A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Filters
Passive GNSS-Based SAR Resolution Improvement Using Joint Galileo E5 Signals
2015
IEEE Geoscience and Remote Sensing Letters
Preserved Fulltext
CONCLUSION This letter has put forward a resolution improvement proposal for passive Galileo-based SAR. ...
This letter investigates the feasibility of improving range resolution in GNSS-based SAR using the Galileo satellites, which may also tackle limitations in BSAR resolution in other research studies [18 ...
doi:10.1109/lgrs.2015.2417594
fatcat:mqjtfvkednhqpk3kgtusnbofoe
Passive GNSS-based SAR imaging and opportunities using Galileo E5 signals
2015
Science China Information Sciences
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
This paper investigates the feasibility of Galileo navigation satellites as transmitters of opportunity in passive bistatic synthetic aperture radar (SAR) systems from the perspectives of signal processing ...
Experimental images obtained using a single Galileo channel, E5a or E5b, are presented and analyzed. ...
In this paper, the focus is on GNSS-based passive SAR. ...
doi:10.1007/s11432-015-5335-5
fatcat:urcr3yozfrbbbidcocpogl34vy
A Novel Range Compression Algorithm for Resolution Enhancement in GNSS-SARs
2017
Sensors
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
In this paper, a novel range compression algorithm for enhancing range resolutions of a passive Global Navigation Satellite System-based Synthetic Aperture Radar (GNSS-SAR) is proposed. ...
Both theoretical analysis and simulation results have demonstrated that significant range resolution improvement in GNSS-SAR images can be achieved by the proposed range compression algorithm, compared ...
For instance, in joint Galileo E5 signal receiver-based GNSS-SARs (where the original range resolution is 3 m [14, 15] ), the range resolution can be potentially obtained at a level less than 1 m using ...
doi:10.3390/s17071496
pmid:28672830
pmcid:PMC5539786
fatcat:47kzuiuwcrd7ppk6w47z5a77qu
An Improved Pre-processing Algorithm For Resolution Optimization In Galileo Based Bistatic SAR
2019
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Galileo based bistatic synthetic aperture radar (Galileo-BiSAR) is a subclass of passive radar, where the Galileo satellite is used as the transmitter and the receiver can be mounted on a moving vehicle ...
Aimed at improving range resolution, this article proposes a new pre-processing algorithm for Galileo-BiSAR. ...
However, using only Galileo satellite single band signal E5a or E5b, the corresponding bandwidth is 20MHz and range resolution is 15m [25] . ...
doi:10.1109/access.2019.2938238
fatcat:64s4qzew3rfi3ahl6mjbac377e
An Image Formation Algorithm for Bistatic SAR using GNSS Signal with Improved Range Resolution
2020
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Passive synthetic aperture radar (SAR) using Global Navigation Satellite System (GNSS) signals as the illuminators of opportunity has a relative coarse range resolution due to the narrow bandwidth of the ...
Compared with the traditional GNSS-based passive SAR imaging algorithm, the results of the proposed method show that the imaging performance can be improved for better range resolution and lower side-lobes ...
OVERVIEW OF GNSS-BASED PASSIVE SAR GNSS-based passive SAR utilizes GNSS satellites as the transmitters of opportunity, including GPS, GALILEO, GLONASS and BeiDou. ...
doi:10.1109/access.2020.2990622
fatcat:v4g6tlgfrvdz5j2hnndtbgeyfa
Decimetre Level Range Resolution for Beidou B3I Signal Based Passive SAR Imaging – Proof-of-Concept Experimental Demonstrations
2021
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
This reveals that decimetre level range resolution can be achieved for Beidou B3I-SAR on the basis of proposed methods, in contrast to the current best result of meters level in passive GNSS-based SAR ...
Accordingly, studies of passive Beidou B3I signal-based synthetic aperture radar (Beidou B3I-SAR) are very meaningful in terms of promoting the rapid development of the Beidou technique. ...
To improve range resolution, in 2015, the researchers [20] utilized full bandwidth Galileo E5 signal (i.e. joint Galileo E5a/b) to obtain the range resolution to 3 m level. ...
doi:10.1109/access.2021.3056666
fatcat:tnhy4qadpfd3bglyobzsmo3esy
Spatial Resolution Improvement in GNSS-Based SAR Using Multistatic Acquisitions and Feature Extraction
2016
IEEE Transactions on Geoscience and Remote Sensing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Index Terms-passive SAR, GNSS-based SAR, bistatic SAR, multistatic SAR, feature extraction, CLEAN I. ...
