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Oscillation

Bubble Oscillation Algorithm. It is used to implement balancing load traffic, which is similar to wh

Bubble Oscillation Algorithm. It is used to implement balancing load traffic, which is similar to what a semi-smart antenna can do. This algorithm was figured out by Lin Du who obtained PHD in Queen Mary, University of London.

標(biāo)簽： Oscillation Algorithm implement balancing

上傳時間： 2014-01-04

上傳用戶：邶刖
機(jī)電類比法在傳感器中的相關(guān)分析

機(jī)電類比法是一種把機(jī)械量通過一定的計算等效類比為電量的方法，其在對電子機(jī)械系統(tǒng)的分析中應(yīng)用非常廣泛。它能夠把一個較復(fù)雜的機(jī)械系統(tǒng)類比為我們熟知的電路系統(tǒng)來進(jìn)行分析，從而使問題的分析得到簡化。本文通過對振弦式傳感器的分析介紹了機(jī)電類比法，并對使用電路進(jìn)行了相關(guān)的分析。 Summary：The electromechanical analogy is assort of analysis which is to analogize the mechanical system by using circuit system , it applied widely in the filed of analysis the electronic-mechanical system. The analysis can take a complex mechanical system analogous to a circuitry that we well-known, which can simplify the problems. In the paper, the electro-mechanical analogy method is briefly introduced by analysis the vibrating wire sensor，and have a correlation analysis about the circuit we used.關(guān)鍵詞：機(jī)電類比法振弦式傳感器頻率振蕩反饋Keyword：electro-mechanical analogy method，vibrating wire sensor，frequency, Oscillation, feedback 0 引言振弦式傳感器是屬于頻率式傳感器的一種。所謂頻率式傳感器就是能直接將被測量轉(zhuǎn)換為振動頻率信號的傳感器，這類傳感器一般是通過測量振弦、振筒、振梁、振膜等彈性振體或石英晶體諧振器的固有諧振頻率來達(dá)到測量引起諧振頻率變化的被測非電量的目的，其也稱為諧振式傳感器[1]。在分析該類傳感器中，由于其涉及到頻率，就容易讓人聯(lián)想到在電子技術(shù)中接觸到的RLC振蕩電路。因此可以嘗試著用類比的方法使之對應(yīng)起來分析,即機(jī)電類比法分析。

標(biāo)簽： 機(jī)電傳感器分類比法

上傳時間： 2013-11-16

上傳用戶：paladin
基于MASON公式的多功能二階通用濾波器設(shè)計

基于通用集成運算放大器，利用MASON公式設(shè)計了一個多功能二階通用濾波器，能同時或分別實現(xiàn)低通、高通和帶通濾波，也能設(shè)計成一個正交振蕩器。電路的極點頻率和品質(zhì)因數(shù)能夠獨立、精確地調(diào)節(jié)。電路使用4個集成運放、2個電容和11個電阻，所有集成運放的反相端虛地。利用計算機(jī)仿真電路的通用濾波功能、極點頻率和品質(zhì)因數(shù)的獨立控制和正交正弦振蕩，從而證明該濾波器正確有效。 Abstract: A new multifunctional second-order filter based on OPs was presented by MASON formula. Functions， such as high-pass， band-pass， low-pass filtering， can be realized respectively and simultaneously， and can become a quadrature oscillator by modifying resistance ratio. Its pole angular frequency and quality factor can be tuned accurately and independently. The circuit presented contains four OPs， two capacitors， and eleven resistances， and inverting input of all OPs is virtual ground. Its general filtering， the independent control of pole frequency and quality factor and quadrature sinusoidal Oscillation were simulated by computer， and the result shows that the presented circuit is valid and effective.

標(biāo)簽： MASON 多功能二階濾波器設(shè)計

上傳時間： 2013-10-09

上傳用戶：13788529953
These Simulink blocks contain transfer functions that model the pressure and flow transients for axi

These Simulink blocks contain transfer functions that model the pressure and flow transients for axisymmetric 2D viscous flow of a compressible fluid in a straight rigid circular cross section pipelines. Three models are available: (1) pressures at the ends (2) flow rates at the ends (3) pressure at one end and flow rate at the other Filtering is incorporated to reduce numerical Oscillation (Gibbs phenomenon). See J. Dyn. Systems, Meas. & Control vol 122 (2000) pp. 153-162.

標(biāo)簽： transients functions Simulink transfer

上傳時間： 2014-01-22

上傳用戶：Shaikh
1 Seismic response control using electromagnetic

This paper presents a new type of electromagnetic damper with rotating inertial mass that has been devel oped to control the vibrations of structures subjected to earthquakes. The electromagnetic inertial mass damper (EIMD) consists of a ball screw that converts axial Oscillation of the rod end into rotational motion of the internal flflywheel and an electric generator that is turned by the rotation of the inner rod. The EIMD is able to generate a large inertial force created by the rotating flflywheel and a variable damping force devel oped by the electric generator. Device performance tests of reduced-scale and full-scale EIMDs were under taken to verify the basic characteristics of the damper and the validity of the derived theoretical formulae. Shaking table tests of a three-story structure with EIMDs and earthquake response analyses of a building with EIMDs were conducted to demonstrate the seismic response control performance of the EIMD. The EIMD is able to reduce story drifts as well as accelerations and surpasses conventional types of dampers in reducing acceleration responses.

標(biāo)簽： electromagnetic response Seismic control using

上傳時間： 2021-11-04

上傳用戶：a1293065
MOSFET開關(guān)過程的研究及米勒平臺振蕩的抑制

設(shè)計功率MOSFET驅(qū)動電路時需重點考慮寄生參數(shù)對電路的影響。米勒電容作為MOSFET器件的一項重要參數(shù),在驅(qū)動電路的設(shè)計時需要重點關(guān)注。重點觀察了MOSFET的開通和關(guān)斷過程中柵極電壓、漏源極電壓和漏源極電流的變化過程,并分析了米勒電容、寄生電感等寄生參數(shù)對漏源極電壓和漏源極電流的影響。分析了柵極電壓在米勒平臺附近產(chǎn)生振蕩的原因,并提出了抑制措施,對功率MOSFET的驅(qū)動設(shè)計具有一定的指導(dǎo)意義。When designing the drive circuit of power MOSFET,the influence of parasitic parameters on the circuit should be concerned.As an important parameter of MOSFET device,Miller capacitance should be considered in the design of drive circuit.The variation of gate voltage,drain source voltage and drain source current during the turn-on and turn-off of MOSFET were observed.The influences of parasitic parameters such as Miller capacitance and parasitic inductance on drain source voltage and drain source current were analyzed.The reasons of gate voltage Oscillation nearby Miller plateau were analyzed,and the restraining measures were put forward.This research was instructive for the drive design of power MOSFET.

標(biāo)簽： mosfet

上傳時間： 2022-04-02

上傳用戶：默默

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Oscillation

Bubble Oscillation Algorithm. It is used to implement balancing load traffic, which is similar to wh

機(jī)電類比法在傳感器中的相關(guān)分析

基于MASON公式的多功能二階通用濾波器設(shè)計

These Simulink blocks contain transfer functions that model the pressure and flow transients for axi

1 Seismic response control using electromagnetic

MOSFET開關(guān)過程的研究及米勒平臺振蕩的抑制