# :FUNCtion:SNDRatio:LFPLength

:FUNCtion SNDR Setup Commands

- :FUNCtion:SNDRatio:FILE:NAME
- :FUNCtion:SNDRatio:FILE:RELoad
- :FUNCtion:SNDRatio:LFPDelay
- :FUNCtion:SNDRatio:LFPLength
- :FUNCtion:SNDRatio:NAVerages
- :FUNCtion:SNDRatio:PUINterval
- :FUNCtion:SNDRatio:RLMStandard
- :FUNCtion:SNDRatio:RNComp
- :FUNCtion:SNDRatio:RNCValue:LEVel
- :FUNCtion:SNDRatio:SAVE
- :FUNCtion:SNDRatio:SAVE:FILE
- :FUNCtion:SNDRatio:STANdard

## Command Syntax

    :FUNCtionN:SNDRatio:LFPLength <number_of_UIs>

<number_of_UIs> is an integer.

Where N identifies one of sixty four {1:64} math functions that you can create. For example, `:FUNCtion2`.

## Query Syntax

    :FUNCtionN:SNDRatio:LFPLength?

## Description

This parameter is used in the filter to compute the linear fit pulse response. It is the length of the pulse fit, expressed as the number of unit intervals (UIs). It is sometimes denoted using Np.

Technology standard test documents typically tell you the value expected to be used for this parameter.