雷達微波技術 的英文怎麼說

中文拼音 [léidáwéibōjìshù]
雷達微波技術 英文
radar microwave technique
  • 雷 : 1. （雲層放電時發出的響聲） thunder 2. （軍事上用的爆炸武器） mine 3. （姓氏） a surname
  • 達 : Ⅰ動詞1 （暢通） extend 2 （達到） reach; attain; amount to 3 （通曉; 明白） understand thoroughly...
  • 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...
  • 技 : 名詞（技能; 本領） skill; ability; trick; technique
  • 術 : 術名詞1. （技藝; 技術; 學術） art; skill; technique 2. （方法; 策略） method; tactics 3. （姓氏） a surname
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  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. Application of high - power microwave transmission technology to meteorological radar

    高功率微波發射技術在氣象雷達中的應用
  3. Recently, with the fast development of multi - targets identification and high resolution microwave imaging technologies, ultra - wide band radar has been more and more widely used in object imaging and object detection field

    近年來，隨著集群目標分辨識別、高分辨力微波成像雷達等技術研究的快速發展，超寬帶雷達在目標成像與目標識別領域得到了越來越廣泛的應用。
  4. Indispensable for high quality optical carrier signal reception in a large dynamic range, agc analog optical receivers are widely used in the optical transmission of radio and microwave signals, such as fiber catv, direct broadcast satellite tv, wireless communication and radar

    摘要自動增益控制模擬光接收機廣泛應用於光纖有線電視、光纖直播衛星電視、無線通訊及雷達等射頻微波信號光傳輸，是實現大動態范圍光載波信號高質量接收必不可少的一項技術。
  5. Frequency diversity technique is effective in suppressing age if the frequency interval is big enough to remove off the correlation between the pulses transmitted by radar, wide - band mmw radar can satisfy the requirement but conventional microwave radar can t

    頻率分集技術抑制目標角閃爍的有效性，取決于去除脈間相關性的性能，即要求雷達發射信號必須有較大的頻率間隔，寬帶毫米波雷達正好滿足了這一常規微波雷達不能滿足的要求。
  6. Key technologies are first introduced here such as the phased array antenna theory, dbf ( digital beam forming ) theory and the configuration of transmit and receive ( t / r ) modules. then part of analog circuitry is optimized with the digital technology. cell circular microstrip disk antenna successfully developed based on the theory of microstrip antenna, the four - celled circular microstrip disk antenna arrays are designed, simulated and analyzed with eda tools - hfss, opt1metrics

    本文以相控陣雷達組成為主軸，逐一對相控陣雷達關鍵技術中的天線陣原理、數字波束形成（ dbf ）技術和收發（ t r ）組件組成進行詳細的分析，利用數字技術對傳統相控陣雷達設計方案中的模擬電路部分進行改進；在理論設計單元圓形微帶貼片天線單元的基礎上，利用微波模擬軟體hfss和optimetrics對四單元的圓形微帶貼片天線陣進行設計與模擬；對相控陣雷達的幅相監測技術進行理論分析和討論，選擇最佳的幅相監測方案。
  7. With the development of radar technology, one of the obvious features of radar is the improved resolution. the imaging radar is a type of high - resolution radar, which is based on the technology of broadband microwave and advanced signal processing. by use of the imaging radar, which has broad applications and has become the focus of the field, the target can be imaged hi all weathers and at anytime from far distance

    隨著雷達技術的發展，現代雷達的最顯著特點之一就是對目標的分辨能力的提高，以寬帶微波技術和先進的信號處理技術為基礎的成像雷達，它作為一種高解析度的雷達，能夠對觀測對象進行全天候、全天時、遠距離的成像，有著廣泛的應用前景，成為研究的熱點。
  8. Surface acoustic wave ( saw ) device is an advanced analog signal processing device by means of acoustic wave character. since saw technologies is applied thirty years ago, saw devices accelerate growth because of their broad use and in the meantime their performance are raised constantly. because its high performance, light weight and good consistency, it is widely used in modern microwave communication and radar system and so on

    聲表面波（ saw ）器件是一種新型的利用聲波特性的模擬信號處理器件。聲表面波技術自誕生至今三十多年來，因其用途廣泛而得到迅速的發展，同時其性能也在不斷地提高。由於saw器件性能優良、重量輕、體積小、一致性好，廣泛地應用於現代微波通信、雷達等系統中。
  9. With the rapid development of communication technology in the civil and army area, receiver / transmitter is widely used in microwave and millimeter wave radars and communication systems. nowadays, the microwave band is so crowd that it cannot satisfy the need of modern electronic system

    隨著軍用和民用通信技術的飛速發展，收發（ t / r ）組件廣泛應用於軍用或民用的微波毫米波雷達和不同種類的通訊系統中，微波波段的利用過于擁擠，已經滿足不了當代信息社會各種電子系統對頻譜資源的需求。
  10. Synthetic aperture radar ( sar ) is an active microwave remote sensor, which has the high azimuth resolution by using the theorem of synthetic aperture. because of its widely application in military and civilian synthetic aperture radar has received more and more recognition

    合成孔徑雷達是主動式微波成像雷達，是利用信號處理技術以小的真實孔徑天線達到高解析度成像的雷達系統，由於其在民用和軍事方面的應用，越來越受到廣泛的關注。
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