Circuit applied to display apparatus and associated signal processing method
a display apparatus and circuit technology, applied in electrical apparatus, digital transmission, orthogonal multiplex, etc., can solve the problems of inability to determine whether a received signal is impulsive interference, severe affecting image display, etc., to achieve accurate detection of impulsive interference, accurate determination of whether a received signal is, and long burst duration
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[0016]FIG. 1 shows a block diagram of a circuit 100 applied to a display apparatus according to an embodiment of the present invention. As shown in FIG. 1, the circuit 100 includes an analog front-end circuit 110, a cyclic prefix removing circuit 120, a time-domain / frequency-domain conversion circuit 130, a pilot capturing circuit 140, a data capturing circuit 142, an impulsive interference detection circuit 150, a microprocessor 160, a channel estimation circuit 170, an equalizer 180, a signal-to-noise ratio (SNR) estimation circuit 190, a de-interleaving circuit 192, a de-mapping circuit 194, a decoder 196 and a frame processing circuit 198. In this embodiment, the circuit 100 is a receiver, which disposed in a television or in a set-top box (STB) and is compliant with the Digital Television Broadcasting-Second Generation Terrestrial (DVB-T2) standard. After processing an analog input signal from an antenna, the circuit 100 generates an output signal to a back-end processing circu...
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