https://www.rfwireless-world.com/source-code/upsample-downsample-labview-vi
Upsample and Downsample LabVIEW VI Source Codes | RF Wireless World
LabVIEW source code examples for upsampling (interpolation) and downsampling (decimation) are provided, including block diagrams and front panels.
vi sourcerf wirelessdownsamplelabviewcodes