نتایج جستجو برای: electric attenuator
تعداد نتایج: 144590 فیلتر نتایج به سال:
Organic ruthenium complexes and polymers with electrochromic activity in the near infrared region were prepared and their electrochemical and optical properties were investigated. The intrinsic attenuating property of these materials depends mainly on the concentration of the pair of ruthenium units in the complexes or polymers. One cured film had the attenuating power of 6.9 dB per micron thic...
− This paper presents the development of integrated near-end acoustic echo and noise reduction algorithm. The modified frequency-sampling filter (FSF) provides an effective filterbank for splitting signal into equally spaced frequency channels. The center clipper and attenuator are employed at each frequency bin for attenuating near-end acoustic echo and noise. The adaptive clipping threshold a...
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