attenuation造句241. Because of ultrasonic attenuation in organism is proportional to frequency, 2 MHz ultrasonic distance and receiving sensitivity.
242. The optical signal attenuation caused by fog has a great influence on the performance of the atmospheric laser communication system.
243. Finally, the compatibility test shows that the screen layer composites with magnetic absorber layer reveals a wide broadband absorption and fine attenuation ratio of electromagnetic-wave.
244. The attenuation weak spot is the black strip in the lower left corner of the band.
245. Results Methyl scopolamine, a peripheral muscarinic antagonist, leaded to a significant attenuation in the hyperthermic response to open-field exposure compared with rats dosed with saline.
246. The basic yields of a CT scan, the CT numbers, are related to the attenuation coefficient of the diagnostic X-rays, actually reflect the electron densities of the individual tissue concerned.
247. It is necessary for high precision servo systems to use phase lag compensation with large attenuation to make the system stably conditioned.
248. Simulation results showed that, with the same roughness of a tunnel, both the delay spread and the signal attenuation varied with the carrier frequency.