| Summary: | 碩士 === 高苑科技大學 === 電機工程研究所 === 100 === This thesis investigates the performance analysis of the Transfer Stream Data Rate joined with carrier-noise-ratio(CNR) for the digital terrestrial television broadcasting DVB-T in European regulation.
The test is based on the SFE-100 RF transmitter manufactured Rhodes Schwarz. The measurement of Transfer Stream Data Rate is compressed by ELP1000 encoder as video, and then transmitted to the SFE-100 RF transmitter.
The power output of SFE-100 is adjust in a -38.5dB environment, the Frequencies for 6MHz, 7MHz, 8MHz and chosen as centered at 599MHz, 665MHz, and 666MHz respectively. The receive is by 8k mode; based on QPSK, 16QAM, 64QAM modulation and 1/2, 2/3, 3/4, 5/6,7/8 code rate and 1/4, 1/8, 1/16, 1/32 guard interval. The distortion results is observe image in result of carrier to noise ratio
The experimental results show, 6MHz resist C/N (0.22dB) able than 7MHz (0.88dB) and 8MHz (1.48dB) more excellent , hope by this study in favor of domestic norms in the formulation of the standard C/N.
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