IGOR Filter Design Laboratory, Version 3.1
IGOR Filter Design Laboratory (IFDL) is a sophisticated and flexible environment for interactive design, evaluation, and application of Finite Impulse Response (FIR) digital filters.
IFDL consists of IGOR procedures and an XOP (external operation) file that you use with your IGOR experiments and your existing copy of IGOR Pro. A printed and an electronic manual are included.
IFDL 3.1 ships on CD-ROM, and requires IGOR Pro 3.12 or later (updaters for IGOR Pro 3.10 and 3.11 are included on the CD-ROM).
Applications of IFDL
IFDL is meant to be used by people with some knowledge of digital filters and DSP.
IFDL does not design analog or Infinite Impulse Response (IIR) filters and does not perform system analysis.
IFDL's User Interface
IFDL 3.1 has a substantially revised user interface that uses IGOR Pro's user-defined controls (push buttons, popup menus, and SetVariable controls):
The IFDL Filter Designs
IFDL can design filters using the following techniques:
Kaiser's Maximum Flatness design.
IFDL automatically applies the current filter design to ideal or real data you select, whenever you request it or whenever you change a filter design parameter for instant feedback on how the filter will affect the data.
IFDL graphically compares two FIR filter's frequency, impulse, and step responses.
You can apply the designed filters in other experiments by importing the saved filter coefficients and combining them with your data:
Upgrades from IFDL 1.x
Registered owners of IFDL 1.0 through 1.2 may upgrade to IFDL 3.1 for $50.00. [Upgrade is Part Number 10-550]
Owners who purchased IFDL 1.2 after Jan 1, 1998 may receive a free upgrade by contacting WaveMetrics sales. You will need your IFDL serial number to take advantage of these upgrade prices.
Please use one of our on-line order forms.
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