microwave sources 中文意思是什麼

microwave sources 解釋
微波源
  1. We have all kinds of purple clay steam boats which can be directly placed on heat sources such as gas stoves, electric stoves, induction cookers, charcoal burners, microwave ovens and convection ovens for braising, cooking, frying and steaming foods

    我廠生產的各式紫砂耐熱鍋、壺都可直接放在煤氣爐,煤餅爐、電爐,電磁爐、木炭爐,微波爐,光波爐等的各種熱源上進行燉,煮,炒,烤等烹調使用。
  2. Plasma technique was introduced in the research of high power microwave ( hpm ) sources in recent decade. the performance of hpm sources is improved much by filling plasma which is promising in this field. filled - plasma travelling - wave tubes ( fptwt ) is a part of them. it is the main task of this paper to research and design fptwt ' s electron optics system and simulate it

    近十年來,在高功率微波的研究熱潮中,引入了等離子體技術。引入等離子體能顯著改善高功率微波源各方面的工作性能,已經成為高功率微波源發展一個頗有前景的新方向,等離子體行波管即是其一個典型代表。
  3. Duo to the intrinsic characteristics of the gaas material, serai - insulating ( si ) gaas photoconductive semiconductor switches ( pcss " s ) have more obvious advantages in the performance of both high power and ultra - fast switching than those pcss " s made of other materials and then can be widely used in ultrahigh speed electronics, field of high power microwave generation and pulse forming ( pulse sources of high power ultra - fast electromagnetism, ultra - wide - band microwave generator )

    半絕緣gaas光電導開關( photoconductivesemiconductorswitches簡稱pcss ' s )具有兼備寬頻帶和高功率容量特性,使其在超高速電子學和大功率脈沖產生與整形技術領域(大功率亞納秒脈沖源、超寬帶射頻發生器等)具有廣泛應用前景。
  4. 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。
  5. Many high - power microwave ( hpm ) sources utilize an azimuthally symmetric output mode such as the tm 01 circular waveguide or the coaxial tem mode as output mode. if radiated directly these azimuthally symmetric modes will generate a doughnut - shaped pattern, with a null on boresight

    許多高功率微波源產生的微波模式都是圓波導軸對稱模式,由於其輸出埠的口徑場分佈具有圓對稱性,將導致軸向為零的環狀遠場方向圖。
  6. Water dielectric pulse power modulator has been widely applied because of its merits of high energy storage density, compactness, and capability to drive low impedance high power microwave sources. research for multi - pulse operation of high power spark gap switch with high current and comprehending its physical properties are the basis to study multi - pulse operation or repetitive operation of water dielectric pulse power modulator

    水介質脈沖功率調制器具有儲能密度高,結構緊湊、與低阻抗微波源較好匹配的特點,因此得到廣泛的應用,但是受到高功率、大電流氣體開關的絕緣恢復的影響,水介質等低阻抗脈沖功率調制器的重復頻率運行或多脈沖運行受到較大的限制。
  7. Owing to the anisotropic and the biharmonic nature of microwave radar backscatter on spaceborne scatterometer, and to the scatter model function nolinear and the existence of various noise sources in the measurements in addition to the model function, the retrieval wind results consist of as many as four wind directions

    由於衛星散射計探視雷達回波的各向異性的雙調和性質,同時由於散射物理模型函數的非線性及信號中存在噪聲,使得常規點方式風場反演中風向有多至4個解的多解存在。
  8. In microwave system the separate input from various sources must be brought together to give a composite input which is then transmitted and received by radio

    在微波系統中,來自各處的分散的輸入必須被匯集在一起,以形成一個綜合的輸入,然後由無線電發送和接收。
  9. Abstract : some plasma sources in plasma microwave devices have been introduced and analyzed in this paper, the design and its driving circuit of a compact hydrogen plasma gun have been discussed in detail

    文摘:介紹和分析了幾種等離子體微波器件中等離子體源,重點討論了緊湊型氫等離子體槍的設計及其驅動電路。
  10. In modern microwave and millimeter wave communication systems, the low phase noise frequency sources have the key effects in the systems ’ performance. especially in the national defence, the effects are more obvious. so in this paper, a method to realize the low phase noise x - band frequency source has been proposed, designed, produced and tested

    在現代微波、毫米波通信系統中,低相噪頻率源對系統性能起著非常關鍵的作用,特別是在軍事國防上,這種關鍵的作用更加明顯,為此在本論文中,就如何實現x波段頻率源的低相噪性能,給出了一種設計方法並對其進行了實現。
  11. In this paper, both error sources of the automatic test system and error correction principles of modern programmable microwave instruments are also analyzed. error correction technique is used to make the system error within the allowed range so that system test accuracy is greatly increased

    論文還分析了本自動測試系統的誤差來源,分析了現代可程式控制微波儀器的誤差修正原理;利用誤差修正技術,將系統誤差修正到測量允許的范圍,大大地提高了系統的測試準確度。
  12. 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 ) 。
  13. 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。
  14. Second, several feasible methods with which to incorporate the microwave devices into the fdtd simulation of microwave active circuits are discussed. direct implementation places the circuit element on the edge of a fdtd cell as a two - terminal element in the device region. another implementation is to place effective electric currents, or equivalently, current sources, voltage sources and effective magnetic current sources

    接著研究了如何把微波器件加入微波電路中進行fdtd模擬的幾種方法,其中一種方法是把微波器件作為一個二埠元件放置在一個網格的邊上直接進行fdtd運算,另外一種方法是在有微波器件的區域使用有效的電流來代替微波器件,或者等效的源,包括等效電流源,等效電壓源和等效磁流源。
  15. Being a source of microwave it is provided with merit of power and bandwidth at the same time, photoconductive semiconductor switches has unique predominance in the field of power pulse technology and thz sources

    光電導開關作為兼顧脈沖功率和帶寬的微波源,在thz電磁波的產生方面以及功率脈沖技術領域具有獨特的優勢。
  16. Microwave circuits. measuring methods for solid noise sources

    微波電路.固態噪聲源測試方法
  17. With the rapid development of science and technology, especially in high power microwave technology, high power pulse microwave sources are widely used. thus, the requirement for measuring the power and frequency of high power microwave is improved

    隨著科學技術的發展,尤其是大功率微波技術的發展,大功率脈沖微波信號源應用越來越廣泛,這樣對功率和頻率測量設備的要求也越來越高。
  18. A brief description of the light high power microwave ( hpm ) sources are given

    本文主要從高功率微波源小型化的角度,重點研究了無引導磁場的高功率微波器件。
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