asac 中文意思是什麼
asac
解釋
美國非洲文化協會-
Active structure acoustic control ( asac ) is the leading field in the area of vibration and noise control. based on the most current academic and experiment results of domestic and overseas in asac, modern robust control theory ( h _ control theory ) and modern hydrokinetics theory 、 solid dynamics theory are used to build the control model of asac in this thesis. and the h _ control experimental system is build based on modern signal processing technology and compter technology
本文在國內外最新的asac理論研究與實驗成果的基礎上，首次將現代魯棒控制理論（ h _控制理論）與現代流體動力學、固體動力學理論相結合，建立了結構振動聲輻射主動控制模型，提出了設計魯棒h _控制器的新方法，並採用現代信號處理技術、計算機技術建立了結構振動聲輻射魯棒h _控制實驗裝置，進行了實驗研究。 -
Asian securities analysts council asac
亞洲證券分析員公會 -
People are interested in the study of asac system based on the radiation modes of radiation structure in recent years, and the system can reduce sound radiation power by controlling radiation modes
其中以聲輻射模態為基礎的asac系統是近年來的研究熱點。這種方法是通過聲輻射模態的抑制來使結構的輻射聲功率降低。 -
The new method of design robust h _ asac controller with mixed uncertainty is presented. the main ideal of the new method is as follows : the reduced modals are taken as additional disturbance for system, the original problem is transformed into the problem of robust performance design for the parameter uncertain system. then the parameter uncertain problem is reduced to the standard h _ control problem to solve
2 .首次基於魯棒h _控制理論，提出了設計具有復合攝動的結構振動聲輻射系統魯棒h _控制器的新方法，即:通過將未建模動態作為系統的附加干擾，把復合攝動問題的魯棒性能設計問題轉化為參數不確定系統的魯棒性能設計問題，然後將參數不確定問題變化為標準h _控制問題求解。 -
In order to reduce sound radiation of a structure, the method of active structural acoustic control ( asac ) was developed in the 1980s
自八十年代後期以來，為了更為有效地降低結構聲輻射，人們提出了主動結構聲學控制（ asac ） 。 -
The aim of asac is to control radiation power
Asac系統最終的目的是控制輻射聲功率。 -
Asac asian standards advisory committee
亞洲標準咨詢委員會 -
A robust h _ asac system for enclosed space structural sound radiation is build up for the first time, which is based on the tms320c30 dsp board. the robust h _ controller has been designed through the elections of the performance weighting function and the robust weighting function
它採用精密聲級計做為聲傳感器、激振器做為作動器，通過對性能加權函數和魯棒加權函數的選取，設計了相應的魯棒h _控制器。
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