毫米波通信 的英文怎麼說

中文拼音 [háomǐbōtōngxìn]
毫米波通信 英文
milimeter wave communication
  • 毫 : Ⅰ名1 （細長而尖的毛） fine long hair 2 （毛筆） writing brush 3 （姓氏） a surname Ⅱ副詞（一點兒 ...
  • 米 : Ⅰ名詞1. （稻米） rice 2. （泛指去殼或皮的可吃的種子） shelled or husked seed 3. （姓氏） a surname Ⅱ量詞（公制長度的主單位） metre
  • 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...
  • 通 : 通量詞（用於動作）
  • 毫米 : millimetre （mm. ）; [力學] millimeter of mercury （mmhg）毫米汞柱 milli hg
  • 通信 : communication; communicate by letter; correspond
  1. Bing high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasama calefaction, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. prof. liu shenggang began the research on electron cyclotron maser, and later, the group leaded by prof. li hongfu has done much research work on gyrotron also, and later, they have began the research on a kind of gyrotron amplifier - - - - - - gyroklystron

    迴旋脈塞器件? ?迴旋管作為大功率毫米波源，在等離子體加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景，因此受到了國際上的廣泛重視，特別是近三十年來，迴旋管得到了快速的發展，並成為了研究的熱門方向。
  2. 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。
  3. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  4. Millimeter wave system has many distinct advantages such as miniaturizing system components, increasing frequency band width, providing higher detectability, uneasily influenced by atmosphere conditions, etc. this makes millimeter wave technique get the increasingly extensive application in radar, communications, electronic warfare, guidance, remote sensing, radiation survey, therefore the research of millimeter system is very vital for civil, the industry, national defense

    毫米波系統具有可以使元部件小型化、增加系統帶寬、提供高解析度以及受大氣條件的影響較小等許多明顯的優點，這使得毫米波技術在雷達、通信、對抗、制導、遙感和輻射測量等技術領域中得到日益廣泛的應用，所以毫米波系統的研究對於民用、工業、國防具有重要的意義。
  5. Mm - wave communication suited for tv broadcast

    適于電視廣播的毫米波通信
  6. This dissertation develops two millimeter waves microstrip antenna arrays which can be applied to the millimeter wave radar, the communication and the identification for friend - or - foe

    本文所研製的兩個毫米波微帶天線陣可應用於毫米波雷達，通信與敵我識別系統等方面。
  7. So its naissance brings a lot of hope and promotion to application and deploitation of milimeter and submilimeter - wave. because of gyrotron, s superiority of high peak power and average power among many known milimeter and submilimeter - wave gyrodevices, it has been paid much respect in the world for application in many areas such as plasma heating, rf accelerator, millimeter radar, dew and so on

    由於迴旋管具有在毫米、亞毫米波段其它器件無可比擬的高峰值功率、高平均功率的優越性，因此在受控熱核聚變等離子體的迴旋管加熱（ ecrh ） 、電子高能rf加速、雷達系統、通信系統以及定向武器（ dew ）等方面都有著廣闊的應用前景。
  8. Through analyzing the principle of millimeter wave radiometer, the paper sets up the theory module of millimeter wave radiometer ' s output signal, measures the 3mm and 8mm band targets " radiation and scattering characteristic

    通過分析毫米波段輻射計的工作原理，建立毫米波輻射計輸出信號的理論模型。對3毫米、 8毫米波段目標輻射特性和散射特性進行測試，並對測試方法的可行性進行分析。
  9. The injection - locking technology, characterized by the frequency stabilization, amplification, modulation and etc, has been widely used in the small - signal recovery, frequency synchronization, power synthesis, phase modulation and etc in the microwave, millimeter wave and higher frequency range communication and phased - array systems

    注入鎖定技術具有穩頻、放大、調制等特性，已被廣泛應用於微波毫米波以及更高頻段通信和相控陣系統中的小信號恢復、頻率同步、功率合成、相位調制等。
  10. Because gyrotron traveling wave tube amplifier ( gyro - twt ) is an important millimeter wave amplifier with the characteristics of the high output power, the broadband width, and good efficiency, which has vast application vistas in many areas such as millimeter radar, communications, electronic countermeasure, and so forth, it has been pay much respect in the world

