放射功率 的英文怎麼說

中文拼音 [fàngshègōnglǜ]
放射功率 英文
emissive power
  • 放 : releaseset freelet go
  • 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） ...
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 放射 : radiate; emit; blas; radiation; emission; shooting; shedding; abjection; emanation; effluence
  1. The power of the modulated carrier wave is increased by the rf power amplifier

    射頻功率放大器增加了調變載波的功率。
  2. Experimental results show that the bistable of tuned substrate self - bias was determined by discharge gas pressure, discharge power and tuning circuit parameters etc. the bistable exists is because of there is capacitive coupling in icp system and sheath capacitance is nonlinear

    實驗結果表明這種跳變回滯現象與等離子體的放電氣壓、射頻功率以及調諧外電路的參數等多種因素密切相聯系。而產生跳變回滯現象的原因是icp中存在容性耦合以及鞘層電容具有非線性特性。
  3. Graduated from medicine major in harbin medicine university in 1967, engaged in clinic more than 30 years and accumulated abundant experience of irradiation therapy of tumor ; currently acts as vice director, chief physician and professor of gamma knife therapy center ; carries out the research in depth on gamma knife therapy of nerve functional diseases, with the experience in three - dimensional direction therapy from abroad and promote the center to firstly start gamma knife therapy against dependence on medicine and intense ache in aohua national system

    1967年畢業于哈醫大醫學系，從事臨床工作30餘年，在腫瘤放射治療中積累了豐富的經驗，現任伽瑪刀治療中心副主任，主任醫師，教授。在伽瑪刀治療神經功能性疾病方面進行了深入研究，借鑒國外立體定向治療的經驗，推動本中心在全國傲華系統率先開展了對藥物依賴及惡痛的伽瑪刀治療。
  4. General specification for military rf power amplifier

    軍用射頻功率放大器通用規范
  5. Beam - tetrode power amplifier

    束射四極管功率放大器
  6. With the purpose that people in countryside and rural area can listen to the sounds of communist party and chinese government, “ xi xin project ” has been carried out state general bureau of the radio and television and set up tens of 500kw sw radio transmitters, ten of them were installed, whom were th558 with find power amplifier, a kind of ultrahigh power mental - ceramic tetrode from french thomson company

    為使我國廣大農村和邊遠山區群眾能聽到黨和政府的聲音，國家廣播電視總局組織實施了「西新工程」 ，部署了數十部500kw短波廣播發射機，其中十部的末級功率放大管採用法國湯姆遜（ thomson ）公司生產的th558超大功率金屬陶瓷四極管。
  7. Test results show that under 2 - tone test in 5mhz tone spacing, the power amplifier system achieves - 50dbc imd3 with 20w output power, improved 20db in imd3 compared with the one without linearity. estimated value of aclr comes to 53db, which satisfies the 3gpp requirement for wcdma base - station transistor. further tests with alterative input power indicate a steady suppression to the imd3 controlled by the adaptive system

    測試結果表明，自適應前饋功放系統在雙音輸出功率20w時三階交調系數小於- 50dbc ，鄰通道泄漏抑制比（ aclr ）的估算結果大於53db ，在理論上滿足3gpp對wcdma基站發射機的指標要求。
  8. Based on the original data of tm in 1988, 1992 and 1998, then after some processing and analysis, the author have the thematic data of land - use by interpretation. on the basis of them, the author made the analysis of land - use for this area based on the spacial analysis of gis and the method of comparison between result of land - use classification as follows : the method of aggregating analysis, the analysis of urbanization, the analysis of the transformation rate of cultivated land, the analysis of the driving force of land - use change and the sustainable use of land. the conclusions may be demonstrated below : the cultivated land decreases with the patchs fragment ; road spreads radialy surround second - ring road ; the urban land expands quickly toward southwest along the major roads and be concentrative. rural land and industry increse rapidly with dispersing ; 0thers change slowly. the major driving forces of land - use change in this area are the rapid expansion of urban and rapid growth of population, foreign investment and the development of tertiary industry which was based upon the real estate. according the trendency of land - use change, the author consider that we must insist on the way of the sustainable use of land based on protecting the cultivated land

