Rigol DS1104B Guia do Utilizador descarregar pdf (Página 141)

RIGOL

User’s Guide for DS1000B Series

3-5

4. To reduce the noise by setting the acquisition type and adjust the waveform

intensity.

(1) If there is noise within the signal and the waveform looks too wide, in this case,

choose average acquisition. In this mode the waveform will be thin and easy to

observe and measure.

To use average acquisition follows these steps.

 Press soft button as Acquire→Acquisition→Average

 Toggle the Averages soft button to select the number of averages that best

eliminates the noise from the displayed waveform. It can be adjusted from

2 to 256. (See Figure 3-3)

Figure 3-3 Signal without noises

(2) To reduce the noise it can also be achieved by reducing the intensity of the

display.

NOTE: It is normal that the refresh rate will slow down when the average

acquisition mode is ON.

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Rigol DS1104B Guia do Utilizador Página 141