نتایج جستجو برای: peak power
تعداد نتایج: 612795 فیلتر نتایج به سال:
Introduction: Spectroscopic imaging based on conventional 3D PRESS localization is improved by using very selective suppression (VSS) pulses for outer volume suppression [1]. Cosine-modulated VSS pulses can be used to simultaneously suppress two parallel bands [2] but doubles the required peak RF amplitude. This abstract presents an efficient method for designing a dualband VSS pulse that requi...
The implementation ofmulticarrier (MC)modulation inwireless andwireline communication systems, such as OFDM and DMT, is restricted by peak signal power, due to a sensitivity of the technique to distortions introduced by nonlinear devices. By controlling the peak power, the negative influence of signals with high peaks on the performance of the transmission system is greatly reduced. This book d...
orthogonal frequency division multiplexing (ofdm) has become a promising method for many wireless communication applications. however, one main drawback of ofdm systems is the high peak-to-average power ratio (papr). selected mapping (slm) is a well-known technique to decrease the problem of high papr in ofdm systems. in this method, transmitter is obliged to send some bits named side informati...
The purpose of this study was to investigate the effect of various loads on the force-time characteristics associated with peak power during the hang high pull (HHP). Fourteen athletic men (age: 21.6 ± 1.3 years; height: 179.3 ± 5.6 cm; body mass: 81.5 ± 8.7 kg; 1 repetition maximum [1RM] hang power clean [HPC]: 104.9 ± 15.1 kg) performed sets of the HHP at 30, 45, 65, and 80% of their 1RM HPC....
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