Applications

APN-1017: Determining Signal Delay between Analog Data Channels and WFT

APN-1017: Determining Signal Delay between Analog Data Channels and WFT

SUMMARY
This applications note addresses the delay between digital data acquired from a Titan Digital Pod and analog data, and the means to determine corrective factors.

DEFINITION
The signal input to a Titan Digital Pod (internal or external versions) will be slightly delayed with respect to the analog input. This delay is the result of differences in processing time and filtering between the Digital and Analog sections. This delay will be consistent with the same test configuration and thus can be calculated. By determining the delay values in the system, users will then be able to correctly configure the TCS Exporter for the delay value(s). The method described below uses an impulse to measure and determine the delay for a given test configuration that uses Wheel Force Transducers (WFT’s).

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