Risto Vehmas

According to our database, Risto Vehmas authored at least 13 papers between 2018 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2024

A Look at Spotlight Extended Dwell - A New Level of Information Content from Small-Satellite SAR.

Risto Vehmas, Ozan Dogan, Vladimir Ignatenko, Andrea Radius, Darren Muff, Pierre Leprovost, Matthew Nottingham, Patrik Vilja, Tino Seilonen, Maria Arbenina, Julio Castillo

Proceedings of the IGARSS 2024, 2024

Informative Content Augmentation of ICEYE Spotlight Extended Dwell Images by Exploiting the Signal Phase.

Andrea Radius, Ozan Dogan, Risto Vehmas, Vladimir Ignatenko, Darren Muff, Pierre Leprovost, Matthew Nottingham, Patrik Vilja, Tino Seilonen, Maria Arbenina, Julio Castillo

Proceedings of the IGARSS 2024, 2024

2022

Investigation of Environmental Effects on Coherence Loss in SAR Interferometry for Snow Water Equivalent Retrieval.

Jorge Jorge Ruiz, Juha Lemmetyinen, Anna Kontu, Riku Tarvainen, Risto Vehmas, Jouni Pulliainen, Jaan Praks

IEEE Trans. Geosci. Remote. Sens., 2022

Range Sidelobe Level Reduction With a Train of Diverse LFM Pulses.

Nadav Neuberger, Risto Vehmas

IEEE Trans. Aerosp. Electron. Syst., 2022

2021

Dimension-Reduced Rx Beamforming Optimized for Simultaneous Detection and Estimation.

Nadav Neuberger, Risto Vehmas, Joachim H. G. Ender

IEEE Trans. Aerosp. Electron. Syst., 2021

A Costas-Based Waveform for Local Range-Doppler Sidelobe Level Reduction.

Nadav Neuberger, Risto Vehmas

IEEE Signal Process. Lett., 2021

Inverse Synthetic Aperture Radar Imaging: A Historical Perspective and State-of-the-Art Survey.

Risto Vehmas, Nadav Neuberger

IEEE Access, 2021

Analysis of Snow Coherence Conservation for SWE Retrieval at L-, S-, C-and X-Bands.

Jorge Jorge Ruiz, Juha Lemmetyinen, Anna Kontu, Riku Tarvainen, Jouni Pulliainen, Risto Vehmas, Jaan Praks

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

On Maximum Likelihood DOA Estimation for Space Surveillance Radar.

Nadav Neuberger, Risto Vehmas

Proceedings of the 29th European Signal Processing Conference, 2021

2020

SodSAR: A Tower-Based 1-10 GHz SAR System for Snow, Soil and Vegetation Studies.

Jorge Jorge Ruiz, Risto Vehmas, Juha Lemmetyinen, Josu Uusitalo, Janne Lahtinen, Kari Lehtinen, Anna Kontu, Kimmo Rautiainen, Riku Tarvainen, Jouni Pulliainen, Jaan Praks

Sensors, 2020

2018

Computational Algorithms for Improved Synthetic Aperture Radar Image Focusing.

Risto Vehmas

PhD thesis, 2018

Data-Driven Motion Compensation Techniques for Noncooperative ISAR Imaging.

Risto Vehmas, Juha Jylhä, Minna Väilä, Juho Vihonen, Ari Visa

IEEE Trans. Aerosp. Electron. Syst., 2018

Season -Length Observations of Active and Passive Microwave Signatures of Snow Cover in a Boreal Forest Environment.

Juha Lemmetyinen, Anna Kontu, Leena Leppänen, Juho Vehvilainen, Risto Vehmas, Qinghuan Li, Kimmo Rautiainen, Jouni Pulliainen

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018