測聲器 的英文怎麼說
中文拼音 [cèshēngqì]
測聲器
英文
acoumeter-
Electroacoustic parameters and testing methods of loudspeaker system for cinefilm projection
電影放映用揚聲器系統電聲參數和測量方法Verification regulation of measuring condenser microphones
測試電容傳聲器檢定規程Mire acoustics - determination of sound immission from sound sources placed closed to the ear - part 1 : technique using a microphone in a real ear mire technique
聲學.置於耳邊的噪聲源排放噪聲的測定.真耳中使用傳聲器的技術Hydraulic fluid power. test code for determination of airborne noise levels. part 3 : pumps. method using a parallelepiped microphone array
液壓.氣載噪聲級測定試驗規程.第3部分:泵.平行六面傳聲器陣列方法Measurement of airborne noise from hydraulic fluid power systems and components - method of test for pumps using a parallelepiped microphone array
液壓動力系統和部件氣動噪聲測量.第6部分:平行六面體傳聲器陣列測試液壓泵噪聲Linear prediction vocoder
線性預測聲碼器Fire detection and fire alarm systems - fire alarm devices - sounders
火災探測和火災警報系統.火災警報系統.發聲器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。This paper studies the mechanism generated from flow - noise in seawater pipeline, introduces controlling method of flow - noise, analyzes sound field characteristics of flow - noise in seawater pipeline system and the merits and demerits of measuring the flow - noise methods in and out of the pipeline. in our experiment, a test measuring device of seawater muffler is used in a measuring chamberlet to verify that a method of reverberation chamberlet is difficult to exactly measure the low frequency flow - noise in pipeline. at the same time the insertion lose of water muffler in the low frequency was measured by the measuring chamberlet method
本文分析了海水管路系統內流噪聲的產生機理，介紹了流噪聲的控制方法；分析了海水管路系統中流噪聲的聲場特性以及流噪聲管內、管外測量方法的優缺點；通過海水消聲器試驗測量臺架，利用測量小室驗證了混響箱法難以準確測量海水管路系統中的低頻流噪聲；用測量小室對水消聲器在低頻段的插入損失進行了測量。Measurement microphones - part 3 : primary method for free - field calibration of laboratory standard microphones by the reciprocity technique iec 61094 - 3 : 1995 ; german version en 61094 - 3 : 1995
測量傳聲器.第3部分:用互易技術對實驗室標準傳聲器進Test technique of acoustic excitation presented in this paper can discriminate if the adhesive structure is intensional enough to endure certainty draw strength, through a series of process, for example bringing draw strength to bear on adhesive structure. testing signal through microphone array, choosing signal ' s character, recognizing automatically through manual nerve network, and so on
本文介紹的粘接構件聲激勵檢測方法，通過對粘結結構施加微力、陣列傳聲器檢測信號、信號的特徵提取、人工神經網路的分類識別等一系列過程，完成了粘接結構承受拉脫力合格與否的無損預報。Dongguan kgi technical consulting, ltd., a wholly foreign - owned enterprise incorporated in dongguan china on 12 april 2007, is mainly engaged in providing testing and technical supportive services relating to audio speakers and other related products to its related company klipsch in the u. s, canada and europe
東莞凱佳技術咨詢有限公司成立於2007年4月12日，為美國傑士音響集團旗下的一家外商獨資企業，主要業務是為美國傑士音響集團所屬的位於美國、加拿大以及歐洲的分公司提供有關音響揚聲器等一系列產品的測試和技術支持。A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning
應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量，本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析，得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現，起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成，起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大，這說明可以通過重新結構設計降低起落架噪聲。Acoustic liquid level instrument
聲波液面測定器Acoustics - measurement of insertion loss of ducted silencers without flow - laboratory survey method
聲學.無氣流管道消聲器插入的損耗測量.實驗室調查法I felt the tug of the wires connecting me to the lie detector as i came out to the end of their slack, and i heard it crash to the floor behind us, bringing the table with it
正當我在他們放鬆警惕時，我摸到了聯結在測謊器上的電線，接著我聽見了測謊器墜毀在我們後面的地板上的聲音，帶著桌子翻倒。The the room volume is 1512 m3, bottom acoustic noise is lower than 18db, and the testing system is from b k company of danmark
消聲室容積1512立方米，本底噪聲低於18分貝，採用丹麥b k公司的檢測儀器。Fire detection and fire alarm systems - part 3 : fire alarm devices - sounders
火災探測和火警系統.第3部分:火警設備.發聲器Application of ultrasonic detection in robot of detecting oil pipe
超聲波檢測在石油管道檢測機器人中的應用For solving this problem, there are several ways of measuring the pts of the swr at present, such as demarcating path length, strain and stress, magnetic induction measurement and ultrasonic measurement. however, portable, universal and effective instruments or methods don ’ t appear up to now in china
為了解決這個問題，目前已經有了多種檢測鋼軌溫度應力的方法，比如為標定軌長法、應變法、磁感應測量法和超聲波測量法，但是在我國，便攜、通用有效的檢測儀器或方法還沒有被研製出來。分享友人