acoustic造句
271. The traditional phonetic research on it has been made but no acoustic analysis has been made.
272. Firstly it reviews and compares the two major ways to achieve echo cancellation, which are the acoustic echo canceller (AEC)and acoustic echo suppressor (AES) in frequency domain.
273. High-sensitivity photoacoustic detectors apply an acoustic resonator for the amplification of the weak photoacoustic signal.
274. Interference of acoustic direct wave coming from sound source makes accurate determination of underground conditions with acoustic waves difficult.
275. A method for extracting the low frequency line spectrum of helicopter acoustic signals is presented based on the one and half spectrum estimation.
276. The wide application of switched reluctance motor ( SRM ) is limited by their higher vibration and acoustic noise.
277. The results of simulation show that the accuracy of passive acoustic locating system based on dual arrays for shell burst of antiaircraft gun is improved, and can also be .
278. ZnO thin films can be used to fabricate transparency electrode, piezoresistor, cell battery window, surface acoustic wave device, gas sensor and light-emitting diode etc.
279. Acoustic material and heat-resisting heat-storing material is filled in the porous inner tube and the housing body.
280. We are manufacturing Amplifiers & Effectors as well Acoustic Guitar Preamp &, Magnetic Pickups.
281. Previous research on acoustic scattering was generally on the premise that the incident waves were plane waves.
282. Acoustic neuromas affect fewer than one in one hundred thousand people a year.
283. The disturbance is sound wave, conforming to the laws of acoustic propagation in solids.
284. Based on theoretical study, an acoustic amplifier called modified acoustic amplifier with larger diameter capable of improving performance of thermoacoustic engine was proposed.
285. Surface acoustic intensity technique is an important research branch on acoustic intensity measurements.
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