signal damping 中文意思是什麼
signal damping
解釋
信號衰減-
This paper also studies an hvdc system based on leee fbm, a svc system based on ieee fbm and a statcom system based on ieee fbm. it proves the function of supplementare subsynchronous damping controller ( ssdc ) in the above devices to mitigate ssr. it also analyzes the influence of input signal of ssdc on ssr mitigation, tdeng hvdc as an example
在psasp小干擾線性化平臺psaspaisst上，對基於ieeefbm的hvdc系統、基於ieeefbm的svc系統和基於ieeefbm的statcom系統分別進行了ssr小干擾穩定分析，驗證了在這些裝置中安裝次同步振蕩阻尼器（ ssdc ）對r的抑制作用，並以hvdc為例，研究了ssdc輸入信號對其抑制ssr的影響。 -
By applying dwt and mallat in wavelet analysis, the oscillation signal of active power on transmission line is decomposed and reconstructed ; the strategy of upfc ' s secondary control based on wavelet is proposed by using the reconstructed active power as input signal. simulation results verify the efficiency of damping subsequent swing quickly under serious power oscillation circumstance that is hard to damp by ordinary upfc controller. the system dynamic stability is apparently enhanced
針對系統功率波動頻率較高情況下upfc對系統后續擺穩定的控製作用難以得到充分發揮的情況，採用小波分析的mallat塔式演算法對系統功率波動信號進行分解，並基於mallat塔式重構演算法的思想濾除了信號的冗餘擾動成份，尋找到一個高壓縮比、低相對誤差的重構功率信號，從而使其能夠符合upfc實際控制需要。 -
At the same time, this paper gived a great deal of simulation research for the total damping of system and the damping of electromechanical mode of the system using a useful tool in power system - ssat ( small signal analysis tool ). the conclusions provide the important reference for the suppression of low frequency oscillation and stable operation in power system
並利用一種有效的電力系統專用工具? ssat （ smallsignalanalysistool ）對系統總阻尼以及系統的機電模式阻尼問題進行了大量的模擬研究。所得結論對于電力系統低頻振蕩的抑制以及電力系統穩定運行具有重要的參考價值。 -
The design procedure of damping controllers is presented, including pss, hvdc small signal modulation and tcsc modulation
描述了基於prony方法的控制器設計過程，包括pss ， tcsc和直流小信號調制。 -
Based on the reference [ 22 ], the dynamical modeling converters for hvdc system have been transformed to a nonlinear system represented by input - output model with unmodeled dynamics and bounded disturbances, and a robust adaptive output - feedback nonlinear controller is designed. the controller counteracts the uncertain dynamic nonlinearities and bounded disturbances by nonlinear damping terms, and unmodeled dynamics by a dynamic signal
本文在文獻[ 22 ]的基礎上，對高壓直流輸電系統換流站動態模型進行變換處理，將其化為一類具有含未建模動態和有界擾動的輸入-輸出非線性系統，並設計了一種魯棒自適應輸出反饋控制器，利用非線性阻尼項來抑制系統的動態不確定性和有界擾動，引入一動態信號來抑制系統的未建模動態。 -
A new type of wavelet - exponential damping wavelet is constructed to detect the knocking sound caused by mechanical faults in an engine, experimental results show that by this wavelet effective features of those faults can be extracted from noise signal
為了識別發動機噪聲信號中表徵故障的間歇性撞擊聲，本文構造的一種新型的小波指數衰減型小波函數，它能有效地識別出間歇性撞擊聲。 -
Because of strong nonlinearity of the elastomeric damper, analysis of a transient signal is necessary in order to study the stability. it is desirable to have damping identification techniques, which are be fast, can handle a reasonable amount of sensor noise. three analyses are presented here
故本文介紹了三種阻尼識別的方法，即基於傅立葉系數的移動矩形窗法和基於希爾波特變換的方法，以及傳統的基於fft的移動矩形窗法。 -
Chapter 3 discuses the selection of damping controllers, especially for pss, hvdc small signal modulation and tcsc modulation
分析了阻尼低頻振蕩的控制器選擇，主要闡明了pss ， tcsc和直流小信號調制的應用場合。
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