acoustic unit 中文意思是什麼
acoustic unit
解釋
聲學單位-
Jiefu has a strong r d team which organized of state grade acoustic expert, constructs an effective production and quality control system, possesses of denmark loudsoft acoustic design soft and american lms acoustic analysis soft, full set b k2012 acoustic testing system, korea sigma inspect and test system as well as a 520cbm anechoic room, several reliability laboratory and subjective audition room. facilitated by all the above - mentioned resource, jiefus engineers continuously design and create the excellent speaker unit and speaker system
公司憑藉由國家級聲學專家組成的技術研發隊伍，建有一套有效的生產質量控制體系，擁有丹麥loudsoft聲學設計軟體和美國lms聲學分析軟體全套的丹麥b k公司2012電聲測試系統，和韓國sigma測試及試驗系統，並配備有520立方米的消聲室，多個信賴性實驗室和主觀聽音室，通過這些完備的研究開發資源，傑夫工程師不斷設計並生產出優秀的揚聲器單元和系統。 -
Unit area acoustic impedance
聲阻抗率 -
Adjoining to shanghai and alongside charming taihu lake, wuxi jiefu electroacoustic co., ltd. is a private joint - stock company which was reorganized on jan 18, 1998. jiefu as one of chinese lead acoustic enterprises is specialized in manufacturing various speaker unit and speaker system and enjoys self - support import and export authority
傑夫電聲緊臨上海，位於美麗的太湖之濱，於1998年1月18日重組?股份制有限公司，專業生?各類揚聲器單元及系統，並享有進出口自營權，是全國電聲行業的重點企業之一。 -
The acoustic 3d imaging sonar can obtain the 3d slice images by the receiving sound signals. so the underwater intelligent robot can identify and classify the detected target. in this paper, the hardware system of the underwater receiving unit of the acoustic 3d imaging sonar is researched and implemented
水下三維聲成像聲納通過獲取水下目標的三維聲信息，並在此基礎上提取出目標的三維切片聲圖像，實現對探測目標的三維識別和分類，從而完成聲視覺的任務。 -
The beam steering theory is studied to solve the problem that we can not get wider 3db bragg bandwidth and high diffraction efficiency at the same time in the optimum design of ln anisotropic acousto - optic deflector ( aod ) which is a crucial issue in the process to design an ao deflector. based upon the study of the unit cell structure of ln, the acoustic property and the optical property and the acousto - optic property are analyzed and presented
以最根本的鈮酸鋰晶體晶胞結構為出發點對鈮酸鋰晶體的聲學、光學以及聲光性質進行了推導和描述。並以此為基礎利用克里斯托夫方程計算鈮酸鋰晶體中分別在xoz與yoz聲光互作用平面上的本徵速度與聲離軸角之間的關系，並給出倒速度曲線。
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