acoustic amplifier 中文意思是什麼

acoustic amplifier 解釋
擴音器
  • acoustic : adj. 1. 聽覺的；聲學的。2. 助聽的；傳音的。3. 原聲的，不經過電子設備傳聲的。adv. -tically 在聽覺上；在聲學上。
  • amplifier : n. 1. 【電學】擴大器；擴音器。2. 放大鏡；放大器。
  1. Hangdian technology is one of the size able enteiprises in china which specianzes in the m anufacture and development of switch and socket, irs products mainly include touch switch, socket for power supply, 2. 5, 3. 5and 6. 35jack, rca concentric socket, connection ports, etc and covers tens of series, they are widely used in mp3, multi - media, acoustic system, tv, tape recorder, power amplifier, vcd players, and other precision electronic equipments

    航電科技是國內專業生產和研發開關，插座的大型企業之一.公司主要生產經銷開關，電源插座， 2 . 5 ， 0 . 5 ， 6 . 35插口， rca型同芯插座，接線端子等幾十種系列產品.產品廣泛用於mp3 ，多媒音響，電視機，收錄機，音箱，功放以及影碟機等家用電器和其它精密電子儀器設備用
  2. 4. according to the analyses of underwater acoustic channel and long - range remote control receiving system, we designed the long - range remote control receiver, including a low noise prefix - amplifier, a band pass filter and an auto - gain control circuit. finally, the analog part of the receiver is tested and the frequency response of this receiving system is obtained.

    結合對水聲通道特性和遠程遙控接收系統的分析，進行了遠程遙控接收機的設計，包括接收機低噪聲前置放大器的設計、帶通濾波器電路的設計和集成以及自動增益控制電路的設計，最後對接收機模擬電路進行了調試。
  3. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素（ ql值）超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器，頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器，精心設計電路，優化設計布置印製電路板，用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件，製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。
  4. Major product ranges : aluminium extrusions such as automotive amplifier parts, acoustic instrument tubes, heat sinks, personal computer and sound reproduction equipment components, fine aluminium decorative parts and metal stampings

    根據客戶要求，提供各式新款，鋁音響面板散熱片金屬沖壓製品等.從設計開發製造全方位服務
  5. Model sa - 31 and sp - 331 tantalum crystal detachable amplifier and the sa - 32sp332 transistors prestage - rearstage detachable amplifier respectively won the " best requtation award " and " good reputation award " with their outstanding acoustic and elegant figures. in the third national av equipment exhibition in 1997. shengya won champion again with its outstanding acoustics

    在歷年舉辦的全國音響器材大展，聲雅的眾多產品都得到專家組給予「最受好評」 「深受好評」 「專家組一致好評產品」 「專家組好評產品」等殊榮。
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