Campbell FW05 Manuel télécharger pdf (Page 25)

CSAT3 Three Dimensional Sonic Anemometer

FIGURE 8-1. Typical average CSAT3 current drain at +12 VDC

i + 1

i + 2

i + 3

i - 1

i - 2

i - 1

i + 1

i + 2

i + 1

Trigger

Measure Times

Of Flight

Process Data

Output Data

Time

i+1

i+2

i+3

FIGURE 8-2. CSAT3 pipeline delay

8.1 Sampling Modes

The CSAT3 can be configured to make measurements in either a single-

measurement mode or an oversampled mode. In the single-measurement

mode, the CSAT3 makes one measurement synchronously with the trigger

provided by the CSAT3 internal trigger, SDM communications, or RS-232

communications. In the oversampled mode, the CSAT3s internal trigger, SDM

communications, or RS-232 communication trigger several measurements.

The average of these measurements is output at the trigger rate.

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Campbell FW05 Manuel Page 25