Results 31 to 40 of about 3,505 (206)

Unified Model and Survey on Modulation Schemes for Next-Generation Automotive Radar Systems

Remote Sensing
Commercial automotive radar systems for advanced driver assistance systems (ADASs) have relied on frequency-modulated continuous wave (FMCW) waveforms for years due to their low-cost hardware, simple signal processing, and established academic and ...
Moritz Kahlert, Tai Fei, Yuming Wang, Claas Tebruegge, Markus Gardill   +4 more
doaj   +1 more source

FMCW Interference Waveform Estimation Based on Intentional Local Interference for Automotive Radars [PDF]

Journal of Electromagnetic Engineering and Science
We propose a new method to estimate the waveforms of frequency-modulated continuous-wave (FMCW) interferers by intentional interference. The proposed method utilizes the crossing interference of FMCW radar by adaptive waveform configuration.
Sungpil Cheon, Hyungwoo Kim, Byungkwan Kim   +2 more
doaj   +1 more source

An Improved FS Algorithm for Range Anti-aliasing of FMCW SAR [PDF]

Leida xuebao, 2012
Conventional Frequency Scaling (FS) algorithm is applied to process Frequency Modulated Continuous Wave (FMCW) SAR, which will lead a heavy range frequency aliasing.
Zhang Feng-hui, Wang Yan-fei
doaj   +1 more source

Ionospheric Clutter Model for HF Sky-Wave Path Propagation with an FMCW Source

International Journal of Antennas and Propagation, 2019
A theoretical model of the sky-wave path propagation with frequency modulated continuous wave (FMCW) source for high frequency (HF) radar is proposed in this paper.
Xuguang Yang, Aijun Liu, Changjun Yu, Linwei Wang   +3 more
doaj   +1 more source

Frequency-modulated continuous-wave radar processing fundamentals [PDF]

, 2019
In this thesis, we will discuss the techniques for determining distances, velocities, and angular position of targets using a frequency-modulated continuous-wave (FMCW) radar.
Busche, Kirk
core   +1 more source

Low SNR FMCW signal processing with prior information

工程科学学报, 2015
A solid surface frequency modulated continuous wave (FMCW) radar signal model was built to solve the range ambiguity problem of wideband and low signal-to-noise ratio (SNR) FMCW signal under severe measurement conditions.
HOU Qing-wen, XU Zhi-wei, LU Yi-fang
doaj   +1 more source

Frequency-modulated continuous-wave laser distance measurement system using Fabry- Perot cavity as measuring reference

, 2019
Frequency-modulated continuous-wave (FMCW) is a ranging technique that allows for high precision distance measurement over long distances. Scanning nonlinearity and range of the tunable laser are the main factors affecting the measurement accuracy ...
Guang Shi (5048222), Kefei Hei (17503701), Nandini Bhattacharya (3987677), Wen Wang (6570)   +3 more
core   +1 more source

Hybrid integrated low noise linearly chirped Frequency Modulated Continuous Wave laser source based on self-injection to external cavity

, 2021
A low noise linearly frequency modulated continuous wave laser source with a wide frequency bandwidth is demonstrated. By two-dimensional thermal tuning, the laser source shows 42 GHz continuous frequency tuning with 49.86 Hz intrinsic linewidth under ...
Sigang Yang (10682145), Minghua Chen (1708423), Liwei Tang (11843960), Shuai Shao (1415941), Hongwei Chen (229727), Hongxiang Jia (13025769)   +5 more
core   +1 more source

Millimeter-Wave OFDM-FMCW Radar-Communication Integration System Design

Remote Sensing
Frequency-modulated continuous wave (FMCW) and orthogonal frequency-division multiplexing (OFDM) technologies play significant roles in millimeter-wave radar and communication. Their combinations, however, are understudied in the literature.
Jiangtao Liu, Wenyuan Feng, Tao Su, Jianzhong Chen, Shaohong Xue   +4 more
doaj   +1 more source

FMCW Laser Fuze Multiple Scattering Model and Accurate Fixed-Distance Algorithm in a Smoke Environment

Sensors, 2020
In a smoke environment, suspended particles can scatter and absorb laser photons, making target echo signals extremely weak and difficult to extract and identify, which causes obvious difficulty in fixed-distance of laser fuze.
Chengtian Song, Ying Cui, Bohu Liu
doaj   +1 more source