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Showing 1 to 20 of 22 for “"Fmcw Radar"”.
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An ultra high resolution FMCW radar
… measurements in industry. A short-range radar system can be used to make these measurements. A standard requirement for these type of applications is high resolution. This is a standard problem in radar. Using classical signal processing techniques, the range resolution is proportional to …
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Extending the range of low SWaP-C FMCW radar
… a method to adapt low-cost, automotive-grade radar chipsets for long-range sensing. These disruptive chipsets offer impressive performance at low size, weight, power, and cost (SWaP-C) that could benefit applications with tight SWaP-C budgets such as urban air mobility and urban air logistics. …
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Micro-doppler classification of humans and animals using FMCW radar
… by a Frequency-Modulated Continuous Wave (FMCW) radar. Raw Analogue to Digital Converter (ADC) data was collected of human and animal species including dogs, horses and cows. Signal processing techniques such as creating range-Doppler and Constant False Alarm Rate (CFAR) maps for detection …
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Platform and Pipeline Development for a FMCW Radar System for Vital Sign Detection
Frequency Modulated Continuous Wave (FMCW) Radar has become a frequently examined technology for the purposes of ubiquitous vital sign monitoring applications. Vital sign monitoring of heart rate and respiration rate is important because it gives key physiological insights into the health of …
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The Development of an Independent Frequency Modulated Continuous Wave Radar for Perimeter Security
… of Frequency Modulated Continuous Wave (FMCW) radars has provided several diverse industries with a microwave sensor that can be utilized reliably for many different applications. The research specified in this thesis focuses primarily on the perimeter security industry with the …
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Reflectarray Antenna based FMCW Radar System Development: High Isolation Radar Antenna Design and Feasibility of Affordable Switched-Beam for the UAV Detection
… anti-drone applications. It is clear that radar is one of the most promising anti-drone detectors, as they are not significantly dependent on weather or light conditions. The cost of current anti-drone radars is extremelyhigh, thus there is a need for cost-effective radars that protect …
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Frequency Modulated Continuous Wave Radar Based Fall Risk Monitoring System
… using a frequency-modulated continuous-wave (FMCW) radar system, addressing the need for frequent, low-cost, longterm balance monitoring solutions. This technology is compared with ground-truth contactbased lab sensors like force plates and motion capture systems, establishing a foundation for …
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Implementation of Range Autofocus for SAR Radar Imaging
<p>The range calculation for an FMCW radar depends on accurate linear modulation. In some circumstances, linear modulation may not be available and must be corrected for. This paper describes an autofocus technique used to correct for phase error due to non-linearities in the components of a FMCW …
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Frequency-modulated continuous-wave radar processing fundamentals
… using a frequency-modulated continuous-wave (FMCW) radar. FMCW radars have applications such as collision detection and assisted cruise control in modern vehicles, due to their ability to be manufactured as low-power, single-chip systems. We will discuss the use of a two-dimensional fast …
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Electrode length measurement in electric arc furnaces
… frequency modulated continuous wave (FMCW) radar presented the most feasible technique. In this system, microwaves are propagated down a waveguide placed in the electrode. As the waveguide melts, they continue propagating in the resulting cavity until they are reflected by the …
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High Angular Resolution Beam Steering Terahertz Antenna Arrays for Imaging Applications
… for many applications, including imaging, radar, communications and other sensing applications due to bandwidth availability, penetration of dielectric materials, and short wavelength, enabling smaller structures. There is particular application in automotive radar imaging, where a narrow …
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Kiosks for Non-Contact Vital Sign Detection
… with an infrared thermal imaging camera, FMCW radar sensors, motion and height detection, and ambient climate sensors. The kiosk collects body temperature data and radar-based chest displacement data for offline processing. The algorithms described here show good performance in measuring …
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The development of an ore pass level indicator
… propagation was the same mode as free-space. A FMCW radar system was designed for this specific application but had the advantage that testing could take place in freespace. Two prototype systems were constructed and tested down the ore pass which proved the instrument concept satisfactorily. …
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User Leaving Detection Via MMwave Imaging
… in dynamic environments. mmLock uses a mmWave FMCW radar to capture the user’s 3D mesh and detects the leaving gesture from the 3D human mesh data with a hybrid PointNet-LSTM model. Based on explainable user point clouds, mmLock is more robust than existing gesture recognition systems which can …
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One millimeter for man, one meter for mankind: establishing millimeter wave radar as a ubiquitous sensor in consumer applications
… frequency-modulated continuous-wave (FMCW) radars are not used to their fullest potential. Classical, hand-designed target detection algorithms are applied in the signal processing chain and the rich contextual information is discarded. This early discarding of information limits what …
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Path Following using Frequency Modulated Continuous Wave millimetre-wave Automotive Radar
… to only use Frequency Modulated Continuous Wave (FMCW) radar. Radar has shown to be semi-invariant to inclement weather such as snow, fog, extremely lighting conditions, and heavy rain. Traditionally, autonomous vehicle (AV) path planning algorithms use multiple introceptive and exteroceptive …
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Design and implementation of a low-cost FMCW imaging radar
Imaging radar systems have been predominantly developed using a coherent pulse radar approach, which is typically associated with expensive and complex hardware that usually requires a large amount of space. Hence, the use of such sensors is reserved to large organizations that can afford to …
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Development and Optimization of Airborne FMCW Radars for High-Resolution Snow Depth Measurements
… irrigated acres of land. An ultra-wideband (UWB) radar enabling snowpack information production in near-real-time would greatly aid in planning and effectively distributing this precious resource.The primary objective of this research is to design, develop, and optimize UWB FMCW …
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Investigation of ground moving target indication techniques for a multi-channel synthetic aperture radar
Synthetic Aperture Radar (SAR) is an imaging technique that creates two dimensional images of the scattering objects in the illuminated ground scene. The objects in the illuminated ground scene may be truly stationary, e.g. buildings etc. or in motion relative to these stationary objects, e.g. cars …
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Design of low-power K-band circuits in CMOS technology
… Technik und genügen den Anforderungen von 24-GHz-FMCW-Radar-Systemen. Der zweite Frequenzteiler, ein sog. Static-Divider, wurde in einer 90-nm-Technologie für eine Frequenz von 45 GHz realisiert. Neuartige Techniken wie Inductive Peaking, Split Resistors und die asymmetrische Auslegung der …
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