Results 11 to 20 of about 707,332 (306)
A study of microwave over-sea propagation with high-potential x-band doppler radar [PDF]
Радиофизика и электроника, 2021 Subject and Purpose. The paper is devoted to the microwave propagation over the sea in the nearshore region. Emphasis is on microwave attenuation measurements in the semi-shade and deep-shade areas with a view to study conditions of the microwave ...
V.M. Gorobets’ +2 more
doaj +1 more source
Atmospheric Science Letters, Volume 24, Issue 1, January 2023., 2023 We report on a meeting on progress and challenges in convection‐permitting data assimilation. Novel developments include the assimilation of novel observations such as cloud‐affected satellite radiances, ground‐based profiling networks and aircraft data, as well as methodological advancements in error covariance modelling, and progress in operational ...
Guannan Hu +7 more
wiley +1 more source
Three‐dimensional Doppler‐associated radar imaging method based on bi‐directional data processing
IET Radar, Sonar & Navigation, 2022 Using a microwave or millimetre wave radar system, this study aims to achieve highly accurate Doppler velocity estimation and radar imaging that would be suitable for various remote‐sensing sensors, such as self‐driving, surveillance, or security ...
Takumi Hayashi +2 more
doaj +1 more source
RADDet: Range-Azimuth-Doppler based Radar Object Detection for Dynamic Road Users [PDF]
Canadian Conference on Computer and Robot Vision, 2021 Object detection using automotive radars has not been explored with deep learning models in comparison to the camera based approaches. This can be attributed to the lack of public radar datasets.
Ao Zhang, F. Nowruzi, R. Laganière
semanticscholar +1 more source
Whole system radar modelling: Simulation and validation
IET Radar, Sonar & Navigation, 2023 The ever‐expanding horizon of radar applications demands solutions with high‐end radar functionalities and technologies and is often limited by the available radar equipment, cost and time.
Jithin Kannanthara +9 more
doaj +1 more source
The Doppler Characteristics of Sea Echoes Acquired by Motion Radar
Remote Sensing, 2023 The Doppler characteristics of sea surface echoes reflect the time-varying characteristics of the sea surface and can be used to retrieve ocean dynamic parameters and detect targets.
Pengbo Du +6 more
doaj +1 more source
Weighted SPICE Algorithms for Range-Doppler Imaging Using One-Bit Automotive Radar [PDF]
IEEE Journal on Selected Topics in Signal Processing, 2021 We consider the problem of range-Doppler imaging using one-bit automotive LFMCW1 or PMCW radar that utilizes one-bit ADC sampling with time-varying thresholds at the receiver.
Xiaolei Shang, Jian Li, P. Stoica
semanticscholar +1 more source
IET radar, sonar & navigation, 2020 In the past few years, the commercial use of drones has exploded, since they are a safe and cost-effective solution for many kinds of problems. However, this fact also opens the door for malicious use. This work presents a novel system able to detect and
Ignacio Roldan +8 more
semanticscholar +1 more source
Airborne Radar Staggered PRF Coherent Processing Method for Down-Looking Target Detection
Remote Sensing, 2023 Airborne radar plays a crucial role in detecting aerial targets, but its detection capability can be significantly affected by strong ground clutter when operating in down-looking mode.
Xiping Sun +4 more
doaj +1 more source
Applied Sciences, 2020 The feasibility study of a 24 GHz industrial, scientific, and medical (ISM) band Doppler radar antenna in electromagnetic aspects is numerically performed for near-field sensing of human respiration.
Seungyong Park +4 more
doaj +1 more source