機械聲納 的英文怎麼說
中文拼音 [jīxièshēngnà]
機械聲納
英文
air transportable sonar-
China grand theater has advanced push and pull lift mechanical stage and orchestra, which offers excellent assurance for the art treatment of performance ; the scientific and rational sound establishment and reinforcement system and top acoustics recording equipment let the high grade and high rank large - scale symphonic concert have best audiovisual effect. in addition, the luxury illmination in the hall, the 1500 luxury and cozy seats in the audience hall and big and small vip drawing rooms which can hold 100 people can all show the splendid and luxury style of china grand theater
中國劇院具有較先進的推拉升降機械舞臺和樂池，為演出的藝術處理提供了良好保障；電腦控制的各類燈具使舞臺的藝術效果大放光彩；科學合理的建聲、擴聲系統和先進的音響錄音設備為舉辦高品位、高檔次的大型交響音樂會提供了最佳的視聽效果。劇院大廳吊裝的華麗燈飾、觀眾廳1500席美觀舒適的新型座椅、可容納100人的大小貴賓休息室等，無不顯示出中國劇院富麗堂皇的豪華氣派。The self - - noise of underwater vehicles is one of the main interfere sources in sonar, which is compound of three kinds of noise inc1uding the machinery noise, the propel ler noi se and the water ki net ics noise
航行體自噪聲是聲納的主要干擾源之一，它由航行體運動時產生的機械噪聲、螺旋槳噪聲和水動力噪聲幾部分構成。The main contents of this thesis include : ( 1 ) summarize and analysis of the theories on vibration transmission through rolling element bearings ( 2 ) based on the threshold setting and signal ’ s statistical approach, a method for solving the problems of denoise was developed ( 3 ) using sparsity and clustering, the method and hypotheses for underdetermined blind source separation was studied ( 4 ) the method based on potential function clustering was given for underdetermined blind source separation of noisy signals based on the assumption that the input distribution is sparse and the mixture procedure is linear, the attenuation matrix and the delay matrix were estimated by clustering. the approach was experimentally illustrated for the case of m = 2. the separation of the signals from bearing test bed proved that the given methods are available and reliable
在需求分析和研究現狀分析的基礎上，本論文針對如下內容進行了重點研究: （ 1 ）以滾動軸承為例，對旋轉機械振動信號的傳輸進行了歸納分析; （ 2 ）通過設定某一門限並研究信號間的統計特性，研究了旋轉機械振動信號的盲源分離過程中噪聲消減策略; （ 3 ）應用稀疏信號分析和聚類分析方法，對盲源分離中欠確定問題的假設條件進行探討並對分離方法進行了分析; （ 4 ）採用基於勢函數聚類分析的方法，研究了欠確定前提下含噪聲測量過程中信號盲源分離方法。
分享友人