譜儀（ modis ）的圖像顯示氣溶膠光學厚度很高
  10. In the design of real - time control system, the paper takes three - phase full - bridge mosfet inverter as the real - time control main circuit, and adopts a control scheme with 120 ? switching mode combined with half - bridge pulse width modulation ( pwm ), which would avoid straightthrough short of a certain bridge. phase current is detected by single current sensor ; three - phase position signals generated by position sensors could not only supply commutation information for inverter, but also be used for speed detecting based on signals " period measurement, which makes the speed sensor unnecessary. the whole control system adopts speed and current dual closed - loop control strategy in order to construct a high performance rare - earth permanent magnetic brushless dc motor ( repm bldcm ) full - digital real - time control system

    在實時控制系統的設計中，本文以三相全橋mosfet逆變電路作為實時控制主電路，採用120導通方式結合半橋pwm調制的控制方案，從而有效地避免了橋臂的直通短路；本文用單電流傳感器實現對相電流的檢測，來自位置傳感器的三相位置信號不僅為逆變電路提供換相信息，而且也用於基於信號周期測量的轉速檢測，這樣就省去了速度傳感器；系統採用的是速度、電流雙閉環控制策略，力求構建高性能的稀土永磁無刷直流電動機全數字實時控制系統。
  11. The system adopts 80c31 mcu as the main controller, hybrid rare - earth permanent magnet stepper motor as the execution component, bio - passage rotary transformer as antenna position sensor

    該系統基於80c31單片機為主控制器，採用了混合式稀土永磁步進電機為執行部件，並以雙通道旋轉變壓器為天線位置傳感器。
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