A brief comment on judging the types of amplification circuit 淺議放大電路反饋類型的判別
Audio amplification circuit 聲頻放大電路
Amplification circuit locates in stainless steel housing where would transfer sensor signal into standard output signal 放大電路位于不銹鋼殼體內(nèi),將傳感器信號(hào)轉(zhuǎn)換為標(biāo)準(zhǔn)輸出信號(hào)。
Elect hardware , and design current to voltage translation circuit , voltage amplification circuit and acoustic - optic alarming circuit 對(duì)硬件進(jìn)行了選擇,對(duì)電流/電壓轉(zhuǎn)換電路?電壓放大電路和聲光報(bào)警電路進(jìn)行了具體設(shè)計(jì)
Note 1 : the integration is that mode for which adopts import the sensor with stainless steel isolation membrane and high - performance special amplification circuit be directly packed in the probe 注1 :一體式是采用進(jìn)口不銹鋼隔離膜片的傳感器和高性能的專用放大電路直接封裝在探頭中。
Some commercial odor sensors and their performance are introduced and compared . then the three key parts of electronic nose : sensors array , signal amplification circuit and ad board are also introduced 介紹了本課題中采用的電子鼻硬件系統(tǒng)的三個(gè)組成部分傳感器陣列、信號(hào)調(diào)理電路和數(shù)據(jù)采集卡。
The sensing chip is connected with special amplification circuit of the transmitter by the conductor , and using piezo - resistance effect of semi - conductor silicon material to realize the transformation between pressure and electric signal 敏感芯片通過導(dǎo)線與變送器專用放大電路相連接。它利用半導(dǎo)體硅材料的壓阻效應(yīng),實(shí)現(xiàn)壓力與電信號(hào)的轉(zhuǎn)換。
According to the feature of vibration isolation system , referring to the principle of the magnetic suspension , a electromagnetism actuator is designed for the active vibration isolation system application and also a power amplification circuit is designed to adapted to it 針對(duì)隔振系統(tǒng)的特點(diǎn),參考磁懸浮的原理,設(shè)計(jì)了適合主動(dòng)隔振系統(tǒng)應(yīng)用的電磁作動(dòng)器,并設(shè)計(jì)了與之配套的功率放大電路,還對(duì)其他系統(tǒng)必需的硬件進(jìn)行了選型。
Eddy - current sensor conversion circuit consist amplification circuit , band - pass filter circuit , demodulation circuit , differentiation phase and data sampling circuit . these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process . the microprocessor system that formed of dsp chip is used to data fitting of test system , data displaying and data communicating with personal computer , etc . the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter 硬件電路的設(shè)計(jì)主要分三大部分來實(shí)現(xiàn):激勵(lì)源電路部分,由分頻電路和頻率合成電路組成,產(chǎn)生頻率穩(wěn)定的激勵(lì)信號(hào)以確保檢測(cè)任務(wù)的正常進(jìn)行;傳感器變換電路部分,由放大電路、濾波電路、檢波電路、鑒相電路和數(shù)據(jù)采集電路組成,主要將電渦流傳感器檢測(cè)線圈檢測(cè)到的信號(hào)變換成只含有被測(cè)信息的離散信號(hào),易于后續(xù)電路處理;由dsp芯片構(gòu)成的微處理系統(tǒng),主要完成檢測(cè)系統(tǒng)的數(shù)據(jù)擬合、顯示及與主機(jī)通信等功能。
In the improvement of the traditional robust design , there made full use of the powerful dominant of digital computers , that is to say , using virtual reality technology to proceed test design , effectively upgrading design accuracy and shortening the design period ; managed many targets by fuzzy comprehensive judgment , satisfying the facts of engineering more exactly . on the other hand , there gave a typical example , the design of triode amplification circuit , to explain the common designing process of this design method 在第一部分的序言中,較為詳細(xì)地闡述了穩(wěn)健設(shè)計(jì)法的提出背景、由來、目前的研究狀況及發(fā)展趨勢(shì)、穩(wěn)健設(shè)計(jì)要實(shí)現(xiàn)的目的及實(shí)現(xiàn)方法、穩(wěn)健設(shè)計(jì)的原理、穩(wěn)健設(shè)計(jì)的分類、穩(wěn)健設(shè)計(jì)的意義、常用穩(wěn)健設(shè)計(jì)的優(yōu)缺點(diǎn)并提出了對(duì)傳統(tǒng)穩(wěn)健設(shè)計(jì)法中存在的缺點(diǎn)進(jìn)行改進(jìn)的方法和措施。