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In this paper, the measurement system for digital terrestrial television broadcasting is proposed in order to identify the reflection points of the propagation paths. The aim of identifying the reflection points is that they are used for detailed analysis of reception characteristics in the service area using the ray tracing scheme. This can be useful for designing the service area of the SFN gap...
An improvement scheme for degradation of reception characteristics of the digital terrestrial television broadcasting (DTTB) is an important issue. The degradation is caused by multipath effects, thus an analyzing technique for the channel is significant. In this paper, an analyzing technique for the channel delay profile that is obtained from the pilot symbol from the received signal is proposed...
Polarities of plasma charging damage in n- and p-channel MOSFETs with Hf-based high-k gate stack (HfAlOx/SiO2) were studied for two different plasma sources (Ar-and Cl-based gas mixtures), and found to depend on plasma conditions, in contrast to those with conventional SiO2. For Ar-plasma, which was confirmed to induce a larger charging damage, both n- and p-ch MOSFETs with high-k gate stacks suffer...
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