    迴旋行波管是一種大功率、高效率、寬頻帶放大器，在毫米波雷達，通信與電子戰等方面有十分重要的應用前景，因而在國際上受到高度重視。由俄羅斯人g . denisov等提出的螺旋波紋波導是一種比較理想的結構。
  11. Gyrotron has the superiorities, high peak power and high average power. so gyrotron is vastly applied in many areas, such as plasma heating, controlled thermonuclear fusion ( ctf ), radar, communication, electron countermeasure

    迴旋管具有在毫米、亞毫米波段其他器件無可比擬的高峰值功率、高平均功率的優越性，因此在等離子體加熱、受控熱核聚變、雷達、通信及電子對抗等方面都有著廣闊的應用前景。
  12. The millimeter has the largest frequency band and the highest velocity of communication, but it has the highest cost and technical defaults : multi - path effect, reflect and scatter caused by cloud, smoke, water - dropping, the buildings, the grounds and its shape, the interference caus ed by the thunder, the complexity of device, difficult maintenance, and so on. now the band of the leakage coaxial line is up to 3ghz, leakage coaxial line has some advantages : good adaptability to cloud, smoke, water - dropping, the buildings, the grounds and its shapes, good steady field, it has some technical defaults : lower resolution for location and measuring velocity, the more complex of its sending - receiving relay devices, weak anti - interference, the strict demand for the hole size in the line, the cleaner work environment and the higher cost

    毫米波具有最大的帶寬和最高的通信速率，但也有最高的成本要求和較難克服的技術問題，即傳播的多徑效應，降水、雲霧、地形、地貌、建築物等的反射散射，打雷時的嚴重干擾，設備復雜，維護困難等等；泄漏同軸電纜的帶寬目前已做到3ghz ，具有對地形地貌建築物的適應性強，場強穩定，但它的定位測速精度低，它的收發中繼設備較復雜，抗干擾能力低，電纜上的開槽有著嚴格的尺寸要求，工作環境要求清潔，成本較高；傳統無線感應技術具有結構簡單，成本低廉，維護方便，定位精度較高的優點，但是，它沒有抗干擾能力。
  13. Millimeter - wave oscillators are hearts of millimeter - wave systems, and key components of millimeter - wave systems for radars, communications, electronic - wars and so on

    毫米波振蕩源是毫米波系統的核心，是雷達、通信、電子對抗等毫米波系統的關鍵部件之一。
  14. Being high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast application in many areas such as plasma heating, linear accelerators, radar, communication, electronic countermeasure and so forth

    迴旋脈塞器件-迴旋管作為大功率毫米波源，在等離子加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景，由此受到了國際上的高度重視。
  15. Being high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasma heating, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. specifically in twenty years later, there was much developments on gyrotron

    迴旋脈塞器件? ?迴旋管作為大功率毫米波源，在等離子體加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景，由此受到了國際上的高度重視，特別是近二十年來，迴旋管得到了快速的發展，並成為研究的熱門方向。
  16. Mixer is the key component in the millimeter wave ( mmw ) communications, radar, electromagnetic countermeasure, and measurement systems

    毫米波混頻器是毫米波通信、雷達、電子對抗、測量等系統中的關鍵部件。
  17. The microwave or millimetre - wave communication represented by the satellite communication stimulate the improvement of semiconductor materials and devices. my subject is coming under the above conditions

    以衛星通信為代表的微波、毫米波通信的發展，同時又在刺激著半導體材料和半導體器件的不斷發展。
  18. With the development and application of the microwave communication system 、 precision guided technologies and electronic countermeasure etc, the research on dielectric materials such as circuit dielectric substrate 、 antenna unit dielectric substrate and radome are paid more and more attention

    隨著毫米波通信系統、精確制導、電子對抗等技術的發展和應用，對電路介質基片、天線單元介質襯底、天線罩等介質材料的研究越來越受到重視。
  19. 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。
  20. Along with millimeter wave technology development, the high speed modulate 155mb / s millimeter wave receiver requires that the local oscilloscope performance should be excellent to satisfy its communication requirement. this article aimed at the requirement of 8mm millimeter wave receiver and developed a high performance millimeter yto frequency synthesizer. the article introduces several millimeter wave frequency synthesizers and analyzes their characteristic

    隨著毫米波技術的發展，在毫米波段高調制速率的毫米波通信機對毫米波本振源提出了更高的性能要求，本文針對8mm高速寬帶155mb / s無線接入通信系統對毫米波本振源的要求，介紹了幾種毫米波頻綜的設計方案，並進行了分析，最後決定採用鎖相倍頻的方案。
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