混頻部件 的英文怎麼說

中文拼音 [húnbīnbùjiàn]
混頻部件 英文
mixing unit
  • 混 : 混形容詞1. （渾濁） muddy; turbid2. （糊塗; 不明事理） foolish; stupid
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 部 : Ⅰ名詞1 （部分; 部位） part; section; division; region 2 （部門; 機關或組織單位的名稱） unit; mini...
  • 件 : Ⅰ量詞（用於個體事物） piece; article; item Ⅱ名詞1. （指可以一一計算的事物） 2. （文件） letter; correspondence; paper; document
  • 部件 : component; unit; parts; assembly; subsystem; secundina （pl. secundinae）
  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. In active section, in order to meet performance of out put power above 10dbm, the power amplifier module of ka - band is fabricated by using hmc283 to achieve the 14db conversion gain. there are five parts that include of waveguide - to - microstrip ? mixer ? filter ? power amplifier and waveguide - to - microstrip. input signal ' s power is 10dbm, after it pass waveguide - to - microstrip, it ' s frequency is escalate from 30ghz to 35ghz

    該組件由五個部分組成：功率為10dbm信號經過波導? ?微帶過渡，然後混頻，濾波將30ghz提高到35ghz濾除不需要的諧波鏡頻以及三階交調信號，為了彌補混頻濾波的變頻損耗，加一級功率放大器，此放大器採用hittle公司hmc283晶元，此上變頻放大組件完成了上變頻?濾波?放大功能。
  3. Surface mounted piezoelectric devices for frequency control and selection - standard outlines and terminal lead connections - part 4 : hybrid enclosure outlines

    頻率控制和選擇用表面安裝的壓電器件.標準外形和端頭連接器.第4部分:混合外殼輪廓圖
  4. 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。
  5. In this chapter, the suitable devices and circuit structure have been choosed to design a second order multiplier, a fifth order multiplier, a sixth order harmonics mixer and a dro operating in 9. 4ghz. the forth chapter is a section of system realization and test, in this chapter, the system of low phase noise frequency source has been constructed and tested. the results show that the targets of the system have been achieved

    第三章的系統分器件與實驗數據部分，主要是以上述第二章的分析為基礎，以所推導的理論公式為指導選取必要的器件和合適的電路拓撲結構，分別設計實現了一個二次倍頻器，五次倍頻器， 6次諧波混頻器和一個9 . 4ghz的介質振蕩器，為後述整個系統的實現在硬體上做了必要的準備。
  6. Supposing chaotic ds - spread spectrum signal bandwidth is equal to the fh slot spacing, the bit error rate formula is derived, and its performance is evaluated and simulated assuming the worst case of jamming strategy. the results show that, in some cases, the addition of chaotic ds spreading to fh system, without increasing total system bandwidth, can improve significantly the system ' s resistance to partial band multitone jamming

    對最惡劣條件下系統的抗干擾性能進行了模擬研究，結果表明，在某些情況下，在慢跳頻系統中，加入混飩直擴成分，即使不增加系統帶寬也能有效地改善系統對抗部分頻帶多頻干擾的能力。
  7. Secondly, mixer circuit, one of the key part of rf circuits, was optimized and designed

    其次，優化設計了rf電路中核心部件之一的混頻器（ mixer ）電路。
  8. The method is attempted in lan, proved that it can be used to design microwave mixer circuit in lan, which can satisfy the need for group design. finally

    將此方法在lan上進行了嘗試，證明了其同樣適用於lan上的微波混頻器電路的設計，有助於滿足微波混頻器以及其他微波部件電路團隊設計的需要。
  9. Microwave mixer is one of the important microwave parts, as forepart of the receiver, it was applied in communication, satellite and high frequency electric measurement system and so on

    微波混頻器是重要的微波部件之一，其作為接收前端，廣泛應用於通信、衛星及高頻電子測量等系統中。
  10. The fourth, mainly talk about the phase noise in the pll, and discuss the specific affect on out put phase noise caused by different components in frequency synthesizer, such as mixer, amplifier, multipler, divider, oscillator, phase detector etc. the last part is about how to choice the natural frequency of pll in order to get the better performance in phase noise

    第二章從鎖相環的基本原理出發，介紹了鎖相環的幾個基本部件:鑒相器?環路濾波器和壓控振蕩器，對線性化鎖相環進行了詳細的分析，對數字鎖相環做了詳細的介紹，分析了鎖相環的相位噪聲模型，討論了頻綜中的混頻器
  11. It also designs the mechanism of realizing audio / video conference. in java runtime environment, a better method can be taken, this is to say, we expand the conception of jmfs " multiplexior ", getting the " audio mixer " object to manage the audio stream and getting the " video mixer " object and the " token click and preempt " control mechanism object to manage the video stream. at last this solution method gives afford the facts below : the quantities of persons who join the audio collaborate do not been restricted and people do not need a voice authority before they speak

    本文還對音頻視頻協作會議內部實現機制進行了重新設計改進，給出一種針對java運行環境的優化實現方法，它對jmf中的復用器對象的概念進行擴展，引入「混音器」處理音頻流、視頻復用器和「令牌控制機制」處理視頻流，提供了不限用戶數量和是否擁有發言權條件限制的音頻協作手段，也提供了用戶數量及發送權受限的視頻交流手段。
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