radio wavelength 中文意思是什麼

radio wavelength 解釋
無線電波長
  • radio : n. 1. 無線電訊[電報，電話]；無線電，射電。2. 無線電廣播；無線電（廣播）臺。3. 收音機。vt. ,vi. 用無線電傳送[廣播]；（向…）作無線電廣播[傳送]；用X射線拍照；用鐳醫治。
  • wavelength : 【無線電】波長。
  1. This depends on the precise radio frequency of the 21 - cm wavelength, or 1420 megacycles per second

    這種通迅聯系要靠21厘料波段，即每秒1420兆周的精確無線電頻率。
  2. Interstellar hydrogen will emit a characteristic wave with wavelength 21cm. most of the sources of this wave are gas clouds in the spiral arms. second to the 21cm emission, the radio wave emitted by the molecular gas clouds in the arms are also good spiral arm tracers

    在旋臂中的氫氣分子云，會發射出波長為21厘米的無線電波，只要探測這些無線電波在天空中的強度分佈，便可推算出旋臂的結構。
  3. In order of decreasing wavelength ( distance between successive wave crests ), electromagnetic radiation consists of radio waves, infrared rays, visible light, ultraviolet rays, x rays, and gamma rays

    按照波長（兩個相鄰波峰間的長度）漸小的順序排列，電磁輻射由這樣一些輻射波組成，紅外線、可見光、紫外線、 x射線和伽瑪射線。
  4. Moreover by pointing the telescope away from the din of shorter - wavelength radio waves that are used for communication on earth, astrophysicists would be able to see the early universe in unprecedented detail

    此外，使射電望遠鏡遠離地球上用於通信的短波長無線電波的喧擾，可以讓天體物理學家們以前所未有的細致度觀測早期宇宙。
  5. The nuclear energy is released at the sun ' s center as high - energy gamma radiation, a form of electromagnetic radiation like light and radio waves, only of very much shorter wavelength

    核能在太陽的核心被釋放為高能的伽馬射線。這是一種電磁射線，就象光波和無線電波一樣，只是波長要短得多。
  6. In terms of deriving the maximum trapped - wavelength and the critical emitting angle of elevation for electromagnetic wave which can forms duct propagation and introducing the four kinds necessary condition for electromagnetic wave to form duct propagation, under these conditions we now have the radio wave bent back towards the earth

    結果與實際觀測到的波導傳播時的回波結構相同，說明，根據不同的大氣層結，利用電磁波的波導傳播的射線追蹤方法可以基本上確定電磁波的傳播軌跡。
  7. The radio waves are called “ frequency shift ” signals and can flow within a certain wavelength area

    無線電波被稱做「頻移」信號，並在一個固定的波長范圍內傳播。
  8. Which will eventually form stars of spectral types g, k or m. t tauri stars are surrounded by a huge cloud and they are very young, with low surface temperature. they emit most of their light in the infrared region and they appear red. a general principle is, a violent reaction will give out short wavelength waves, like gamma rays or x - rays ; while a gentle process will radiate long wavelength waves, like radio or infrared

    ，這類星最後會演化為g k或m型恆星，金牛座t型星為表面溫度低而非常年青的恆星，四周被星雲所圍繞，所以這種星顏色偏紅，較容易在紅外線波段找到一個普遍的原則是，如果活動越激烈，則所放出的光波波長越短，主要會為伽瑪或x射線如果活動溫和，則會發放出如無線電波或紅外線等長波長電磁波。
  9. Antenna span, for one, is dictated by the type of broadcast it captures ; an incoming radio - frequency wave resonates best when an antenna ' s length is one half that of the wavelength

    原因之一是，天線的全長取決于要擷取的播送類型；如果天線的長度是波長的一半，就能讓傳來的無線電頻率波達到最佳共振。
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