Company Events Academic Community Support Solutions Products & Services Contact NI MyNI

Fixed-Point Tools VIs

LabVIEW 2013 Digital Filter Design Toolkit Help

Edition Date: June 2013

Part Number: 371988F-01

»View Product Info

Owning Palette: Digital Filter Design VIs and Functions

Requires: Digital Filter Design Toolkit. This topic might not match its corresponding palette in LabVIEW depending on your operating system, licensed product(s), and target.

Use the Fixed-Point Tools VIs to quantize coefficients, model the behavior of fixed-point filters, simulate filtering processes, generate statistics reports, and generate fixed-point target code.

The VIs on this palette can return general LabVIEW error codes or specific digital filter design error codes.

Palette ObjectDescription
DFD Convert FXP to IntegerConverts fixed-point numbers to integers. You must manually select the polymorphic instance you want to use.
DFD Convert Integer to FXPConverts integers to fixed-point numbers. Wire data to the I16 input to determine the polymorphic instance to use or manually select the instance.
DFD FXP Code GeneratorGenerates fixed-point code from a fixed-point filter, including fixed-point LabVIEW field-programmable gate array (FPGA) code, integer LabVIEW code, and C code. You must manually select the polymorphic instance you want to use.
DFD FXP Coef ReportGenerates a text report about the coefficients of a fixed-point filter.
DFD FXP Get QuantizerRetrieves quantizer settings from a fixed-point filter. You must manually select the polymorphic instance you want to use.
DFD FXP ModelingCreates a fixed-point filter model according to the settings of the input word length, input integer word length, and output word length.
DFD FXP PostprocessingConverts the output signal of a fixed-point filter from a fixed-point integer representation to a floating-point representation. You must manually select the polymorphic instance you want to use.
DFD FXP Quantize CoefQuantizes the coefficients of a floating-point filter and generates a fixed-point filter. You must manually select the polymorphic instance you want to use.
DFD FXP Set QuantizerSets a quantizer or quantizers in a fixed-point filter. You must manually select the polymorphic instance you want to use.
DFD FXP SimulationSimulates the filtering process continuously and generates a filtering statistics report for a fixed-point filter. This VI supports the following data types: FXP, DBL, I32, and I16.
DFD FXP Simulation ReportCreates a text report of filtering statistics from the DFD FXP Simulation VI or the DFD FXP Simulation with State VI.
DFD FXP Simulation with StateSimulates the filtering process with initial internal states and generates the filtering statistics report for a fixed-point filter. This VI supports the following data types: FXP, DBL, I32, and I16.

 

Your Feedback! poor Poor  |  Excellent excellent   Yes No
 Document Quality? 
 Answered Your Question? 
Add Comments 1 2 3 4 5 submit