passive microwave 中文意思是什麼
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The utilization of the modal analysis in computer aided analysis ( caa ) of microwave and millimeter - wave waveguide passive circuits is studied in this dissertation
本論文主要研究了模式分析法在波導無源電路計算機輔助分析中的應用。 -
The paper is mainly focused on two fields. one is the formation of any thick porous silicon ( ps ) layers, which is content with 1c process. the other is the low - loss performance of passive elements fabricated on ps / oxidized porous silicon ( ops ) inter - layers under microwave operation
本論文主要的研究內容分為兩個方面：其一是厚度可控的與ic工藝兼容的多孔硅膜的形成技術研究；其二是研究在多孔硅氧化多孔硅介質膜上制備無源器件的微波低損耗特性之可行性。 -
Now a method is suggested which uses a passive remote sensing equipment - microwave radiometer for detection and identification of air object
文中提出了微波輻射計去探測和識別空中目標的方法。 -
More attention is paid to using satellite passive microwave remote sensing data in estimating precipitation and many algorithms for the retrieval of rainfall have been developed
衛星被動微波遙感資料在降水估計中的應用日益受到重視，多年來已經發展了多種演算法反演地面降水強度。 -
Many approaches have been proposed to achieve better rf / microwave performance of passive elements on low - r si substrates. the use of high - resistivity ( > 3000q. c / ? silicon substrate is suggested to mimic the low - loss semi - insulating gaas substrate, but this is an uncommon option for current silicon substrate
然而，由於低阻硅襯底的高頻損耗，在射頻微波應用中，要在低阻硅襯底上實現高q值的無源器件，尤其是電感，是相當困難的。 -
Passive microwave remote sensing
無源微波遙感 -
Application of passive microwave remote sensing to sea ice thickness measurement
無源微波遙感技術在海冰測厚中的應用研究 -
Resonant cavity, coupler and splitter are the most important passive microwave devices
諧振腔、耦合器、功分器都是重要的無源微波器件。 -
Application of various passive microwave components as functional ele - ments of industial sensors is considered
摘要考慮各種無源微波元件作為工業傳感器功能部件的應用。 -
Cable assemblies, cables, connectors and passive microwave components - screening attenuation measurement by the reverberation chamber method
電纜組件電纜連接器和無源微波元件.用混響室法測量濾屏衰減 -
Cable assemblies, cables, connectors and passive microwave components - screening attenuation measurement by the reverberation chamber method iec 61726 : 1999 ; german version en 61726 : 2000
電纜組件電纜連接器和無源微波元件.混響室法測量 -
In this thesis, the basic theory of the passive microwave device has been analyzed. then novel characters are explored and investigated. i design two couplers and a splitter according to the engineering
2 .詳細分析了帶狀線定向耦合器的原理，工程設計方法，並用cad設計軟體ads來設計製作了三段對稱與兩段非對稱的帶狀線耦合器。 -
In this paper, difficulties such as the design of hts microwave passive component, the lithography technology, encapsulation and testing at low temperature etc. are solved. a hts delayline with center frequency at 4ghz, bandwidth of 4ghz is manufactured and tested. it ’ s group delay is larger than 10 ns
本文在解決高溫超導微波無源器件的設計、光刻工藝、密封封裝和低溫測量等難點的同時，對一個f _ 0 （中心頻率）為4ghz ，帶寬4ghz的高溫超導延遲線進行加工、封裝、測量，群時延大於10ns 。 -
Synthetic aperture microwave radiometer represents a new technology being developed for passive microwave remote sensing
綜合孔徑微波輻射計是被動微波遙感發展的新方向。 -
Coplanar waveguides ( cpw ' s ) offer several advantages over conventional microstrips, these include the simplification of the circuit fabrication process, ease of parallel and series insertion of both active and passive components ( without the need for via holes ), and high circuit density. therefore cpw ' s are widely used in microwave and millimeter - wave integrated circuits, optical and high temperature superconductor microwave devices
與常規的微帶傳輸線相比，共面波導具有容易製作，容易實現無源、有源器件在微波電路中的串聯和並聯（不需要在基片上穿孔） ，容易提高電路密度等優點，因此共面波導被廣泛應用於微波、毫米波、光學和高溫超導等集成電路中。 -
Combination microwave and passive infrared intrusion detector
微波和被動紅外復合入侵探測器 -
Alarm systems - intrusion systems - requirements for combined passive infrared and microwave detectors
報警系統.入侵系統.無源紅外線和微波組合探測器要求 -
Alarm systems - intrusion systems - part 2 - 4 : requirements for combined passive infrared and microwave detectors ; german version clc ts 50131 - 2 - 4 : 2004
警報系統.入侵報警系統.第2 - 4部分:組合無源紅外和微波 -
And the general procedures of these methods are summarized. finally, some practical problems are analyzed using fdtd, which include passive linear resistor element and nonlinear diode element in the microwave circuits and an integrated antenna embedded with an active gunn diode element and a dielectric cavity resonator
最後，本文通過編程模擬了微波電路中的無源線性器件電阻和非線性器件二極體，含有有源器件gunn二極體的有源集成微帶天線以及介質腔諧振器等具體實例，來驗證各種方法的可行性和有效性，計算結果與實驗結果吻合。 -
In order to effectively solve the problem of monitoring time - space changes of soil moisture in large - scale regions, according to the conclusion of soil moisture retrievingby passive microwave remote sensing, a methodology of the soil surface emissivity was proposed by model bsm based on amsr - e microwave remote sensing data, proof of the relationship between surface soil moisture and surface emissivity
摘要為了有效解決大尺度區域土壤水分時、空間變化監測問題，在總結了被動微波遙感反演土壤濕度規律的基礎上，基於先進的amsr - e星載被動微波遙感數據，提出了利用雙譜模型計算土壤表面發射率的計算方法。
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