Exact(29)
To create a chalcogenide lithographic mask with specified parameters using IL, you must select the optimal thickness of photoresist, exposure time, selectivity of etchant, and time of the post-exposure etching.
In addition, high-mobility terminals and scatterers induce Doppler shifts that introduce time selectivity.
Consequently, the time selectivity of the channel would be decreased as the frequency selectivity increasing.
ICI caused by the time selectivity of wireless channel will degrade the spectral efficiency of the system[2 5].
The time selectivity characteristic of a channel defines the variation of the channel with respect to time.
The time selectivity of the channel is typically characterized by the normalized Doppler frequency defined as (2).
Similar(31)
The best active MMP-2 inhibitor had IC50 value of 24 nM whereas the best selective inhibitor (IC50 = 51 nM) showed at least 4 times selectivity to MMP-2 against all tested MMPs.
We observed an even greater (25 times) selectivity of recognition between mis-disordered tau 151-391/3R and three-repeat tau protein isoform 2N3R.
Time-selectivity is particularly harmful when considering complex scenarios with multiple antennas and/or multiple users.
CFO in conjunction with the Doppler shift give rise to time-selectivity characteristics of the mobile wireless channel.
One major challenge of communications in high speed scenario is the time-selectivity caused by Doppler shifts or Doppler spread.
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