接收波段 的英文怎麼說

中文拼音 [jiēshōubōduàn]
接收波段 英文
receiving wave range
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 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
  • 接收 : 1 （收受） receive; reception; accept; [電學] receipt; receiving 2 （接管） take over; expropriat...
  • 波段 : [電學] wave band; wave range; band; range; frequency range; frequency band
  1. 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。
  2. Then, the demonstrability for the blue print of the rf receiver is represented in detail

    改制后的x波段lna單元裝配到sar接收機中，經過實測，接收機各項指標均達到系統要求。
  3. The subject comes from the cooperation project “ x waveband sar receiver ” between chengdu sine science & technology ltd. and the uestc. the auther is responsible for the demonstrability of the rf receiver and the implemetaion of the lna in the system

    本項目來源於電子科技大學成都賽英科技有限公司與電子科技大學的合作項目「 x波段合成孔徑雷達（ sar ）接收機」 ，筆者進行了該接收機系統方案的論證及接收機前端低噪聲放大器（ lna ）的研製。
  4. According to the target distance ( 5 ~ 50m ), a c - band transceiver for ranging was presented in this thesis. the focus of this work was on designing a c - band frequency - modulated continuous - wave ( fmcw ) frequency source, a receiver and microstrip antenna

    本文針對所探測目標的距離（ 5 ~ 50m ） ，研製了c波段測距收發前端，主要包括c波段調頻連續波（ fmcw ）頻率源，接收電路以及微帶天線。
  5. Based on research and experiments, we effectively improved the s - band tt & c transponder for satellite in such dimensions : with sensitivity up to - 92dbm ; dynamic range wider than 55db ; capture bandwidth of the receiver wider than 500khz ; capture time reduced to 22ms

    通過論文工作，成功地改進了川于衛星的s波段測控通信一體機，跟蹤和捕獲接收靈敏度都能達到一92dbm ，動態范圍55db以上，接收機的捕捉帶寬大於500khz ，捕捉時問減小到22ms 。
  6. 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。
  7. It is a new tool to detect and observe the structure and status of underground media by accurately measuring its transfer function through sinusoidal elastic wave accurately controlled in frequency and stable in phase

    它是使用一種精密控制頻率和相位穩定的彈性波，對發射和接收兩點間的傳遞函數進行精密測定從而監視和觀測地下構造和狀態的一種新型手段。
  8. 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
  9. Methods of measurements on receivers for satellite broadcast transmission in the 12 ghz band. part 3 : electrical measurements of overall performance of receiver systems comprising an outdoor unit and a dbs tuner unit

    12 ghz波段衛星廣播發射用接收機的測量方法.第3部分:包括一臺室外裝置和一臺直播系統調諧裝置的接收系統總性能的電測量
  10. The other types of statics are utilized for signal compensation in evaluating the difference among the source, receiver imaging and wave signal

    其他類型的靜校正手段用以在估算震源和接收器成像和波信號差異中進行信號補償。
  11. So, we must research and develop a kind of receiver with good expansibility that the working frequency band is wide, and the adaptive capacity of the wave form is strong

    所以，必須要研究開發一種工作頻段寬，波形適應能力強，可擴展性好的接收機。
  12. Instrumentation developed includes : “ brain radio stimulators, . . and an optoelectric sensor for telemetry. . combining multichannel stimulator and eeg telemetric instrument ; transdermal stimoceivers, totally implantable for two - way communication with the brain through the intact skin ; and implantable microprocessor for detection of eeg signals which are used to trigger contingent brain stimulation. . and establishment of artificial neuronal links with the aide of the computer. ” ? j. m. r

    儀器的發展包括： 「大腦無線電信號刺激器， …和一個為遠程監測的光電傳感器…結合多波段的刺激器和腦電圖遙感監測設備；皮膚刺激接收器，總的雙向的植入方法是，與大腦溝通通過未受損的皮膚；以及植入微處理器以監測腦電圖信號，這被用於時不時進行大腦刺激…並通過電腦的協助，建立人為的神經聯系。 」
  13. With a purpose to provide basic data or figures for the feasible research of a project construction and its planning, taking the practical project of preselecting a factory location for an instance, using the principle and method of shallow seismic reflection, based on the area conditions, differences in physical features and disturbance, with experiments on typical sections of the construction area, one can draw reasonable measuring lines, choose right modes of producing and receiving waves, conduct primary and precise computer data processing, acquire a distinct reflected wave section from a shallow depth and explore the stratum structure in the preselected location and the distribution of longitudinal waves

