射電波段 的英文怎麼說

中文拼音 [shèdiànbōduàn]
射電波段 英文
radio wavelength band
  • 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） ...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 段 : Ⅰ量詞（部分） section; segment; part; paragraph; passage Ⅱ名詞（姓氏） a surname
  • 波段 : [電學] wave band; wave range; band; range; frequency range; frequency band
  1. The free-bound continuum is strongest in the optical regime, whereas the free-free continuum dominates in the radio and infrared regimes.

    自由-束縛連續輻射在光學波段最強，自由-自由連續輻射主要在射電和紅外波段。
  2. Each color in this image represents a different region of the electromagnetic spectrum, from x - rays to infrared light

    圖中，每種顏色代表從紅外到x射線的不同電磁波波段。
  3. In actual fact, a suitably modified amateur radio transmitter operating in either the 420 to 450 megahertz band or the 1. 3 gigahertz band, with a highly directional antenna, is capable of transmitting voice to skull signals at less cost than the price of an automobile

    事實上，一個適當限制在420到450兆赫波段或1 . 3千兆赫波段的帶有高度定向天線的業余無線電廣播發射機，能夠把聲音信號傳給頭骨並且所花的費用比一輛汽車的價格還要少。
  4. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  5. The region is otherwise undistinguished at optical and radio wavelengths, but it does contain a number of oh and maser sources.

    此區在光學和射電波段是不著名的，但卻包含有許多OH和微波激射源。
  6. Two astronomers at the university of british columbia observed the subaru deep field heros with the submillimetre scuba camera at the james clerk maxwell telescope a 15 metre aperture radio telescope, also on mauna kea

    加拿大英屬哥倫比亞大學兩位天文學家，亦利用同樣位於莫納克亞山上的麥克斯偉望遠鏡james clerk maxwell telescope ，口徑15米的亞毫米波段射電望遠鏡，對從sdf中所發現的四個hero進行觀測。
  7. Deliberate radiation or reradiation of electromagnetic waves so as to impair the usefulness of a specific segment of the radio spectrum that is being used by the enemy for communication or radar

    人為地輻射或反向輻射電磁波，使一段特定的無線電波譜的可用性削弱，而這一波譜段是由敵人的通訊或雷達所使用。
  8. < uk > the region is otherwise undistinguished at optical and radio wavelengths, but it does contain a number of oh and maser sources. < / uk >

    < uk >此區在光學和射電波段是不著名的，但卻包含有許多oh和微波激射源。 < / uk >
  9. The relation between area of ccd saturation and 0. 632 m 、 1. 06 m laser power / energy was measured. the ccd camera was disturbed by strong radiation from laser outside the field of view in experiment. the relation between the area of ccd saturation and off - axis angle was measured

    通過實驗，得到激光干擾ka - 320型面陣ccd光電探測器的像元飽和閾值、探測器靶面飽和閾值、局域損傷閾值，並得到了0 . 632 m與1 . 06 m波段入射激光功率與ccd靶面飽和程度的對應關系曲線，了解了面陣ccd探測器受激光干擾的各個階段。
  10. Hydrometeors have dominant effect on the performance of systems operating at frequencies above loghz, and the remote sensing of hydrometeors is an important subject for radio propagation, radar meteorology and atmosphere physics etc. based on the physics characteristics of rainfall, fog and clouds, the propagation characteristics and remote sensing of hydrometeors are investigated and discussed

    水凝物是影響10ghz以上頻段系統性能的主要因素，它是電波傳播、雷達氣象、大氣物理和環境遙感等學科研究的重要對象。本文基於降雨和雲霧的基本物理特性，對降雨和雲霧的毫米波傳播特性、降雨和雲霧的遙感以及霧的紅外輻射衰減特性進行了分析和研究。
  11. Intense pl band at 300 - 570nm, whose central position was found red - shifted with the increase of o content, was observed in the a - sihxoy thin films fabricated by pecvd. thin films with strong blue pl peaks were prepared by plasma oxidation, and the result directly proved that the blue pl peaks were originated from si - o defect levels

