Target Localization Using MIMO-Monopulse: Application on 79 GHz FMCW Automotive Radar

A novel target azimuth estimation algorithm called ”MIMO-Monopulse” is proposed by combining monopulse approach with multiple-input multiple-output (MIMO) radar. Chebyshev and Zolotarev weighting are applied to synthesis sum and difference pattern of MIMO-monopulse. A new visualization method for monopulse ratio is discussed. Finally, the...

Target localization using MIMO-monopulse: Application on 79 GHz FMCW automotive radar

Automotive radar is widely used for driving safety support and it is a key element of future autonomous vehicles. Radar sensors have the property that the performance is not to be affected by low vision conditions compared with camera sensors or laser based radar sensors, which makes it crucial for the autonomous driving system.<br/><br/...

Radar to radar interference for 77GHz automotive radar

Automotive radar is a key element in Advanced Driver Assistance Systems (ADAS). With the growth of Automotive industry, there is a high demand for the sensors used in assisting systems. As the number of sensors increases, probability that these systems being in close proximity will also increase. This will lead to situations where in multiple...

General Aviation Radar System for Navigation and Attitude Determination: Deriving aircraft states using multiple on board FMCW radars

General Aviation aircraft mostly fly with Visual Flight Rules (VFR). These are rules in aviation that permit the pilot to fly on sight if the weather conditions offer enough visibility for the pilot to perform the following tasks visually: collision avoidance with terrain or other airborne object, navigation and attitude determination. VFR...

FMCW radar algoritme ontwikkeling

Dit document beschrijft de ontwikkeling van een detectie en classificatie algoritme voor een sensormodule. Deze sensormodule maakt gebruik van een radarmodule en een video camera. Dit project is uitgevoerd ten behoeve van het Bachelor afstudeerproject Electrical Engineering aan de TU Delft. Deze sensormodule had als doel het detecteren en...

Aansturing van FMCW radar voor de detectie en classificatie van mensen

In dit verslag gaan wij in op de aansturing van radar-hardware voor de detectie van mensen. Hierbij zullen de gebruikte radarmodules besproken worden, alsmede de functiegenerator die hiervoor gebruikt is en het ontwerp van de behuizing. De radarhardware maakt deel uit van een groter systeem, waarbij het de bedoeling is om mensen door middel van...

Signaalverwerking van een radar-systeem voor spoorbewaking

Spoorwandelaars zijn een groot maatschappelijk probleem, zo zijn er elk jaar 200 zelfdodingen [1]. Door spoorwandelaars lopen treinreizigers elke dag veel vertraging op en daarnaast zorgen spoorwandelaars voor veel directe en indirecte kostenposten. Een goede oplossing is er op dit moment niet. Een radar-systeem lijkt een mogelijke oplossing....

A 56.4-to-63.4 GHz Multi-Rate All-Digital Fractional-N PLL for FMCW Radar Applications in 65 nm CMOS

A mm-wave digital transmitter based on a 60 GHz all-digital phase-locked loop (ADPLL) with wideband frequency modulation (FM) for FMCW radar applications is proposed. The fractional-N ADPLL employs a high-resolution 60 GHz digitally controlled oscillator (DCO) and is capable of multi-rate two-point FM. It achieves a measured rms jitter of 590.2...

Millimeter-Wave Digitally-Assisted Frequency Synthesizer in CMOS

Antenna Array Signal Processing for Multistatic Radar Systems

The introductions of Digital Beam Forming (DBF), original signal exploitation and waveform multiplexing techniques have led to the design of novel radar concepts. Passive Coherent Locator (PCL) and Multiple-Input Multiple-Output (MIMO) sensors are two examples of innovative approaches. Beside the inherent benefits of this class of sensors,...

Space-Based FMCW SAR Systems

Monitoring critical structures such as oil pipe lines or dikes is essential for performing in-time and high-quality maintenance. Such structures cover a large area or are in abandoned places. Consequently, performing physical inspections by dedicated personnel is either impossible or very expensive. Alternatively such structures can be inspected...

UWB FMCW Radar for Concealed Weapon Detection: RF front-end development

Current methods for concealed weapon detection are mainly used at stationary security check-points due to complexity and other serious limitations for real-time outdoor scenarios. A mobile imaging radar is considered as a proper solution for fast screening of people at mass events because of its ability to detect both metal and non-metal weapons...

Noise Analysis of an Ultra Wide Band FMCW Ranging Receiver

This thesis, analyses the performance of an Ultra Wide Band (UWB) Frequency Modulated Continuous Wave (FMCW) ranging system in the presence of additive white Gaussian noise (AWGN). The distortion of the UWB FMCW signal’s phase, due to noise, deteriorates its frequency spectrum components. This corrupts the multipath delay information and...

Interleaved Array Antennas for FMCW Radar Applications

An effective and robust strategy for concurrently designing the transmit and receive antennas of a frequency-modulated, continuos-wave radar is discussed. The aperture architecture is based on the use of non-periodic, interleaved sub-arrays. Deterministic element placement is employed for ensuring design efficiency. The procedure yields...

Signal processing of FMCW Synthetic Aperture Radar data

In the field of airborne earth observation there is special attention to compact, cost effective, high resolution imaging sensors. Such sensors are foreseen to play an important role in small-scale remote sensing applications, such as the monitoring of dikes, watercourses, or highways. Furthermore, such sensors are of military interest;...

Development of an Airborne Ka-band FMCW Synthetic Aperture Radar

In the field of airborne earth observation there is a special interest in lightweight, low cost imaging radars of high resolution. Such radar systems could play an essential role in small-scale earth observation applications such as the monitoring of dikes, watercourses or areas in which gas pipes or electrical power lines are buried. In order...