Doppler Echo

DTTB system Laboratory Doppler Tests

8VSB standard mode (1Hz nom.) Fast mode - not shown (5Hz nom.)

COFDM

8-VSB

EchoLevel(dB)

Doppler Frequency (Hz)

0

100

200

300

400

500

-100

-200

-300

-400

-500

-10

-15

-20

-25

-5

0

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