放大極 的英文怎麼說
中文拼音 [fàngdàjí]
放大極
英文
amplifying stage-
It is the equivalent circuit of a triode amplifier circuit.
它是三極體放大器的等效電路。In the blue print of the analog, author utilize the big dynamic vga to realize the if amplifier and use the audion to carry out the 80db agc, through the improvement of the traditional detect circuit, extend the dynamic range of the detector
在模擬方案中,筆者採用了大動態的vga實現中頻放大;利用三極體檢波實現了80db的agc控制;通過對傳統二極體檢波電路改進,提高了檢波器的動態范圍。In the circuit, using the way of step - by - step magnify, a normal sine wave signal through former circuit export for the next circuit, and this signal that have been magnified push the next step. the main magnify circuit use the method of high power dynatron that is parallel connection
在迴路中採用逐級放大的方法,將一個標準的正弦波信號通過前級放大,輸出給后級,推動后級放大迴路,主要的功率放大迴路中採用大功率三極體並聯實現功率放大輸出。Choosing y type reflection fiber optic detector, this thesis create a tiny displacement - detecting sensor that is made up of led ( light emitting diode ), fiber optic detector, electric eye, lock - in amplifier, display and other electro circuits
本論文採用y型反射式光纖探頭設計製作了一種微位移測量裝置,它主要由發光二極體、光纖探頭、 、鎖相放大器、顯示器及相關電路組成。In the forth chapter the series negative feedback and interstage mismatching are presentation, and a low noise amplifier whose operating frequency is 1. 5ghz 1. 8ghz is developed
第四章詳細介紹了源極串聯負反饋和級間失配法,並設計和製作了1 . 5ghz 1 . 8ghz低噪聲放大器。Semiconductor, diodes, bipolar junction transistors, field - effect transistors, transistor amplifiers, frequency response, operational amplifiers, differential and multistage amplifiers, integrated circuits
半導體、二極體、雙極電晶體、場效電晶體、電晶體放大器、頻率響應、算放大器、差動及多極放大器、積體電路。Huge scenes are captured in miniscule canvases, and small plants are painted all over large canvases
她把廣闊的風景收納于極小的畫框里,或者將纖小的植物全面放大,讓其占據整個畫面。The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介紹了限制寬帶放大器頻帶寬度的因素,通過分析mosfet的本徵參數、寄生參數對頻率特性的影響,提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法;分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響,根據應用於雙極晶體管電路的跨導線性原理,提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器,獲得了良好的頻率響應。The instrument is integrated with a multi - channel high precision open circuit potential measurement system for the ion selective electrode and a potentiostat used in voltammetry, an analog lock - in amplifier is also presented to measure the response of light addressable potential sensor
對于不同的測量技術,儀器中集成了用於測量電極的多通道高精度開路電壓測量系統和用於溶出伏安法測量的多路電化學測量系統,以及用於測量光尋址電位傳感器的鎖相放大器。Limit cycle oscillating and chaos of the radiation field in a traveling wave tube amplifier
行波管放大器中輻射場的極限環振蕩和混沌Screen grid amplifier
簾柵極放大器In present dissertation, most stirpses are repartitioned and redefined, and the structure characteristic, course of formation, cause of formation, function and risk of stirpses are analyzed. the main conclusions are : [ 1 ] rapid development of corporations engenders urgent demand of financing, conflict between capital market imperfection and demand of financing leads corporations to control listed corporations by purchasing " shell " and enhance it ' s financing capability ; [ 2 ] two kinds of pricing institution of stock provides stirpses for controlling listed corporations by low cost, monitoring institution imperfections provides corporations for operating listed corporations. adjust of national assets provides more " shells " ; [ 3 ] more private corporations purchase listed corporations, some of them form stirpses ; [ 4 ] stirpses have positive influence about adjusting industry and enhancing capital market financing function ; [ 5 ] stirpses magnify financial risk by controlling listed corporations, and transform listed corporations from shareholders benefit to block shareholder benefit, having tendency of infracting shareholders benefit
本文主要的結論: [ 1 ]中國企業的迅速發展對融資有迫切的要求,中國國內資本市場發展不完善與這種強烈的融資需求的沖突導致了企業尋求通過買「殼」的方式控制上市公司,以此來提高自身的融資能力; [ 2 ]中國上市公司股票的兩種定價機制為「系」低成本控制上市公司提供了可能,監管機制的不完善為「系」提供了操縱上市公司的空間,國有資產在調整過程中從部分競爭行業退出,為資本市場提供了一定數量的「殼」資源; [ 3 ]民營企業紛紛買「殼」上市,在這個過程中,部分實力突出的企業形成了「系」 ; [ 4 ] 「系」現象對進行行業整合、提高資本市場融資能力等方面起到了積極的作用; [ 5 ] 「系」通過對上市公司進行的操縱放大了金融風險,將上市公司的股東利益最大化變為大股東利益最大化,存在著侵害小股東利益的潛在傾向。Beam - tetrode power amplifier
束射四極管功率放大器With the purpose that people in countryside and rural area can listen to the sounds of communist party and chinese government, “ xi xin project ” has been carried out state general bureau of the radio and television and set up tens of 500kw sw radio transmitters, ten of them were installed, whom were th558 with find power amplifier, a kind of ultrahigh power mental - ceramic tetrode from french thomson company
為使我國廣大農村和邊遠山區群眾能聽到黨和政府的聲音,國家廣播電視總局組織實施了「西新工程」 ,部署了數十部500kw短波廣播發射機,其中十部的末級功率放大管採用法國湯姆遜( thomson )公司生產的th558超大功率金屬陶瓷四極管。The determination of human thymidine kinase ( htk ) in human serum, which is a key indicator of cancers can give information for the diagnosis and treatment of the malign diseases. the protein a layer was first self - assembled onto the gold electrode surfaces of quartz crystals, the monoclonal antibodies were then orientedly immobilized through the specific binding between the fc terminals of the antibodies and the self - assembled protein a. with this sensor, the affinity constant of antigen - antibody binding was estimated to be 1. 85 106 l / mol according to the scatchard ’ s plotting method, which proved the high bioactivity of antibody. finally, an amplified piezoelectric immunosensor was designed to determine the htk in
實驗中將蛋白a吸附於鍍金壓電石英晶體電極表面,用於定向固定htk單克隆抗體,成功研製了檢測htk的壓電石英晶體傳感器,並基於標準scatchard繪圖法,計算出免疫反應的親和常數為1 . 85 106l / mol ,證明該單克隆抗體具有較高的免疫活性;同時基於酶催化沉澱技術,設計了的檢測htk的質量放大壓電石英晶體傳感器,該傳感器可在0 . 1 - 10ng范圍內對htk進行定量檢測,應用此傳感器成功地對5種癌癥病人血清中htk的濃度進行了測定,實驗結果為癌癥的臨床診斷與治療提供了參考。Measurements of the electrical properties of electronic tubes. part 12 : methods of measuring electrode resistance, transconductance, amplification factor, conversion resistance and conversion transconductance
電子管電性能的測量.第12部分:電極電阻跨導放大系數變頻電阻和變頻跨導的測量方法Tunnel diode amplifier
隧道二極體放大器The filtering effect could be amplified by placing the ferromagnet in a resonant tunnel diode
若將鐵磁體放入共振穿隧二極體中,可以放大過濾效果。Varactor diode parametric amplifier
變容二極體參量放大器In audio, a very low frequency oscillation often resulting from a positive feedback path in an amplifier system
在音響設備中出現的振蕩頻率極低的低頻振蕩,常因放大系統的正反饋迴路引起。分享友人