    摘要結合某重大工程預選廠址項目的工程實例，利用淺層地震反射波法的原理和方法，根據現場的場地條件、物性差異和干擾情況等，結合典型地段的試驗，合理布置測線，選擇恰當的激發和接收方式，進行初步和精細的計算機資料處理，可以得到清晰的淺層反射剖面，準確地查明了預選廠址的地層結構和縱波速度分佈，為工程建設的可行性研究和規劃提供了基礎資料。
  14. The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias

    通過計算得知，使傳感器相位偏置為/ 2 ，減小電極間距，提高電光重疊因子，減小器件插入損耗，採用合適的分段數，增加電極長度，增大光功率，降低激光的波長，減小相對強度噪聲，減小接收帶寬，對提高靈敏度的效果是非常明顯的。而減小天線長度，降低調制器電容，電極分段，都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率，採用較低的光學偏置，都可以增大線性動態范圍。
  15. Electromagnetic compatibility and radio spectrum matters. electromagnetic compatibility for radiotelephone transmitters and receivers for the maritime mobile service operating in the vhf bands

    電磁兼容性和無線電頻譜. vhf波段工作的海上移動設備用無線電話發射機和接收機的電磁兼容性
  16. A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted

    Thz （ 10 ~ （ 12 ） hz ）時域光譜技術是20世紀90年代發展起來的一種新型的光譜測量技術，它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探測源，利用電光取樣或光電導取樣的方法直接記錄thz輻射電場的振幅時間波形，通過傅立葉變換得到測量信號振幅和相位的光譜分佈，進而獲得材料在thz波段的復介電常數，即色散及吸收等信息。
  17. Electromagnetic compatibility and radio spectrum matters - maritime mobile transmitters and receivers for use in mf and hf bands - part 1 : technical chatacteristics and methods of measurements

    電磁兼容和射頻頻譜管理. mf和hf波段用海上移動發射機和接收機.技術特性和測量方法
  18. The comparison between the results of calculation and measurement shows that the two results are in good agreement for the broad band antenna in the l band and the waveguide - coax converter of bj48 type used as antenna in the c band, with a difference of less than 0. 7db, and that the two results also agrees well in the x band for the waveguide - coax converter of bj100 type used as antenna, with an error close to 1db only at few points in the given frequency range

    比對結果表明: l波段（加脊天線） 、 c波段（ bj48型波導同軸轉換作為接收喇叭）的模擬結果與實測結果符合得較好，誤差小於0 . 7db ;在帶內， x波段（ bj100型波導同軸轉換作為接收喇叭）的模擬結果與實測結果比較一致，只在個別頻率點處誤差近1db 。
  19. For the application of direct broadcast satellite ( dbs ), a ku - band high image rejection broadband mixer is designed using ads. it appears predominant performances when compared with common single balanced mixer

    針對衛星電視直播接收系統，用ads設計了一個寬頻帶、高鏡像抑制度、低噪聲的ku波段鏡像抑制混頻器，並同普通平衡混頻器進行了對比分析，顯示了其優越的性能。
  20. The first chapter, introduce the rf receiver ’ s devolop and current situation. the second chapter, introduce the effect of the exterior environment to the rf receiver. the third chapter introduce some different structure and the design parameters of each structures. the parameters of the rf receiver are introduce in fourth chapter. the fifth chapter design a s band rf receiver. this s band rf receiver use a structure of superheterodyne module

    第五章，介紹了一種s波段射頻接收前端的設計，基於分析的結果對一種射頻接收機的低噪放大、下變頻、鎖相環（ pll ）頻率合成器、中頻agc電路進行了設計，並在第六章完成了接收機各組件及總體的測試。
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