microwave source 中文意思是什麼
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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。 -
The power source is not microwave radiation but is either a laser beam or a charged particle beam
能量的來源不是微波幅射，而是雷射光束或是帶電粒子束。 -
The research focus concentrates on the use of feas as a cold cathode source for microwave power amplifiers or flat panel displays. now silicon and molybdenum are the most popular materials used for tip field emitter arrays
針對目前場發射陣列陰極的研究情況，較為常用的是鉬微尖場發射陣列和硅微尖場發射陣列。 -
At present, feas have potential for use as an electron source in a wide variety of applications, including microwave power amplifiers ( such as twts, klystron ), flat panel displays, electron microscopy, and electron beam lithography
目前，場致發射陣列陰極的應用領域十分廣泛，主要包括微波器件（應用於twts ， klystron等） 、平板顯示器（ feds ） 、電子顯微鏡及電子束刻蝕系統等。其中，應用研究的焦點主要集中在平板顯示器和射頻功率放大器。 -
By film thickness measured, fourier transformed infrared spectrometer ( ftir ) analysis, x - ray photoelectron spectroscopy ( xps ) analysis and relative irradiance measurement, the effect of microwave input powers on deposition rates, f / c ratios, bonding configurations of ct - c : f films and the radicals in plasma originating from source gases dissociation is analyzed
由於微波功率的改變會導致等離子體中電子溫度和等離子體密度發生變化，從而造成不同的源氣體分解過程，結果微波功率的升高導致了薄膜沉積速率的提高、 f / c比的降低，同時也導致薄膜中cf和cf _ 3基團密度的降低，而保持cf _ 2基團密度接近常數。 -
On - line measurement of microwave power in ecr ion source
離子源中的微波功率在線測量 -
Msl power source produced by us, is able to control two high voltage transformer in a order, and can stop power supply when meet trouble at starting or meet abnormal extinguishment. thus, microwave leakage can be controled
我們做的微波硫燈電源能夠控制兩臺高壓變壓器先後啟動，能夠在微波硫燈啟動異常和突然熄滅的時候自動斷電，從而有效地控制了微波泄漏。 -
This paper uses an optically modulated scatterer system to measure microwave field with minimal disturbance. this method is especially adapt to measure magnitude and phase of microwave field close to conductor and microwave field with complex path between source and field. so it can be used to measure radiation antenna ’ s near - field and microwave into slots
光調制散射器的測量方法最大限度地減少了測量裝置對被測場的擾動，特別適合於測量導體附近和具有復雜路徑場的幅值和相位分佈，可以用於對輻射天線近場的測試以及孔縫耦合中場的測量，可為天線的設計，微波孔縫耦合效應的研究提供較精確的實驗數據。 -
Microwave sulfur lamp ( msl ) is a kind of effective electrodeless electrical light source
微波硫燈是一種高效節能的無電極電光源。 -
It is a stablereliable continuously microwave power source, and is used for processing of oil - cereal foodagricultural products, vulcanizing ofrubber, sintefing of ceramic, chemical reactionother advanced technology etc
該機能提供穩定的微波功率，可配合不同微波設備用於食品、農副、林木、化工、輕紡產品的加熱乾燥，殺菌保鮮及高科技領域等。 -
The highest sintering temperature got higher and the speed of temperature became faster, with the fining of the powder particle size or the increase of the microwave source ' s power or the decrease of the green compact ' s volume. the sintering time became shorter, with the fining of the powder particle size or the decrease of the microwave source ' s power or the increase of the green compact ' s volume
隨著功率的提高，燒結的最高溫度上升、燒結時間延長、升溫速率略有提高；隨著粒徑的減小，燒結的最高溫度上升、燒結時間縮短、升溫速率明顯提高；隨著初坯體積增大，則燒結的最高溫度下降、燒結時間縮短、升溫速率降低；初坯的密度對燒結過程影響不大。 -
