Digital Signal Processing Reference
In-Depth Information
response can be roughly determined - with the aid of the test receiver
equalizer - from the PRBS sequences contained in the 8VSB signal. The
signal characteristics output by the 8VSB test receiver can be used to align
an ATSC modulator or transmitter, for example. The equalizer data also
provides information on echoes in the transmission channel and allows
calculation of the impulse response.
Fig. 24.8. Amplitude and phase response measurement using an 8VSB test re-
ceiver [EFA]
Fig. 24.9. Ghost pattern/impulse response
Bibliography: [A53], [EFA], [SFQ]
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