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Overview

My name is Henrik Forstén and I'm a Finnish electrical engineer working as a researcher at VTT. Lately I have focused on mm-wave MIMO radars. I do MMIC design, antenna design, analog and digital PCB design, FPGA programming and PC programming.

News

Blog 9 months ago
Online 2D transmission line field solver
2D field solver that can calculate transmission line loss, characteristic impedance, and more, working in your browser
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News Henrik 9 months ago
Radar Backprojection Image Formation
Synthetic aperture radar backprojection image formation simulator working in your browser
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Blog 9 months ago
Online radar image formation simulator
Synthetic aperture radar backprojection image formation simulator working in your browser.
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Blog 1 year ago
Synthetic aperture radar autofocus and calibration
3D trajectory position error estimation autofocus, antenna pattern normalization, and polarimetric calibration for drone mounted SAR radar.
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Blog 1 year ago
Designing a low-cost high-performance 10 MHz - 15 GHz vector network analyzer
Designing a cheap two-port vector network analyzer with good measurement accuracy.
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Blog 1 year ago
Homemade polarimetric synthetic aperture radar drone
Designing a cheap synthetic aperture radar mounted on FPV drone.
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Blog 2 years ago
Fixing incorrectly wired SD card connector with interposer PCB
Soldering a PCB directly on top of another to fix incorrectly wired SD card connector.
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Blog 2 years ago
Homemade 6 GHz pulse compression radar
Designing a modern pulse compression radar that uses digital signal processing.
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Blog 3 years ago
Identifying Stable Diffusion XL 1.0 images from VAE artifacts
The new SDXL 1.0 text-to-image generation model was recently released that generates small artifacts in the image when the earlier 0.9 release didn't have them.
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Blog 3 years ago
Radar phase measurements
Very small movement can be measured with radar by looking at the phase change of the received signal.
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