matching amplifier 中文意思是什麼
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This paper presents the general project design firstly, and then introduces the system hardware circuit design in detail which includes the choice of chips, the loop filter parameters computation and the design of the power amplifier ' s peripheral matching circuit
在介紹了系統總體方案設計之後，本文詳細介紹了系統的硬體電路設計，包括晶元的選擇，環路濾波器參數的設計，以及功率放大器外圍匹配電路的設計。 -
Theoretically several solutions are derived in the final scheme such as broadband matching technology which included negative - feedback technology, traveling wave technology and balance technology. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful. the principle of microwave amplifier is introduced at first in this paper, especially its main parameters index sign, then the material performance and the influence of parasic parameter and model setting of the gaas phemt is discussed
文中首先介紹寬頻帶放大器的主要參數指標，接著介紹了gaasfet的材料特性，以及phemt管芯寄生參數對實際放大器設計的影響，然後討論gaasphemt的大、小信號模型的建立與分類;結合gaasphemt模型和s埠參數分析了寬頻帶匹配技術的原理;最後論述本課題中各個放大器實現的具體方案，以及在放大器實現過程中應該注意的問題，給出了實際寬帶放大器的測試結果，並將軟體模擬結果與實測曲線進行對比。 -
The resonance network is connected to the gate, then the output and input matching network is designed to satisfy the oscillation criteria. then harmonic balance method is used to analysize and optimize the output power and phase noise. to minimize the load pulling effect a buffer amplifier is designed to isolate the oscillator and the load
本文在場效應管fet柵極上加上諧振網路（諧振網路是通過cst模擬得到的，它是串聯反饋迴路，介質工作在te01模，對于其後的fet ，它又相當於一個帶阻濾波器） ，然後設計輸入輸出匹配電路，使電路結構滿足起振條件，之後繼續用諧波平衡法模擬和優化，使振蕩器輸出功率合適，相位噪聲很低。 -
In this paper, the traditional cascode structure of cmos lna is considered as a two - stage amplifier and inter - stage matching network is introduced accordingly
本文也對cmos低噪聲放大器進行了分析，將傳統共源共柵結構看作二級放大器級聯形式，並由此引入級間匹配網路。 -
By using ads and ansoft designer to run the computer aided design of amplifier ’ s matching circuits, we can avoid the tiresome handmade calculation as well as quickening the work progress through its automatic optimization and tolerance analysis
運用ads ， ansoftdesigner等設計軟體對放大器的級間匹配電路進行計算機輔助設計，不僅避免了繁瑣的手工計算，而且通過自動優化與容差分析，縮短了實驗過程，加快了研製進度。 -
This subject aim at designing a linear power amplifer whose output power is 40w for 225 - 450mhz band. but it seems not easy to finish the task because of this power amplifier own unique requirements including high output power, broad working frequency band, high linearity, and flat gain. due to the complexity involved, theoretically several soltuions are derived in the final scheme such as broadband matching technology, power - retreat, power synthesize, automatic power control and negative feedback. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful
本課題的目標是研製一個輸出功率為40w的225 450mhz的線性功率放大器。由於該功放要求輸出功率大，工作頻帶寬，帶內增益波動小，線性度高，所以其終合設計難度大。鑒于這個原因，在理論設計上筆者採用了寬帶匹配、功率合成、功率回退、負反饋、自動功率控制等技術；在實踐中精心設計電路，並且配合eda軟體模擬，最終達到所要求的指標。 -
Broadband matching is very difficult, but we can make it easier with negative feedback and balanced amplifier. so at first we should choose a project, then according to the requirement of the low noise amplifier to choose the transistor, bias and matching
寬帶匹配網路的設計是一個難點，可以採用負反饋、平衡電路等形式降低寬帶匹配的難度，所以寬帶電路的設計首先是方案設計。 -
In the sixth chapter a low noise amplifier whose operating frequency is 6ghz 12ghz is presented. it is a balanced amplifier. in this chapter we discuss the calculation of lange coupler, the matching of balanced amplifier and the influence of thin film mic in the design
第六章設計的6ghz 12ghz的低噪聲放大器為平衡放大器，詳細討論了蘭格耦合器的計算、平衡放大器中匹配電路的設計和薄膜mic工藝對電路設計的影響。 -
Through the design the dc feed network, input matching network for the ne900175 gaas fet and analysis the stabilization, power gain, bandwidth of the power amplifier we get the power amplifier is stability, the power gain is 11. 967db and the bandwidth is 300mhz. microstrip antenna has a narrow bandwidth, in this design antenna ' s bandwidth is 100mhz. antenna is the not only the load of the power amplifier, but also as the filter connecting to the output of the power amplifier
E類功放的pae相對a類、 b類、 ab類的功率放大器類型而言比較高，在50 ? 70 。分析了e類功放的工作過程后，以ne900175的gaas場效應管作為e類功放電路的開關，進行了外圍電路的設計，包括直流偏置電路、輸入匹配網路的設計，功放的穩定性、帶寬、增益的分析。該功放增益最大達到11 . 4db ，帶寬為320mhz 。 -
First, we analyse the power amplifier in theory in the circuit mode, biasing point linearity, thermal stability, input and output matching circuit
論文首先從理論的方面對放大器的設計進行分析，對放大器的電路模型、偏置點、線性、熱穩定性、輸入輸出匹配進行理論上的分析。 -
Based on the design theory of power amplifier, a wide - band power amplifier was designed successfully by the push - pull transistor, the feedforward technical of linearization, the matching circuits of transmission line transformers and microstrip, and ads simulation software
根據寬帶功率放大器的設計原理，採用推挽結構晶體管，前饋線性化技術，傳輸線變壓器和微帶混和匹配電路，利用ads進行模擬設計，成功的設計出一款寬帶功率放大器。 -
And we also provide a detection method whose precision is on the order of micro radians. all of the above is based on technologies on ccd, dsp digital control and digital procession of images. we design a optical amplifier system matching the specified ccd camera, in order to catch qualified laser beam spot images
本論文對光通信精跟蹤的技術進行了論述、分析，在此基礎上提出實現十微弧度跟蹤精度的精跟蹤系統原理樣機的設計方案，及能檢測微弧度量級的檢測方法，這主要基於ccd探測技術、 dsp數字控制技術和數字圖像處理技術。 -
It ' s shown that the delay matching is the most important factor to obtain a wide - band feed - forward amplifier
提出減小延遲失配是提高環路帶寬及前饋功率放大系統帶寬的根本手段。 -
A broadband matching network is designed for the broadband signal antenna, using one of the broadband matching technologies - real frequency theory. secondly, the relative theory, design and emulate of the power amplifier are presented, and a power amplifier of high output power and high efficiency is designed, according to the standards of the responder system
2 ，討論了功率放大器的相關理論、設計、模擬及實現，主要包括:功率放大器的穩定性分析、負載線法分析以及功率放大器工作類別分析;根據應答器系統指標，完成了系統中大功率高效率的能量載波功率放大器的設計。 -
4. induce simulation ' s theory, as well as validating project ' s feasibility. simulate every amplifier ' s matching network by ads tool
4 .用ads模擬進行各級放大器的微帶匹配網路設計和系統的優化。
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