after amplifier 中文意思是什麼
after amplifier
解釋
自動增益控制放大器-
The power ’ s quality is decided in the system performance, the amplifier has 4 groups ’ power sources, input 220v through the filter, the transformer transformation, the full - wave rectification, finally through manostat leveling off voltage, after the electric capacity filter outputs
電源質量的好壞是決定系統性能的一個重要因素，放大器共4路電源，輸入220v通過型濾波，變壓器變壓，全波整流，最後通過三端穩壓器穩壓，電容濾波后輸出。 -
After analyzing the sense principles and calculation expression for piezoelectricity, we compose a sense network, compare the difference between the voltage amplifier and charge amplifier, give out the electric circuit of piezoelectric sensor for measure system
在分析了壓電片對動態應變的傳感原理和計算表達式后，該系統採用壓電傳感器組建了一個傳感器網路。並且對比了電壓放大器和電荷放大器的差異。 -
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。 -
The fact that most of these topologies need laser - trimming technique to improve the match precision to reach high cmrr is found after investigating several instrumentation amplifier topologies. in this paper, a new style instrumentation amplifier topology with current processing mode based on ccii and impedance amplifier is designed and realized
由於本論文所使用的國內工藝線沒有激光調阻技術，因此本文選擇了一種近年來新出現的一種新型儀表放大器電路結構，即使用第二代電流傳輸器（ ccii ）和跨阻放大器組成的電流模儀表放大器。 -
It adopted after years of use proved to be totally reliable, professional design, transistors chassis grounding professional design, large transistors allow direct contact cooling unit and do not have to insert the middle of mica insulation film, thermal capacity increases promoting - - warming is the burning of the power amplifier transistors number one killer. professional design significantly improve the heat dissipation problems so as to enhance the reliability of the power amplifier
它採用了經過多年使用證實是完全可靠的一種專業設計，電晶體機殼接地的專業設計，讓放大電晶體直接接觸散熱片而中間不用加插絕緣用的雲母片，加促散熱能力? ?升溫是燒毀功放電晶體的頭號殺手，專業設計大大改善了散熱問題從而提高了功放的可靠性。 -
Finally the module is accomplished successfully after installation and debugging. it mainly consists of the minimum system of dsp, a / d conversion circuit, cpld control logic, watchdog circuit, op amplifier and filter circuit
該模塊主要由數字信號處理器最小系統、模數轉換電路、復雜可編程邏輯器件控制邏輯、看門狗電路、運算放大器電路和模擬濾波器電路構成。 -
The first part of the paper is designing the testing project for grounding resistance and insulation resistance in a new way. using 16bits ad converter with programmable control amplifier replaced the way which used changing resistance to change measure range. lt is not only improved testing precision and develop the system expediently, but also reduced the area of the circuit boardwith the new way. in order to make the electric implement safety testing system have upstanding expansibility, the software and hardware of the system adopted the modularization design. adopted mcu atmegal28 as a master mcu which control mmi, realtime clock and communication with slaver mcu. atemga8 as the slaver mcu to realize testing function. so it is easy to add or reduce the testing project. the testing implement system has been developed successfully, and the comments for the system is that it has high precision, high expansibility and easy maintain. but considering the electric implement system should have intelligence and humanity abi lity. so this paper bring forward a scheme of electric equipment safety testing embedded system with speech control. after introduce the basic theory of speech recognition, the paper expatiate the characters of this system. the system is a noise conditon, not special people, small glossary, insulation word system. with these characters design the speech recognition as fellow. utilizing cross zero ratio and short energy to ensure jumping - off point and end point ; adopting mfcc as the character parameters of speech recognition ; the character parameters than be recognized by dtw. in order to ensure the credibility of this project, first realized by matlab in computer
在介紹了語音識別的基本原理后，闡述了本系統的特點：本系統是一個噪聲環境下非特定人、小詞匯量、孤立詞的語音識別系統。根據本系統的這些特點設計了如下語音識別方案：利用過零率和短時能量相結合的方式確定語音端點；採用mel頻率倒譜系數（ mfcc ）作為語音識別的特徵參數；得到的特徵參數最後通過動態時間規整（ dtw ）的模式識別方法進行識別。為了確保本系統實現方案的可靠性，首先通過計算機利用matlab軟體來模擬，在演算法模擬實現后又進一步增加環境的復雜性：加上較大的環境噪聲、突發性的噪聲等，再通過修改參數、修改參考模板、兩級識別等各種提高語音識別精度的方法來提廣東工業大學工學碩士學位論文高識別率。 -
The bluetooth chip nrf2401 uses the gfsk modulation. after analyzing and comparing the characteristic of every class power amplifiers, the thesis bring up with the idea of using a switched mode power amplifier to achieve the demanding output power and the higher efficiency
結合「微型核」信息電子系統實現方案中nrf2401藍牙晶元的特點，本文通過對各類功率放大器的結構和特點的分析比較，提出了採用了開關類功率放大器來實現系統輸出功率要求和盡可能高的效率的設計思想。 -
