流星散射 的英文怎麼說
中文拼音 [liúxīngsǎnshè]
流星散射
英文
meteor scatter- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 星 : 名詞1 (夜晚天空中閃爍發光的天體) star 2 [天文學] (宇宙間能發射光或反射光的天體) heavenly body...
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 流星 : 1 [天文學] meteor; shooting star2 (古代兵器) an ancient weapon composed of two iron balls fixed...
- 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
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A " meteor shower " occurs when our home planet encounters a relatively dense region of meteoroids in space. an unusually large number of meteors can then be seen streaming from a certain point in the sky known as the " radiant "
許多流星像從星空中某一點稱為輻射點向外散射而出,其實流星群飛向地球時大致是平行的,輻射點是視覺上的透視象。Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis
課程的主題包含了:行星、行星形成;恆星、太陽、正常的恆星、恆星形成;恆星演化、超新星、緻密天體(白矮星、中子星及黑洞) 、波霎、雙x -射線源;星團、球狀及疏散星團;星際介質、氣體、塵埃、磁場、宇宙射線;距離階梯;星系、正常及活躍星系、噴流;重力透鏡;大尺度結構;牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史;宇宙背景微波輻射;大霹靂核合成。When radio waves pass through half of the first jump distance, the effects of meteor trails scattering on a radar system are investigated
計算了電波經電離層跳躍前進的過程中,流星余跡散射對後向散射超視距雷達系統性能如作用距離和發現概率等的影響。Furthermore, meteor trails scattering can affect the performance of a beyond - light - of - sight radar system
最後研究了流星余跡散射對超視距雷達性能的影響。The effects of meteor trails scattering on a back scattering beyond - light - of - sight radar detected distance and probability of detection are creatively calculated in theory. it is practicable worth for analyzing the performance of the electronic systems
本文第一次從理論上研究了流星余跡散射對電子系統性能影響,這些結果對研究突發通信系統和超視距雷達系統等電子系統的性能都有一定實用價值。分享友人