Guralp-systems Scream Uživatelský manuál stáhnout pdf (Strana 41)

User guide

To open the Filter Design window, click on the arrow to the right of the

Filter icon and select Design… from the drop-down menu.

From top to bottom, the window contains

• the parameters of the current high-pass (red) and low-pass

(green) filter in numerical form,

• a graph of the response of the current filter, showing the –3 dB

level and corner frequencies,

• (at bottom left) display settings for the graph, and

• (at bottom right) control buttons for the window.

4.3.1 Filter parameters

The filter parameters are shown at the top of the Filter Design window.

• Select Highpass to switch on the high-pass filter, and enter the

value of the corner frequency required in either the Hz or the

Secs (seconds) box. You are not allowed to enter a value of 0 in

either box.

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Guralp-systems Scream Uživatelský manuál Strana 41