Thirdly, a state - space method to model and analyze the class e power amplifier ’ s operation has been present. after the explanation on the state - space model and the design method of class e power amplifier, we implemented class e power amplifier in tsmc 0. 35 m sige bicmos technology, the simulating results finally proves that the accuracy and feasibility of this method
在此基礎上，提出了用狀態空間模型來分析e類功率放大器，在闡述了e類功率放大器的狀態空間模型和具體的設計方法后，用tsmc0 . 35 msigebicmos工藝驗證了設計方法的可行性和準確性。 -
The pipette was positioned on a neuron using a hydraulic micromanipulator by blind prick technique. after a giga fi seal formation, the whole - cell recording was performed by an axopatch 200b amplifier
以水壓式微操縱器採用盲扎法將電極置於待測神經元上，形成巨阻封接后，用axopatch200b放大器做全細胞電壓鉗記錄。 -
Integration of optical communication devices is the development direction of current optical communication system. erbium - doped optical waveguide amplifier is a novel optical amplifier after erbium - doped fiber - optic amplifier and semiconductor optical waveguides amplifier, it has received great attention for gain at 1. 535 m
工作於1 . 55 m光通信窗口的摻鉺集成光波導放大器（ edwa ）是繼摻鉺光纖放大器（ edfa ） 、半導體光放大器之後的又一新型光放大器，近年來引起人們極大的興趣。 -
After designing the new - type high - voltage power amplifier, the static and dynamic responses of actuators made from piezoceramic material are studied experimentally, and introduced as actuating device used in active vibration isolation system
在設計了新型的高壓功率放大器后，對壓電陶瓷作動器的靜態和動態性能進行了實驗研究，並將其作為執行機構引入主動隔振系統。 -
After that, there was the core of project : design of the circuits in ic. the design and simulations of oscillator circuit and reference voltage circuit were placed behind it where rc oscillator ’ s design and how to build a reference voltage circuit by amplifier were discussed
文章的核心是晶元電路的設計，首先根據電路功能設計了晶元大體的結構和引腳，詳細列出晶元在應用時的外圍電路，對設計需要達到的參數標準做了簡要介紹。 -
After pin ’ s noise and equivalent circuit are discussed, this thesis introduces technology and methods of signal management, including pre - amplifier and differential - amplifier, bpf, lia, etc. at the end of paper, the system of photoacoustic spectrometer is proved by experiment
本文在討論了光電二極體的噪聲和等效電路之後，介紹了信號處理的技術和方法，包括前置放大器、差分放大器和有源帶通濾波器的設計及用於微弱信號檢測的鎖相放大技術。 -
Firstly, the theory and the architecture of hardware system are described, secondly, the steps of the signal processing are discussed in detail. based on the experiments and the characteristics of the signal, we pre - process the signals with band - pass filter, proportional amplifier and coherent demodulator. after sampling and analysis doppler information, we display the final results distinctly to alarm in time
然後，結合系統中各主要部分的任務，詳細介紹了信號處理的各個步驟：通過實驗比較，並結合接收信號的特點，選用帶通濾波器、比例放大器、相干檢波等技術對信號進行預處理；然後對獲得的多卜勒信息進行采樣和頻譜分析；最後，用比較直觀的形式顯示數據結果，以及時準確地告警。 -
After this amplifier develops successfully, add to multichannel card and linear gate circuit which teacher develops, experiment to the standard source and the sample coal, this amplifier may realize to analyzing accurately to the coal ingredient, we have already used it about two years, it proves this amplifier has the good
該放大器研製成功后，配合導師研製的多道卡和線性門電路，對標準源、樣品煤試驗。該放大器可以實現對煤質的精確分析，現已連續使用二年多，證明該放大器具有良好性能，達到了預期設計要求。 -
The “ general cell ” which made in a soc is a basic unit of the aeronautical satellite. after analyzing the demands of downlink communication system of the “ general cell ”, the thesis came up with a design of rfic power amplifier according to the requirements of the system and validated this scheme to be feasibility by simulation
本文的主要任務是在對「微型核」星地通信系統進行鏈路分析的基礎上，提出一種滿足星地通信的射頻集成電路功率放大器的設計實施方案，並通過模擬對系統方案進行驗證。 -
After slight modification, this circuit has been successfully applied to the mdac, named switched - capacitor amplifier in 10 - bit 100msps adc
調試后的電路已成功應用於10位100mspsadc的mdac開關電容放大器中。 -
After lots of papers related microgripper and microforce sensor consulted, a microgripper with 3 dimensional force sensor is presented from the point of microscopic field and according to the driving method. a micro displacement amplifier based on flexible hinges is designed, modeled and analyzed
在參閱了國內外大量微夾持器、微力傳感器的文獻的基礎上，從微觀領域的實際情況出發，以驅動方式為根據，提出了一種集成3 - d微力傳感的微夾持器的結構原型。 -
We decide to use seven - sections coupled - line filter after comparing the various filter circuits, and complete the quantitative analysis and optimization design by ads, hfss etc. ( 2 ) three - stages fet low noise amplifier according to the lna ’ s design theory and guide line, we decide to use ne3210s01 fet and choose the form of three - stages, thus we can achieve high stability, low noise and high gain
通過對各種帶通濾波器電路方案進行比較，確定採用七階平行耦合微帶濾波器，並利用ads ， hfss等工具進行了定量的理論分析和優化設計。 （二）三級聯低噪聲放大器根據微波lna設計原理及指標要求，我們選用ne3210s01系列低噪聲管，並採用三級放大的形式，以期獲得高穩定性，低噪聲，高增益。
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