acoustic pulse 中文意思是什麼
acoustic pulse
解釋
聲脈沖,脈沖的-
An acoustic-emission pulse contains a very wide range of frequency components, extending up into the megacycle range.
聲發射脈沖就包含一個很寬的頻率組成范圍,可擴展到兆赫。 -
The new characteristics of borehole compensated ability of two transmitters and two receivers acoustic log system were given under a pulse resource and no attenuation ideal beds by numerical simulation
摘要通過數值模擬計算給出了點聲源、無衰減各種理想地層條件下雙發雙收聲系在不同擴徑層段新的聲速測井響應特徵規律。 -
Q - switching test of e - o modulator was carried out, the results displayed regular rectangular optical pulse figuration without any acoustic ringing, the leading and trailing edges is 5 ns
製作的電光開關的光斬波實驗,結果顯示出正常的矩形開關光脈沖,上升和下降沿都是5ns ,看不出任何振蕩現象。 -
Pulse repetition frequency of middle section of male courtship signal declined from start to end, the average declining range was 4. 0 hz. through cutting and combining to courtship signals, we found sensitive acoustic section to female was the middle part of male courtship signal and to male was female courtship signal
門)褐飛虱求偶鳴聲中的敏感聲學片段和敏感聲學因於利用daasias對褐飛虱雌、雄蟲分別口放異性求偶信號及其片段組合,結果表明:雄蟲求偶嗚聲信號m片段是雌蟲的敏感聲學片段,雌蟲求偶嗚聲即是雄蟲的敏感聲學片段。 -
Wavelet transformation technology is applied to the small - current sensor, and the constructed pulse - respone function of the surface - acoustic - wave transducer is comsidered as a wavelet function, thus the surface - acoustic - wave type of element for wavelet - transformation and reconstruction is manufactured to filter the jamming signal of the small - current sensor effectively
把小波變換技術應用到小電流感測器中,構造的聲表面波換能器脈沖回應函數等於小波函數,從而製造出了聲表面波式小波變換及重構器件,該器件可有效濾除小電流感測器的干擾信號。 -
It has put forward a imaging method of acoustic lens using photoacoustic signal and according to the kirchhoff diffraction theory we deduced pulse response of acoustic lens
光聲信號聲透鏡層析成像方法的提出,並依基耳霍夫衍射理論推導了聲透鏡的脈沖響應。 -
Active underwater acoustic positioning / tracking systems locate target by measuring the range from object to receiving sensors. usually the target - receiver range can be got by the propagating time of a signal pulse. if this propagating time is larger than the pulse repetition period, it will mean that more than one signal pulse are on propagation
主動水聲跟蹤定位系統通過測量脈沖信號的傳播時延可以測得目標相對接收機的距離,當此傳播時延大於系統同步周期時,時延測量就會呈現不確定性,可能相差若干個重復周期,導致定位解多值,稱之距離模糊現象。 -
Computation results provide optimized dimensions of regenerator for different pressure ratios at a fixed acoustic power input, which could be a preliminary guide in designing a regenerator for pulse tube refrigerators
計算了給定輸入聲功率、不同輸入壓比條件下回熱器的優化尺寸,可為脈管製冷機回熱器的優化設計提供參考。 -
Acoustic pressure pulse
聲壓脈沖 -
Methods of measuring the pulse acoustic pressure of ultrasonic diagnostic equipment for medical use
醫用超聲診斷儀的脈沖聲強.測量方法 -
Acoustic pulse echo system
聲脈沖回聲測距系統 -
Second discusses adaptive filter ' s application in measuring frequency of cw sonar pulse signal and in towed linear array sonar signal processing. simulation is made about adaptive filter ' s application. simulation result shows that adaptive filter is very powerful tool for underwater acoustic signal processing
接下來本文討論了自適應濾波器在cw聲納脈沖信號測頻和拖曳線列陣聲納信號處理中的應用,並進行了模擬研究,模擬結果表明自適應濾波器是處理水聲信號的十分有效的工具。
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