<![CDATA[Problem of Spikes in Data ( IMU 300 ZI with GPS)]]>I have connected a gps receiver with IMU300Zi ( vis UART) and output from gps is 1 Hz, Protocol-out is UBX and messages out is only NAV-PVT. I have flased INS app ( VS code) using st-link and have used same configuration for ublox receiver as mentioned at https://navview.blob.core.windows.net/web-resources/Instructions to run INS app on OpenIMU300ZI with GNSS.pdf?_t=1592504841811 .
I get gps data and I can see it on Acienna navigation studio but because INS app's default rate is 50 hz and GPS rate is 1 Hz, I can see a lots of spikes because of this issue ( you can see in the below photo)fdc60763-7d29-4805-9483-40ff1efab73b-image.png

Can someone help me how can I get smoother/filtered data ?
What I want to achieve is a smother curve something similar to marked in red colour below( or filtered values for Latitude, lon and other parameters) 2c2ee983-dc41-4f52-b23d-f65af492953d-image.png

What can it be:
Is it a timing issue between IMU and GPS module ? (I have already connected IMU and GPS by 1PPS pin and I receive a pulse every second on IMU. )

]]>https://forum.aceinna.com//topic/404/problem-of-spikes-in-data-imu-300-zi-with-gpsRSS for NodeSat, 13 Jun 2026 18:37:30 GMTWed, 24 May 2023 15:30:22 GMT60<![CDATA[Reply to Problem of Spikes in Data ( IMU 300 ZI with GPS) on Wed, 24 May 2023 15:30:22 GMT]]>I have connected a gps receiver with IMU300Zi ( vis UART) and output from gps is 1 Hz, Protocol-out is UBX and messages out is only NAV-PVT. I have flased INS app ( VS code) using st-link and have used same configuration for ublox receiver as mentioned at https://navview.blob.core.windows.net/web-resources/Instructions to run INS app on OpenIMU300ZI with GNSS.pdf?_t=1592504841811 .
I get gps data and I can see it on Acienna navigation studio but because INS app's default rate is 50 hz and GPS rate is 1 Hz, I can see a lots of spikes because of this issue ( you can see in the below photo)fdc60763-7d29-4805-9483-40ff1efab73b-image.png

Can someone help me how can I get smoother/filtered data ?
What I want to achieve is a smother curve something similar to marked in red colour below( or filtered values for Latitude, lon and other parameters) 2c2ee983-dc41-4f52-b23d-f65af492953d-image.png

What can it be:
Is it a timing issue between IMU and GPS module ? (I have already connected IMU and GPS by 1PPS pin and I receive a pulse every second on IMU. )

]]>https://forum.aceinna.com//post/1553https://forum.aceinna.com//post/1553Wed, 24 May 2023 15:30:22 GMT