A1.2.2 Satellite band
A1.2.2.1 Analogue TV
In the measurement mode of analogue signals in the satellite band, measures
available are:
►
Level
Measurement of the tuned carrier level.
►
C/N
Ratio between the modulated signal power and noise power equivalent to the
same bandwidth (as TV standard).The modulation error ratio (MER), used in
digital systems is analogue to the Signal-Noise (S / N) ratio in analogue
systems. The carrier level is measured by a quasi-peak detector
(4 MHz BW).The noise level is measured with an average value detector
(230 kHz) and corrected to refer it to the channel bandwidth .
►
Video / Audio
Ratio between levels of video carrier and audio carrier.
v1.0.0
14
August 2012
Содержание HD RANGER
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Страница 16: ...Lateral view Figure 5 Top view Figure 6 Optical Option 2 8 August 2012...
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Страница 20: ...MEASUREMENT MENU SETTINGS MENU 2 12 August 2012...
Страница 21: ...INSTALLATIONS MANAGEMENT PREFERENCES MENU Figure 7 August 2012 2 13...
Страница 26: ...Modo TV Figure 16 FULL TV Figure 17 TV SPECTRUM MEASUREMENT Figure 18 TV SERVICE DATA 2 18 August 2012...
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