測聲計 的英文怎麼說

中文拼音 [shēng]
測聲計 英文
acoumeter
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  1. To measure, calculate, display, print sound intensity sound pressure, sound power, three dimensional sound intensity spectrum, equal intensity contour are all deeply studied. a set of software using multiple document interface ( mdi ) running under microsoft windows platform is developed

    本文就強、壓、三維強譜、等強線以及a權、 1 / 3倍頻程的量、算、顯示、列印等進行了深入的研究,並編制了一整套運行於windows平臺的圖形化多文檔界面量分析軟體。
  2. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼器的設採用優化g . 729a代碼達到設要求,並在此基礎上加入g . 729b的靜音檢模塊,以進一步降低網路傳輸帶寬;對回消除器的設採用nlms演算法,通過設自適應fir濾波器和語音檢器達到回消除目的;對雙音多頻設,信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號,信號檢端提取頻率信息以檢信號;對呼叫進程音設,除了類似雙音多頻的信號發生及頻率檢外,還需要檢信號持續時間,作者設了一種基於匹配狀態表的方法以檢信號持續時間。
  3. In order to make the mgb more easy - operating, ultrasonic testing simula - tion software was designed and developed, which has a good user - oriented interface and can simulate easily the inspection fields of planar transducer, focused transducer and angle beam transducer. it also can help inspectors analyze the inspection procedures and predict the feasibility of actual ultrasonic testing, then choose suitable inspection parameters. the side - drill hole and flat - bottom hole are commonly used in ultrasonic

    為了使多元高斯模型使用更加方便,本文設並開發了基於多元高斯束理論的超場模擬軟體,該軟體具有良好的圖形用戶界面,操作簡單,可方便地實現直探頭、聚焦探頭和斜探頭的檢場模擬,可幫助檢人員進行檢過程的分析及結構件的可檢性預,並選擇合適的檢工藝參數。
  4. Electroacoustics - simulators of human head and ear - acoustic coupler for the calibration of supra - aural earphones used in audiometry

    學.人頭和耳模擬器.用於的超級聽力耳機校正用聽力耦合器
  5. Electroacoustics - simulators of human head and ear - part 3 : acoustic coupler for the calibration of supra - aural earphones used in audiometry

    學.人頭和耳模擬器.第3部分:用於聽力的超聽力耳機校正用耦合器
  6. Product introduction bst - ant - g0 series access product adopts integration design, and synthesizes the antenna rfidreader infrared ray check voice and light alarm and powerful io controller. its read range can up to 120cm, and use for identifying personnel or goods passing in or out the access

    Bst - ant - g0系列通道產品採用一體化結構設,集成天線系統rf讀寫設備紅外檢光報警和功能強大io控制器,讀寫距離可達120cm ,可用於人員貨物通道進出識別。
  7. This article elaborated the ultrasonic ranging basic principle, thesurvey, the computational method, and detailed introduction based onultrasonic ranging technology application back - draft radar systemdesign

    留學解答資訊網:本文論述了超距的基本原理,量、算方法,並詳細介紹基於超距技術應用的倒車雷達系統的設
  8. The count demodulator design of underwater active acoustic detecting device based on cpld

    的水中主動數檢波器設
  9. Electroacoustics - audiological equipment - part 1 : pure - tone audiometers

    學.聽設備.第1部分:純音
  10. Iec 6 electroacoustics - audiological equipment - part 1 : pure - tone audiometers iec 60645 - 1 : 2001 ; german version en 60645 - 1 : 2001

    學.聽覺病矯治學設備.第1部分:純音
  11. Methods for measurement calculation of sound emitted by machinery and equipment at work stations and other specified positions from sound power levels

    工作站和其他特定場所機械設備音排放強級的算方法
  12. Meteorology - sonic anemometers thermometers - acceptance test methods for mean wind measurements

    氣象學.學風速溫度.平均風速的驗收試驗方法
  13. There are also instruments known as noise meters which measure this level directly.