    通過pecvd法與放電等離子體氧化技術結合獲得了主峰位於藍光波段的熒光帶，而且具有分立峰結構，其結果直接證明了藍光發射與缺陷能級有關，起源於si - o結合特定組態而形成的發光中心。
  12. In euv and soft x - ray band, the most often used detector is ion chamber with rare gas, from whose collective electrode we can directly calculate intensity of photon flux

    在極紫外和軟x射線波段常用的探測器是稀有氣體電離室，可以通過電離室收集極的收集電流直接計算出光子流強度。
  13. Gyroklystron amplifier is a novel high - power millimeter - wave coherent radiation source. as a result of high - power capability and high - efficiency and moderate bandwidth advantages, gyroklystron amplifiers have received a great deal of attention in recent years for a variety of applications including high - power radars, electronic counter systems and the next linear collider etc. specifically in twenty years later, there was much developments on gyrotron

    迴旋速調管放大器是一種能夠在毫米波段獲得高功率、高效率及一定帶寬的新型毫米波相干輻射源，因其在高功率毫米波雷達、電子對抗、定向能武器、材料處理和加速器等領域的重要應用前景，在國際上受到了廣泛的重視。
  14. A x - band six - cavity tro is studied. with the voltage 760kv 6ka and the magnetic field 2. 6t in the simulation, output power is about 1. 5gw is obtained, and interaction efficiency is 31 %. a noveland high accurate numerical synthetic technique is presented for determining the high frequency characteristics of six - cavity with open boundary

    對粒子模擬的輸出微波功率的作出診斷，找到讀取微波功率快速有效的方法：在電場和磁場同相的前提條件下，對時域波形進行傅立葉變換，微波功率頻域的二倍頻所對應的幅度即為微波x波段渡越輻射振蕩器的理論和實驗研究平均功率的大小。
  15. Based on the results of the theory analysis and computer simulation of suspended stripline low pass filter, band pass filter, the transition from waveguide to finline and the transition from waveguide to suspended stripline, the structure design and manufacture were made. the measured results match the requirement. different from the traditional mixers used in the domestic communications satellites, the sub - harmonic balance mixer type was used in the ka - band mixer design

    在ka頻段混頻器的研究過程中，通過對衛星和飛船所用到的混頻器進行研究，在對ka波段的傳統射頻前端電路的分析基礎上，提出改變以往星上傳統的基波混頻方案，採取了次諧波混頻方案，降低了本振頻率，簡化了本振鏈路，使噪聲特性、可靠性獲得改善。
  16. A specific range of wavelengths or frequencies of electromagnetic radiation

    波段，波帶電磁輻射的波長和頻率的特定范圍
  17. The numerical method based on the coupling of the finite difference method in time domain with the discrete fast fourier transform is applied to calculate the first four eigenfrequencies and eigenfunctions of the six - cavity with open boundary. the absorbing boundary condition for tem wave is tested numerically, and it is applied to writing the code. the cold testing of the cavity is done and the results are good agreement with the numerical results

    計算x波段六腔開放腔前四個模式的場分佈;根據第二章公式分別計算x波段六腔開放腔前四個模式的電子負載電導並總結了這四種工作模式渡越效應的規律，基於這種小信號理論分析了x波段渡越輻射振蕩器，得到了工作模式及可能產生的模式競爭。
  18. Methods of measurement on receivers for satellite broadcast transmissions in the 12 ghz band. part 2 : electrical measurements on dbs tuner units

    12 ghz波段衛星廣播發射用接收機的測量方法.第2部分:直播系統調諧裝置的電測量
  19. The first chapter is introduction, which mainly introduce the detector used in extreme ultraviolet ( euv ) and soft x - ray band

    論文第一章是緒論，主要介紹了在極紫外和軟x射線波段使用的一些光電探測器。
  20. The past twenty years saw the significant progress in astronomical observation when new instruments have come online to explore the distant universe across the electromagnetic spectrum and spacecraft have flown to probe the nearby members of the solar system, bringing a new understanding of our universe

    過去二十年，天文探測的發展一日千里。由射電波至伽瑪射線等不同波段的儀器相繼啟用，而各類型的太陽系探測器也帶來豐富的成果，使人類對宇宙有了新的認識。
分享友人
分享到 Line

分享到臉書