Ajaya Dahal |  Sabyasachi Biswas... -  《2024 IEEE Radar Conference: IEEE Radar Conference (RadarConf24), 6-10 May 2024, Denver, CO, USA》 -  IEEE Radar Conference - 2024, - 1～6 - 共6页

摘要：The use of radio-frequency (RF) sensors in systems centered around humans, such as human-computer interfaces or smart environments, is an emerging field that aims to recognize human motion in real-tim...

关键词： Radio frequency |  Radar |  Transceivers |  Sensor systems |  Real-time systems |  Human activity recognition |  Millimeter wave communication

Ajaya Dahal |  Sabyasachi Biswas... -  《Big Data VI: Learning, Analytics, and Applications: At SPIE Defense + Commercial Sensing.21-23 April 2024.National Harbor, Maryland, United States》 -  Big Data: Learning, Analytics, and Applications (conference) - 2024, - 130360J.1～130360J.8 - 共8页

摘要：Researchers are exploring how radio frequency (RF) sensors can be used to create new interfaces and smart environments that respond to human movement. This technology has the potential to be used in t...

关键词： Wi-Fi |  CSI |  HAR |  Radar |  Channel State Information |  Human Activity Recognition |  Raspberry Pi 3B+ |  Nexmon

Bruce Hicks |  Sabyasachi Biswas... -  《NAECON 2024 - IEEE National Aerospace and Electronics Conference》 -  Annual IEEE National Aerospace and Electronics Conference - 2024, - 168～172 - 共5页

摘要：Radar-based technologies have become ubiquitous in recent years, playing vital roles in many civilian and military applications, ranging from navigation to electronic warfare. With the widespread adop...

关键词： Radio frequency |  Deep learning |  Military communication |  Time-frequency analysis |  Accuracy |  Navigation |  Radar

Walaa Alqwider |  Ajaya Dahal... -  《2022 18th International Conference on Distributed Computing in Sensor Systems: DCOSS 2022, Los Angeles, California, USA, 30 May - 1 June 2022》 -  International Conference on Distributed Computing in Sensor Systems - 2022, - 430～433 - 共4页

摘要：The main resource for providing wireless services is radio frequency (RF) spectrum. In order to explore new uses of spectrum shared among radio systems and services, field data needs to be collected. ...

关键词： Wireless communication |  Wireless sensor networks |  5G mobile communication |  Hardware |  Software |  Sensor systems |  Sensors

Fahmida Islam |  Jason Farmer... -  《Signal Processing, Sensor/Information Fusion, and Target Recognition XXXI: At SPIE Defense + Commercial Sensing.3-7 April 2022, Orlando, Florida, United States and 6-12 June 2022, Online》 -  Signal Processing, Sensor/Information Fusion, and Target Recognition (conference) - 2022, - 121220Y-1～121220Y-9 - 共9页

摘要：Mobile devices have distinct RF fingerprints, which are reflected by changes in the frequency of transmitted signals. The Short-Time Fourier Transform (STFT) is a suitable technique for evaluating thi...

关键词： Fourier transforms |  Neural networks |  Signal attenuation |  Cell phones |  Data conversion |  Data processing |  Neurons

Timothy Foster |  Ajaya Dahal... -  《Autonomous Systems: Sensors, Processing, and Security for Vehicles and Infrastructure 2021: Conference on Autonomous Systems: Sensors, Processing, and Security for Vehicles and Infrastructure, 12–16 April 2021, Online Only, United States》 -  Conference on Autonomous Systems: Sensors, Processing, and Security for Vehicles and Infrastructure - 2021, - 1174804.1～1174804.12 - 共12页

摘要：This paper explores a multimodal deep learning network based on SqueezeSeg. We extend the standard SqueezeSeg architecture to enable camera and lidar fusion. The sensor processing method is termed pix...

关键词： object detection |  SqueezeSeg |  lidar |  camera |  sensor fusion |  computer vision |  deep learning |  machine learning

NSTL主题词： Object detection |  FUSION

Surya Kodipaka |  Ajaya Dahal... -  《Signal Processing, Sensor/Information Fusion, and Target Recognition XXX: At SPIE Defense + Commercial Sensing.Online Only, United States.12-16 April 2021》 -  Signal Processing, Sensor/Information Fusion, and Target Recognition (conference) - 2021, - 1175615-1～1175615-12 - 共12页

摘要：We consider the problem of accurately detecting signals from contraband WiFi devices. Source locations may be selected in a worst-case fashion from within an indoor structure, such as a correctional f...

关键词： Signal detection |  Sensors |  Optimization (mathematics) |  Sensor performance |  Signal to noise ratio

Nicolas Smith |  Logan Smith... -  《Signal Processing, Sensor/Information Fusion, and Target Recognition XXX: At SPIE Defense + Commercial Sensing.Online Only, United States.12-16 April 2021》 -  Signal Processing, Sensor/Information Fusion, and Target Recognition (conference) - 2021, - 1175612-1～1175612-9 - 共9页

摘要：Many correctional facilities suffer from the smuggling of cell phones and other wireless devices into prison walls. In order to locate these devices for confiscation, we must be able to map intercepte...

关键词： Mobile devices |  Cell phones |  Machine learning |  Received signal strength |  Transmitters

NSTL主题词： Mobile devices |  Prisons |  Fingerprinting

Logan Smith |  Nicholas Smith... -  《Signal Processing, Sensor/Information Fusion, and Target Recognition XXX: At SPIE Defense + Commercial Sensing.Online Only, United States.12-16 April 2021》 -  Signal Processing, Sensor/Information Fusion, and Target Recognition (conference) - 2021, - 117560Y-1～117560Y-7 - 共7页

摘要：Wireless devices identify themselves using media access control (MAC) addresses which can be easily intercepted and mimicked by an adversary. Mobile devices also have a unique physical fingerprint rep...

关键词： Fourier transforms |  Mobile devices |  Signal detection |  Signal processing |  Control systems |  Manufacturing

NSTL主题词： STFT |  Fourier Transform |  Mobile |  signals