    還有一些可以直接強級的儀器,叫做噪
  14. Taking the near - field solution as the inputting data for aeroacoustic formulas, we solved the far filed hsi noise of rotors by several methods, which include farassat method solving fw - h ( ffowcs - william / hawkings ) equation, kirchhoff method solving general wave equation and a combined method ( k - fwh method )

    算以旋翼流動解為基礎,採用了氣動噪時域理論提供的三種預方法,包括求解ffowcswilliams - hawkings方程的farassat方法、求解廣義波動方程的kirchhoff方法以及結合前兩種方法的k - fwh方法。
  15. First of all, by establishing the observation model of complex harmonic signal and complex linear chirp signal respectively under the co - jamming of additive and multiply noise, the paper constructed cyclic moment detectors of different orders, deduced snr expression of the detector through theoretic analysis, discussed the relation of detector performance and noise statistical characteristic. the curve of detection performance is obtained through monte carlo simulation test, proving the related conclusion derived

    首先,論文分別以加性和乘性噪聯合干擾下的復諧波信號和復線性調頻信號為觀模型,構造了基於不同階次的循環矩檢量,從理論上推導出了檢器的信噪比表達式,分析了檢器性能與噪特性的關系,通過monte - carlo模擬試驗得到了檢性能的曲線,驗證了推導的有關結論。
  16. On the base of the active sonar theory, this thesis delves into the critical technical of how to design detecting sonar system of under water vehicle, and completely discusses the idea of system designing, the construction of hardware, the problem solution of critical technical and experiment result analysis

    本論文基於主動納的基本原理,深入研究了水下航行器的探納系統設過程所涉及的關鍵技術,結合探納的研製工作,全面論述了系統的設思想、硬體構成、關鍵技術問題的解決和實驗結果的分析。
  17. Second, introduce the dyadic wavelet analysis, and use it realized the signal monitor and analysis to the turbine compressor, obtained the detail signal and approach signal at different frequency parts of the compressor s original signal. one type of electromotor that made in china is choose, and it s noise is tested. the noise signal is analyzed by wavelet analysis and spectrum analysis. several high spectral peaks that make people hearing disameniry are found. by contrast with theory calculating results and farther analysis. the cause that producing these spectral peaks is located

    其次,介紹了二進小波分析,並應用二進小波分析實現了對透平壓縮機信號的監分析,得到了壓縮機原始信號在不同頻率段分解的細節信號和逼近信號。用小波分析和譜分析相結合的方法對某國產電機的噪進行了分析,找出了人的聽閾不閱的幾個高譜峰位置,進行了空氣動力噪算,通過與理論算結果進行對比分析,進一步找出了產生該頻閩譜峰的幾個原因,第三,介紹了諧波小波和分形的基本原理。
  18. The multiple beam sonar system for terrain survey has met the system ' s requirement via the results of pool static experiments

    通過水池的初步靜態實驗,我們研製的多波束地形探納系統已經達到了了系統的設要求。
  19. In the present work, the causing of high noise of multi - effect falling film evaporator was introduced in detail. based on the result of modern test technology, the relationship of noise and work presser was received. ground on the method of superposition, the noise of raw material pump was separated from the mixed noise and gets the true noise of steam - jet - ejector

    本文對三效降膜蒸發器設備工作時,噪產生的機理進行了理論分析與研究,利用現代試技術手段進行試與分析,得出三效降膜蒸發器設備的整體噪隨熱壓泵工作壓力增大而增大的關系,利用噪疊加原理,將三效降膜蒸發器設備的物料泵噪作為背景噪算得出三效降膜蒸發器設備的熱壓泵真實噪,因而得出熱壓泵噪亦隨其工作壓力增大而增大的關系。
  20. 2. to dissert how to realize detecting sonar system on hardware. include hardware realization approach of analog signal pretreatment, digital signal processing, transmitter, receiving converter and system power supply

    論述如何在硬體上實現探納系統,包括模擬信號預處理機,數字信號處理機的實現,發射機,接收轉換以及系統的電源設都給出了具體的硬體實現方案。
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