探聲器 的英文怎麼說

中文拼音 [tànshēng]
探聲器 英文
sonoprobe
  • : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. Abstract : this paper describes the classical mathematic model of bolometer, the effect of thermal isolation and noise on detector performance are also discussed

    文摘:總結了非製冷測輻射熱計的經典數學模型,並分析了熱絕緣結構和噪對性能的影響,指出了性能改進和優化的基本途徑。
  2. This paper researches on a novel method to measure three - dimensional sound intensity use for failure diagnosis of electro - hydraulic system and the fabrication of a miniature three - dimensional sound intensity probe by using two separate micro - machined pressure probes and one microphone frame

    本文研究了強測量技術在汽車噪源識別中的應用。通過使用兩個微型雙麥克風和支撐它們的框架,我們設計了一個小型的,用它來實現對汽車噪源的測。
  3. Ultrasonic flaw detector

  4. The best method of allotting yawp for the photoelectricity detector

    雪崩光電最佳噪分配方法研究
  5. Only in my dreams. thermo micro cam, acumeter,

    只在夢里見過。微型熱像儀
  6. Fire detection and fire alarm systems - fire alarm devices - sounders

    火災測和火災警報系統.火災警報系統.發
  7. As the microbolometer which is voltage biased express some characters different from other infrared detectors under the effect of electric heat and infrared radiation together, the computing method of parameters, such as responsivity, noise, noise equivalent temperature different ( netd ), noise equivalent power ( nep ), optical gain, detectivity and so on is given in this paper. some of these parameters are particular compared with other detectors, and some have difference between microbolometer and other detectors

    由於微測輻射熱計在施加偏置電壓的情況下,電熱效應與紅外輻射的共同作用使它表現出與其他紅外完全不同的一些特徵,文中給出了響應率、噪、噪等效功率、噪等效溫差、光學增益、測率等參數的計算方法,這些參數中的部分是微測輻射熱計獨有的,或者與其他的紅外的同一參數有所區別。
  8. The parameters contain impulse noise, memory effect, scan correlated shift, coherent noise, random noise, dropped lines, inoperable detectors, saturated detectors, mtf, system resolution

    輻射性能參數包括脈沖噪、記憶效應、掃描相關偏移、一致噪、隨機噪、丟失行、不可操作、飽和、調制傳遞函數、系統解析度。
  9. Zno film is a novel - direct compound semiconductor with wide band gap energy of 3. 37ev and a exciton binding energy 60mev at room temperature. due to its the prerequisite for visible or ultraviolet light emission at room temperature, it has the tremendous potential applications for ultraviolet detectors, leds, lds. zno thin film is used widely and effectively in the fields of surface acoustic wave devices, solar cell, gas sensors, varistors and so on because of its excellent piezoelectrical performance

    室溫下禁帶寬度為3 . 37ev ,激子束縛能為60mev ,具備了室溫下發射紫外光的必要條件,在紫外、 led 、 ld等領域有著巨大的發展潛力; zno薄膜以其優良的壓電性能、透明導電性能等使其在太陽能電池、壓電件、表面件、氣敏元件等諸多領域得到廣泛應用。
  10. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離,給出了能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;對衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究,分析了多用戶干擾、接收光功率、背景光噪、振動偏差以及碼速率對系統誤碼率的影響,給出了相應的改進措施。
  11. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光接入系統的光收發單元,採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用,針對大氣通道的特點無線光系統收發單元在光源、光、前置放大電路上存在許多有別于光纖通信的技術,同時還闡述了光接收機包括背景噪的噪機制和接收靈敏度、誤碼率等指標,最後給出了一個整個傳送鏈路的功率預算。
  12. For certain detectors, noise is introduced by a readout system.

    對于某些,讀出系統也會引起噪
  13. In electronic detectors such as photomultipliers and television tubes, noise manifests itself as random fluctuations in the output current.

    對于光電倍增管,電視攝像管之類的電子,噪則表現為輸出電流的隨機起伏。
  14. Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network

    該系統還採用美國進口原裝晶元與先進的無線數字高頻技術微電腦cpu控制主機組成。在防範地點安裝好主機后,並設置在布防狀態。一旦有盜賊闖入防範地點,立刻發射無線編碼信號,安裝在距防區150米以內的主機立即發出警笛報警,報警時撥打預先設定的聯網中心號碼或報警電話手機號碼,接警電話里回放用戶預錄的報警語音,遠程報警,同時通過網際網路來實時傳遞布防撤防報警等狀態,通過電腦網路來查詢歷史記錄。
  15. As a detecting device working underwater, the synthesize aperture sonar is fixed in the underwater carrier

    作為水下的一種,該系統的水下測部分載體內承裝的是合成孔徑納系統。
  16. Two klimov tv3 - 117v turboshafts provide a top speed of 250 kmh and a range of 800 km. upto 2000 kg of disposable stores can be carried in a lower - fuselage weapon bay, and generally comprise two torpedoes or depth charges

    動力裝置為2臺tv3 - 117v渦軸發動機,單臺功率1660千瓦,可安裝吊掛納浮標磁異雷達告警接收機紅外干擾,並可載魚雷深水炸彈等。
  17. For example, the geometric effect and vignetting are simulated with the synthetic method in which they are modeled with ray tracing and then simulated with pixel - based processing. the effects of detector noise on imaging are simulated with the three - dimension model. the theory of pixel transfer function is extended and developed, and microscanned images of four patterns are simulated with good results

    本文具有如下幾個突出特點:用光線追跡法分析建模,而用基於象素處理的綜合方法,模擬了光學系統中的幾何效應和漸暈現象;利用三維噪模型,模擬了對圖像質量的影響;對象素傳遞函數理論進行了擴展和延伸,給出四種工作模式的微掃描成像系統的象素傳遞函數的具體數學表達式,並利用這些表達式模擬了的空間效應和微掃描成像的圖像效果。
  18. Fire detection and fire alarm systems - part 3 : fire alarm devices - sounders

    火災測和火警系統.第3部分:火警設備.發
  19. On the basis of analysis of characteristic of common air detector, in allusion to specific request of air bubble monitoring in the transfusion pipe, the thesis selects ultrasonic air detector to monitor air bubbles, then analyzes and reasons its feasibility in theory

    在分析常用的氣泡特點的基礎上,針對輸液管氣泡檢測的具體要求,選用超波氣泡傳感進行氣泡檢測,並對其可行性進行了原理性的分析和論證。
  20. Due to temperature performance of fbg, a reference fbg is adopted to compensate temperature and the compensation principle is expounded. moreover, this scheme not only realizes temperature compensation but also reduces repeatability error of ffptf and errors from power fluctuation of light source, noise of pd and noise of electro - circuit. in the end, temperature and strain performance of fbg is tested and

    基於光纖光柵的溫度響應特性,提出用一個參考光柵來進行光纖光柵傳感陣列溫度補償的設計方案,並論述了其補償原理,證明了該方法的可行性;同時可以看出,該方法不僅可以實現溫度補償,也可以減小光纖f - p可調諧濾波的重復性誤差以及光源功率波動、和電路噪等引起的誤差。
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