millimeter wave band 中文意思是什麼

millimeter wave band 解釋
毫米波段
  • millimeter : n. 毫米〈千分之一米〉。
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  • band : n 1 帶，繩；帶形物；箍；箍條；嵌條；鑲邊；鋸條； 〈pl 〉 （法官等的）寬領帶。2 束縛，羈絆；義務；...
  1. This kind of switch has small cubage and high dependability. it is easy to integration, and has wide foreground in millimeter - wave band

    這種開關體積小、可靠性高且易於集成，在毫米波段有廣闊的應用前景。
  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 experimental result expresses that the frequency doubler - power amplifier sets of ka - band can supply good local oscillation source for " millimeter - wave front - end of " lmds " ". the model has the advantages of low cost, small size and high reliability

    實驗結果表明，倍頻放大組件能夠為lmds毫米波前端提供很好的本振源，並且具有成本低、體積小、可靠性高等優點。
  4. Two high q bandpass filters at millimeter wave band based on substrate integrated waveguide ( siw ) and low temperature co - fired ceramics ( ltcc ) are designed in this thesis, and one is realized

    本文主要講述了基於介質集成波導（ siw ）技術和ltcc工藝的毫米波頻段高q濾波器的研製。
  5. At first, the character of millimeter wave and frequency multipliers in millimeter wave band is introduced. based on the principle of harmonic frequency extraction in nonlinear device, we present the avalanche diode high order frequency multipliers in w band

    利用雪崩效應中強烈的非線性電感特性，基於非線性器件諧波提取的思想，對倍頻器電路進行了優化模擬，採用雪崩倍頻二極體研製了w波段雪崩高次倍頻器。
  6. Chapter 2 introduces the principle theory of lna, harmonic mixer, multiplier, spdt, vco and the basic design flows of the ads examples ( x - band ), the power combine technology, the millimeter - wave power amplifier mmics ’ trends nowadays

    第三章介紹了毫米波前端中無源電路的設計，包括毫米波窄帶濾波器的設計、微波和中頻濾波器的設計、波導到微帶的過渡、微波信號的層間過渡。
  7. 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。
  8. In passive section, above all, i introduce theory about microstrip line. millimeter - wave band - pass filter and wave guide - to - microstrip transition. designing two type of coverer by image - reject mixer and hmc329

    無源電路部分，我們首先對傳輸線的種類，耦合微帶線的傳輸特性和微帶波導過渡的基本原理進行了分析。
  9. Traveling wave tube ( twt ) is a kind of broad - band, high powerh, high gain microwave millimeter wave amplifiers. they are widely used in communication, electronic warfare, rader system and microwave directional power weapon, taking an irreplaceable role in modern military electronic equipments and communication

    行波管是一種高增益的寬帶/毫米波功率放大器件，廣泛應用於數據通訊、電子對抗、預警飛機、火控雷達、精密制導，在現代軍事電子裝備中顯示出不可取代的重要作用，是國家重大專項的核心電子器件。
  10. Fourthly, by an analysis of log - amplitude scintillation due to troposphere turbulent, it is shown that the relative humidity and temperature are the major factor impacted on log - amplitude scintillation, at microwave and millimeter - wave band

    第四，根據大氣湍流理論分析了在微波和毫米波波段影響幅度閃爍的主要因素是大氣相對濕度和溫度。
  11. Firstly, the characteristics of millimeter - wave and its applications are introduced. it also gives the latest development of the ka - band solid state impulse - transmitter and its correlation components

    論文首先論述了毫米波的特點及其應用，並簡要介紹了毫米波固態脈沖發射機及其相關部件的發展概況以及本文的研究意義。
  12. 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。
  13. The millimeter wave diplexers used in the ka - band satellite communications are investigated. these diplexers are of high working frequency, narrow passband and high selectivity, which demands the channel filters good performance

    所研究的毫米波雙工器工作頻率高（接近40ghz ） ，收發通道帶寬窄、接收頻率和發射頻率間隔很小。
  14. At last this article describes the theory of the millimeter wave object detection system and provides a project of the system in detail. this 32 - channels focal plane array imaging system operates in 8mm band. it can provide 90 15 degrees field of view, and displays the acquired image during 6 seconds in sunny and foggy

    該系統採用的是32通道焦平面陣列多波束成像體制，系統工作在8mm波段用以提供90 15視野並且在晴朗及有霧的天氣狀況下能在6秒內對周圍景物進行成像。
  15. This dissertation is a part of the research project, " millimeter wave synthetic aperture radar ( sar ) ", which is the pre - researchful item of the elelctric 10th institute of ministry of information industry. it ' s aim is to improve performance of stop - band of waveguide band - pass filter ( bpf )

    本論文工作是中國電子科技集團公司第十研究所「十五」預研項目「毫米波合成孔徑雷達」中的一部分。要求對目前的e面全金屬膜片波導濾波器進行改進，提高其阻帶性能。
  16. We have researched the integration oscillator working at millimeter wave band

    本文開展了毫米波集成振蕩源的研究工作。
  17. Firstly, the assembly technology at millimeter - wave band was introduced and a common rule of bondwire ’ s influence to system performance was summarized through simulation method. as the performance of mmic is sensitive to its channel temperature, the optimum thermal design for power combiner was presented

    由於微組裝工藝質量對毫米波頻段的功率合成器電性能有很大影響，本文討論毫米波微組裝工藝，進而藉助電磁場模擬研究了金絲互連對傳輸性能的影響，並進行了焊接工藝實驗。
  18. For reflecting element, elements are designed in light wave bands ( visible and infrared light ), and a element also designed in millimeter wave band

    對于反射式元件而言，設計了在不同光波段（可見光與紅外）的元件，而且設計了改變毫米波場分佈的元件。
  19. The latter, upcoverer is fabricated by using hmc329. at last, millimeter wave band - pass filter is also simulating by senerade 8. 0 and ads software

    利用senerade8 . 0和ads軟體模擬建立模擬模型，以此進行了設計和製作，並對模擬和測試進行了比較和分析。
  20. Our work have proven the possibility of avalanche high order multiply technology in millimeter wave band, and present valuable research for the novel millimeter wave frequency source technology

    實驗驗證了利用雪崩器件在毫米波頻段實現高次倍頻切實可行，對這種新型毫米波頻率源技術進行了有益的研究和探索。
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