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electrodynamic adj.電動力學的。n.-s 電動力學。

electrodynamometer

After analyzing the traditional methods of generating exciting signals in vibration control system of electrodynamic ( electrohydraulic ) shaker , a new method of adjusting the skewness and kurtosis of exciting signals by second phase modulation is proposed . based on this method , a new algorithm for generating super - gaussian and quasi - random vibration exciting signals with specified psd , skewness and kurtosis is proposed . simulation and experimental results validate the algorithm 2 .通過分析目前電動(液)振動臺數字式隨機振動控制系統中廣泛采用的激勵信號生成原理,在其基礎上提出了一種通過二次相位調制來控制激勵信號峭度值和偏斜度值的方法,分別得到了頻譜可控的對稱和非對稱分布超高斯偽隨機激勵信號生成算法,并進行了數值仿真和試驗驗證,為研究頻譜可控的超高斯真隨機激勵信號生成技術奠定了基礎。

Secondly , the following two subjects are discussed according to the calculation of short - circuit current : ( l ) to verify the dynamic stability condition of wires by using simulated annealing algorithm ( sa ) , the paper calculates the maximum value of rectangle wires “ short - circuit electrodynamic stress and gets the conditions of their having the maximum value . furthermore , some concerned data about the verifying of copper wires are given by analysing vibration spectrum of the electrodynamic stress ; ( 2 ) in order to get the heat withstand conditions of wires , the paper discusses some common calculation methods , and then tries to study the problem applying artificial neural network ( ann ) based on heat principle of metals . the model is shown to be feasible 其次,在電路中短路電流計算的基礎上, ( 1 )進行母線的短路動穩定校驗計算:采用模擬退火算法( sa算法)計算了矩形母線短路電動力的最大值及其取極值的條件,獲得了更為一般的結果,進而通過短路電動力的頻譜分析,給出了銅質母線的有關短路校驗計算數據; ( 2 )進行母線的短路熱穩定校驗計算:討論了熱穩定校校的幾種常用計算方法,從導體或電器的發熱機理出發,運用人工神經網絡理論對母線的熱穩定問題進行計算,通過算例比較,證明該方法用于熱穩定計算是可行的。

The magneto - elastic motion equation and the electrodynamic equation of the thin strip conductive plate in a leaning magnetic field are derived on the basis of the principle magneto - elastic theory , and the characteristic equations of the vibration of the plate supported along two long sides are obtained as well 摘要以磁彈性基本假設為出發點,給出了傾斜磁場中無限長條形薄板的磁彈性運動方程及電動力學方程,并推得了兩長邊簡支薄板的磁彈性振動特征方程式。

Finally , the headwaters of harmonic current and its harms to power system are discussed , the influences of harmonic currents to short - circuit verifying are analyzed , some parameters are gained according to the analyse on vibration spectrum of the electrodynamic stress 最后,討論了電力系統諧波的產生原因及其危害,分析了電力諧波對短路動穩定校驗的影響,通過對含有諧波的短路電動力的頻譜分析,得到相應的動穩定校驗參數。

Similarly , atoms and inter - atomic forces , in terms of electrons , nuclei , the electrodynamic forces between them and qm ; and so on 類似地,對于原子和原子間作用力,可以依據電子、原子核、它們之間的電動力以及量子力學;如此等等,不一而足。

Inspection methods for basic parameters of environmental testing equipments for electric and electronic products - electrodynamic vibrating type machines for vibration sinusoidal test 電工電子產品環境試驗設備基本參數檢定方法振動

Computation of electrodynamic in the three - phase conducting wires of overhead transmission line under equilateral triangle arrangement 架空輸電線路三相導線正三角形排列時的電動力計算

Dynamic simulation of operating mechanism in low - voltage molded case circuit breaker considering electrodynamic force 計及電動斥力效應的低壓塑殼斷路器機構動力學仿真

Electrodynamic test equipment for generating vibration . methods of describing the characteristics of the equipment 發生振動用電動試驗設備.設備特性說明方法

Electrodynamic test equipment for generating vibration - methods of describing equipment characteristics 振動產生用電動式測試設備.描述設備特性的方法

The inference for nonsinusoidal single - phase active power reading measured by electrodynamic type meter 非正弦和不對稱負載情況下的功率流向和計費標準

Electrodynamic test equipment for generating vibration - methods of describing equipment characteristics 電動振動試驗設備特性的描述方法

Rules for the inspection of electrodynamic cone loudspeakerof direct radiate type for export 出口直接輻射式電動錐形揚聲器檢驗規程

The mathematics research of the glasshouse electrodynamic loosener ' s loose soil parts 溫室電動松土機松土部件的數學研究

Characteristics and tests of electrodynamic and electromagnetic braking systems 電動和電磁制動系統的特性表述和試驗

Characteristics and tests for electrodynamic and electromagnetic braking systems 電動和電磁制動系統的特性和試驗

Verification regulation of electrodynamic vibration generator system for testing 電動式振動試驗臺檢定規程

Modelling and motion analysis of space electrodynamic tethered systems 空間電動繩系推進的動力學建模與分析

General specification for electrodynamic loudspeaker of direct radiator type 直接輻射式電動揚聲器通用規范