نتایج جستجو برای: modulation depths
تعداد نتایج: 168555 فیلتر نتایج به سال:
مبحث تحلیل زمان-فرکانسی سیگنالها یکی از مهمترین زمینه های مورد بررسی پژوهشگران علوم ÷ایه کاربردی و فنی مهندسی میباشد.در این پایان نامه فضاهای مدولاسیون به عنوان زمینه اصلی این بررسی ها معرفی گردیده اند و نتایج جدیدی که در حوزه های مختلف ریاضی،فیزیک و مهندسی کاربرداساسی و فراوانی دارند استوار و بیان شده اند.به ویژه در این پایان نامه به بررسی و یافتن مقادیر ویژه عملگر های شبه دیفرانسیل با سمبل در...
Purpose: To evaluate whether cortical encoding of temporal processing ability, using the N1 peak of the cortical auditory evoked potential, could be measured in normally hearing young adults using three paradigms: voice-onsettime, speech-in-noise and amplitude-modulated broadband noise. Research design: Cortical auditory evoked potentials (CAEPs) were elicited using: (1) naturally produced stop...
The initial stages of fault development have been recognized in laboratory experiments, but not at seismogenic depths. To fully understand how faults initially develop and begin to evolve, one needs to first recognize and then observe the emerging structure. Recognizing the birth of a fault requires a priori knowledge of the regional tectonics, geologic structure, and seismic history. This info...
Absmct PSK real number codes for the Rayleigh fading channel were proposed in [I]. This paper tabulates the detailed mapping of sc*me simple full-diversity low-delay codes in the original and the manually refined forms. The performance is examined by simulation at various interleaving depths. For the codes considered, the manually refined ones are found to be easy to implement and offer very li...
OBJECTIVE Sound modulation is a critical temporal cue for the perception of speech and environmental sounds. To examine auditory cortical responses to sound modulation, we developed an acoustic change stimulus involving amplitude modulation (AM) of ongoing noise. The AM transitions in this stimulus evoked an acoustic change complex (ACC) that was examined parametrically in terms of rate and dep...
Given a set P = {p1, . . . , pn} of points and a point q in the plane, we define a function ψ(q) that provides a combinatorial characterization of the multiset of values {|P ∩Hi|}, where for each i ∈ {1, . . . , n}, Hi is the open half-plane determined by q and pi. We introduce two new natural measures of depth, perihedral depth and eutomic depth, and we show how to express these and the well-k...
Spatial terahertz wave modulators that can arbitrarily tailor the electromagnetic wavefront are in high demand nondestructive inspections and high-capacity wireless communications. Here, we propose a liquid crystal integrated metadevice. It modulates based on adjustable electromagnetically induced transparency analog when spatially changing environmental refractive index. The functions of devic...
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