    在此基礎上，應用分類結果比較法，在gis各種空間分析功能（幾何量算、統計分析、疊加分析及緩沖區分析）的支持下，對該區土地利用變化進行了如下分析：土地利用綜合分析、城市化進程分析、耕地轉化率分析、土地利用變化因素分析及土地的可持續利用分析。結果表明：該區土地利用變化主要表現為耕地大量減少，斑塊破碎化；交通用地沿二環線呈放射狀向四周擴展；城鎮用地沿交通干線向西南方向擴張迅速，用地趨于集中；農村居民點和工礦業用地增加，用地趨于分散；其它用地變化較慢。這一用地變化的主導因素是城鎮用地擴展快、人口增長迅速、外資的大量投入及以房地產為主的第三產業的快速發展。
  9. In the two - photon resonance case, part of the input pulse energy is transformed into higher and lower frequency components through amplified spontaneous emission and four - wave mixing, and the medium shows strong optical power limiting effect

    在雙光子共振情況下，即入射脈沖頻率等於1 、 3能級之間的共振頻率的一半，由於介質中放大的自發輻射和四波混頻的作用，部分入射脈沖能量轉化為高頻和低頻電場成分的能量，分子介質表現出了很強的光功率限幅特性。
  10. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  11. One forward optical transmitter module takes one slot, inside power double - amplification, low driving level 80dbuv, output optical power 4 20mw

    一個正向光發射模塊佔有一個槽位，內置功率倍增驅動放大。驅動電平低80dbuv ，輸出光功率420mw
  12. 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。
  13. A high efficiency dual - band rf power amplifier has an output and / or input of a high frequency transistor well terminated at the second harmonic frequency for dual - band operation

    本發明乃一種高效率雙頻射頻功率放大器，提供高頻電晶體的輸出端與?或輸入端于雙頻操作中有良好的二階諧波終止。
  14. Several new styles of radial klystron oscillators are studied theoretically and numerically. these new members include : the radial klystron oscillator with foldaway - concentric cylindrical cavity, the radial reflex klystron oscillator with virtual cathode and radial reflex klystron with open foldaway - concentric cylindrical cavity

    它們是折疊式諧振腔徑向速調管振蕩器，高功率虛陰極徑向反射速調管振蕩器，開放式同軸折疊式諧振腔徑向反射速調管振蕩器。
  15. One forward optical receiver module takes one slot, after power double - amplification inside, send out 1 way rf signal 104dbuv and 1 way level checking signal, or two - distribution output

    一個正向光接收器模塊佔一個槽位，內置功率倍增放大，輸出1路射頻信號104dbuv和1路電平檢測口，或二分配輸出
  16. The linearization of rf power amplifier

    射頻功率放大器的線性化技術
  17. Feedforward is generally known as the best performing linearization technique for its advantages, such as broadband, stability, etc. this paper introduces the theories of power amplifier nonlinear characters and feedforward technique. according to the rf specifications in 3gpp for wcdma transmitter power amplifier, an adaptive feedforward amplifier system is completed including eda simulation, circuits layout and main mechanical structure design

    本文根據3gpp對wcdma發射機功率放大器的射頻指標要求，在對功率放大器的非線性特性和前饋技術的特性進行詳細理論分析的基礎上，結合eda模擬工具，設計了基於自適應前饋的功放系統，並完成了系統的調試和測試。
  18. ( 5 ) from august, 2002 to april, 2003, on the base of analyzing of 10kw valve tv transmitter of channel 14, chongqing tv transmitting station, brought forward process the solidification scheme to 400w valve power amplifier of the driver

    重慶大學碩士學位論文中文摘要（ 5 ） 2002年8月至2003年4月期間，在對重慶電視發射臺14頻道（ uhf ） 10kw電子管電視發射機進行研究分析的基礎上，提出了對該機末前級400w電子管功率放大器進行固態化改造的方案並予以實施。
  19. The polytetrafluoroethylene ( ptfe ) is used as targets. fluorocarbon films are deposited onto polyimide ( pi ) and polypropyrene ( pp ) substrates, respectively. various discharge conditions ( voltage, vacuum and treating time ) are discussed

    本文利用射頻磁控濺射的方法，以聚四氟乙烯（ ptfe ）為靶材，在聚酰亞胺（ pi ）和聚丙烯（ pp ）基底上沉積氟碳膜，對不同工藝條件（放電功率、真空度、處理時間）進行了探討。
  20. The morphology of the sputter - deposited films were observed by scanning electron microscopy ( sem ) and atom force microscopy ( afm ). the effect of the power, discharged pressure, sputtering time and the ratio of ar / o2 on morphology has been studied

    利用掃描電鏡（ sem ）結合原子力顯微鏡（ afm ）研究了的濺射膜的表面形貌及成膜機理，並系統研究了各工藝條件（放電功率、工作壓力、濺射處理時間、氧氬比等）對表面形貌的影響。
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