Frequency source is widely used in today ' s electronic equipment and even refered as " a heart " of many electronic systems. the frequency synthesizer with a lot of channels and high frequency stability by means of theory of phase locking has almost been a necessary component in the modern electronic systems such as telecommunication, radar and electronic countermeasure. the phase - locked frequency synthesizer can be generally divided into two kinds : one is digital phase locked frequency synthesizer, the other is analog sampling phase locked frequency synthesizer. compared with the prior, the latter has many merits such as lower phase noise, samller volume, lighter weight and lower power consumption and has a wide foreground in the equipments of microwave band
利用鎖相原理來獲得波道數目眾多、頻率穩定度很高的頻率合成器，幾乎已成為現代通信、雷達和電子對抗等電子系統不可缺少的組成部分。鎖相式頻率合成器一般分為數字鎖相頻率合成器和模擬取樣鎖相頻率合成器兩類。取樣鎖相頻率合成器與數字鎖相頻率合成器相比，具有相位噪聲低、體積小、重量輕和功耗低等優點，尤其在微波波段的電子設備中，具有廣闊的應用前景。 -
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。 -
Radial transit time oscillator ( rtto ) is a promising novel high power microwave source based on the radial transit - time effect. it can operate under the condition of low impedance and without external guiding magnetic fields
徑向渡越時間振蕩器（ radialtransittimeoscillator ，簡稱rtto ）是一種前景光明的基於徑向渡越時間效應的新型高功率微波源，能在低阻抗、無外加磁場條件下工作。 -
A new high power microwave source, the axial acceletron is presented in this paper. compared with the radial accelectron, an acceleration region is added after the diode / oscillator and radial acceleration is change to axial acceleration. the bunching and radiation of the electron beam in the device are investigated
最後，我們提出了一種新的高功率微波器件? ?軸向加速管，與徑向加速管比較，有兩個不同：在二極體/共振腔后加一個加速段，並將徑向加速改為軸向加速。 -
At the end of the thesis, the basic physical characteristics of axially - emitted and radially - emitted electron beam are summed up, and the design methods of sws ( slow wave structure ) for high - efficiency beam - wave interaction according to the motion characteristics of e - beam are brought forward, these helpful discussions for design of microwave source are going to be validated by pic method
最後，本文在總結電子軸向、徑向和角向運動基本規律的基礎上，從電子運動的角度提出了高效率束波相互作用慢波結構的設計思路，為微波源的設計提供了一些有益的參考。 -
The result showed that microwave source ' s power, powder particle size and green compact ' s volume have great influence on the sintering process during the microwave magnetic sintering of ndfeb magnets
研究表明：在微波磁場燒結ndfeb磁體時，微波功率、粉體粒徑、初坯大小對其燒結過程影響較大。 -
A new type of x - band high power microwave source - the resonator cerenkov oscillator - tapered amplifier tube ( rco - tat ) is put forward for the first time in the present paper. the proposed high power microwave device is based on a comprehensive investigation of related research work in the world and is in agreement with the demands to the development of practical high power microwave sources
在較全面調研和認真分析高功率慢波器件發展趨勢的基礎上，結合返波振蕩器等切侖科夫器件和漸變錐形結構微波器件的特點，提出了一種新型x波段高功率微波發生器?低磁場諧振腔切侖科夫振蕩器?錐形放大管（ rco - tat ） 。 -
As pointed out earlier, those sources eliminate the need for a heavy external magnet. two hpm sources magnetically insulates line oscillator ( milo ) and the reltron have been researched and improved. finally, a new high power microwave source, the axial acceletron is presented in this paper
首先對幾種高功率窄帶微波源進行了評估，然後著重研究無引導磁場最具備代表性的兩種器件，磁絕緣線振蕩器（ milo ）和super - reltron ，並提出了改進的措施。 -
This thesis summarizes our study work on the nonlinear characteristics and laws of high power microwave source in nonlinear regime
本文概述了作者對高功率源非線性行為的特性和規律方面所作的研究工作。
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