Guralp-systems Scream Manual de usuario descargar pdf (Pagina 42)

Scream! 4.5

While the cursor is in one of the frequency boxes, pressing the

and keys will nudge the corner frequency up and

down.

Alternatively, change the corner frequency by clicking on the

graph with the left mouse button. If the low-pass filter is active,

and you click to the right of the low-pass corner, both

frequencies will be moved.

If the frequency you want is not shown in the window, it may

be above the Nyquist frequency for the currently-selected

sample rate. Change the value in the n sps box at the bottom

left and try again.

Change the order of the filter by entering a number in the nth

Order box.

• Select Lowpass to switch on the low-pass filter, and enter the

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

Secs (seconds) box.

Alternatively, change the corner frequency by clicking on the

graph with the right mouse button. If the high-pass filter is

active, and you click to the left of the high-pass corner, both

frequencies will be moved.

Change the order of the filter by entering a number in the nth

Order box.

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Guralp-systems Scream Manual de usuario Pagina 42