無源微波 的英文怎麼說
中文拼音 [wúyuánwéibō]
無源微波
英文
passive microwave- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 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...
- 無源 : [無線電] passive無源電路 passive circuit; passive electric circuit; 無源天線 passive antenna; ref...
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The characteristics of various solid - state power - combining techniques and the principles of the waveguide - based power combining structure are compared and analyzed in detail. the power combiner is based on a double antipodal finline - to - microstrip transition structure. the proposed 2 2 combining structure is optimized by using 3 - d fields simulation tools cst
主要內容為: 1 .研究和對比了各種固態功率合成技術的特點,詳細地分析了波導基空間功率合成器的工作原理,提出了一種基於雙對極鰭線-微帶過渡的2 2路毫米波功率合成器結構,藉助三維場模擬軟體cst對該無源網路進行了優化設計。Low noise amplifier ( lna ) is widely used in front end of a received set of mobile communication 、 wireless radio 、 blueteech technology and so on 。 the active device is the core of the circuit and has significant effects on the whole equipment, therefore, the design of the active device is vital in lna
微波低噪聲放大器( lna )廣泛應用於移動通訊、無線電、藍牙技術等的rf前端。 lna中的有源器件是整個電路的核心,對整個放大器電路的性能有著重要的影響,因此有源器件的設計是lna的關鍵技術之一。At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、實時運算,因此必須使用高速的數字微處理器和高性能a / d轉換器,這必將大大提高系統成本,使得電路結構復雜,在一定程度上限制了有源濾波器的發展。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。The dissertation is mainly on the theory and design of the frequency doubler - power amplifier sets of ka - band. in the passive circuit, we analyzed the characteristic of microstrip and coupled microstrip
在無源電路部分,我們首先對微帶線、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。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。In the passive circuit part, according to the theories of microstrip line and coupled microstripwe, the characteristic of microstrip and coupled microstrip was analyzed, the x band filter and dc block circuit of amplifier have been designed by hp - ads software
為毫米波設備提供本振源。在無源電路部分,我們首先對微帶線、耦合線等基本理論作了簡單的介紹。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。When radar detects air object, radar must hit the objective
摘要微波輻射計是一種無源遙感設備。These solutions are basically focused on reducing low - si substrate conduction and loss, resulting in an elimination of wave propagation in the substrate, and ther efore improving the performance of the passive elements. they are accompanied by drawbacks
以上方法基本是集中在改善低阻硅襯底的傳導和降低損耗,來改善射頻微波無源器件的性能,但這些方法均存在許多不同程度的缺陷。Another increasingly important ( actor is to be integrated with analog and digital circuits. for this reason, it is highly advantageous for the microwave components to be fabricated through a commercial cmos process. so we research the microwave transmission lines and apply it into phase shift
微型硅基微波傳輸線是微波無源、有源器件及微波集成電路的重要構成基礎,本文首先對其工作原理、器件模擬、結構參數設計、制備及散射參數測試進行較深入全面的研究,並進一步將微波傳輸理論應用於mems移相器,對移相器的結構參數、相移特性及可靠性等進行了分析。Microwave sulfur lamp ( msl ) is a kind of effective electrodeless electrical light source
微波硫燈是一種高效節能的無電極電光源。In technique rebuilding of system, discharge curve of ni - mh battery was measured, and power supplies in uav were improved. the security, adaptability and efficiency of miniature aerial rs systems could be improved obviously by microwave video transmission system and self - regulating blocking net in landing
在對系統的技術改造中,測定了ni - mh電池組放電曲線,對無人機機載電源做了改進,配合加裝的微波視頻傳輸系統和自行研製的降落阻尼攔阻網可以大大提高無人機航空遙感系統的安全性、適應性和作業能力。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 design and simulation of passive multilayer filter in ltcc substrate have been studied
本課題主要研究ltcc多層微波無源濾波器的設計與模擬。分享友人