CONCLUSIONS This paper addresses a passive multistatic SAR system based on GNSS transmission. ...
doi:10.1109/tgrs.2016.2583784
fatcat:bkt4adqgdfaabbqwdli2yunaau
D3.6 Gap analysis highlighting the technical and operational requirements of the European Polar Research Programme for satellite applications
2018
Zenodo
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
The task objective is to consider joint programming of infrastructure to enable bigger and more complex science projects. ...
This report follows directly from deliverable D3.3 which described the existing uses of space assets by European polar operators. ...
The Galileo constellation is a key enabler of the required E1/E5 dual frequency. ...
doi:10.5281/zenodo.5121461
fatcat:a2o2eb2vgva6hojiwrhvwjjf2u
The IEEE-SA Working Group on Spaceborne GNSS-R: Scene Study
2021
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
CONVENTIONAL GNSS-R Conventional GNSS-R (cGNSS-R) (Fig. 4) [5, [14] [15] [16] [17] correlates coherently during Tc (typically 1 ms for GPS L1 C/A, L5 and Galileo E5; and 4 ms for Galileo E1 OS) the ...
A1 Parameters of the most common GNSS signals used in GNSS-R: GPS L1 C/A, GPS L2 P(Y), GPS L2 C, Galileo E1 OS, GLONASS C/A L1 and L2, GLONASS L2 P, and BeiDou B3I. ...
doi:10.1109/access.2021.3089762
fatcat:4dx5adyg2fe7dnxeet62zjlcdi
GNSS IMAGING: A CASE STUDY OF TREE DETECTION BASED ON BEIDOU GEO SATELLITES
2018
Progress In Electromagnetics Research C
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Third, the entire signal processing, which uses a multi-correlator, is designed to improve the range resolution. ...
Instead of using common Inclined Geosynchronous Orbit (IGSO)/Medium Earth Orbit (MEO) satellites in motion, a new global navigation satellite system (GNSS) imaging system based on Beidou geo synchronous ...
They also studied the feasibility of improving range resolution by joint Galileo E5 signals [8] , multistatic acquisitions and feature extraction [9] [10] [11] . ...
doi:10.2528/pierc18032504
fatcat:4mexkwz6mzcddkjrmxbor6qfr4
GEROS-ISS: GNSS REflectometry, Radio Occultation, and Scatterometry Onboard the International Space Station
2016
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
These geophysical parameters are derived using reflected GNSS signals (GNSS reflectometry, GNSS-R). ...
Secondary mission goals include atmosphere/ionosphere sounding using refracted GNSS signals (radio occultation, GNSS-RO) and remote sensing of land surfaces using GNSS-R. ...
Complementing the Earth observations from other current satellite missions, GEROS will especially pioneer the exploitation of GNSS remote sensing signals from the European Galileo system, thereby improving ...
doi:10.1109/jstars.2016.2614428
fatcat:7zfmpvdb2fhu3aj5wfcvwwghza
Principles of GNSS, inertial, and multisensor integrated navigation systems, 2nd edition [Book review]
2015
IEEE Aerospace and Electronic Systems Magazine
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
More complex subcarrier functions may also be used, such as the alternate BOC used for the Galileo E5 signal (see Section 6.4.2). ...
Signals Galileo broadcasts 10 different navigation signals across three frequency bands: E5, E6, and E1-L1-E2 [8, 39] . The E5 band is 92.07 MHz (90 × 1.023 MHz) wide and centered at 1,191.795 MHz. ...
GNSS C /N 0 measurement, and inertial navigation. ...
doi:10.1109/maes.2014.14110
fatcat:iwowfiidazbljiamuiyjv6363u
GNSS Integrity Monitoring assisted by Signal Processing techniques in Harsh Environments
2017
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Figure taken
from [9].
1.3 GNSS Signals
17
• E5 (composite) signal. The E5a and E5b signals are modulated onto a single E5 carrier using a technique known as Alternative BOC (AltBOC). ...
The E5a and E5b signals are part of the E5 signal in its full bandwidth. The Galileo system use a Code Division Multiple Access (CDMA) technique, as in case of GPS. ...
based algorithms (velocities and clock drift) so that x k = [u k ,u k ] T . The interested reader can refer to [3, 106, 112] for more details. ...
doi:10.6092/polito/porto/2675456
fatcat:4gj6y5kzszd5hpyn5bqj7cj33i
Simplified modelling of printed circuit boards for spacecraft applications
2009
Acta Astronautica
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Hongli Zhao, Beijing, China IAC-06-B3.2.09 A software based algorithm for demodulating BPSK telemetry signal Dr. ...
Emilio Chuvieco, University of Alcalá de Henares, Alcalá de Henares, Spain Feasibility Study of Tsunami Detection using GNSS Reflections Dr. ...
doi:10.1016/j.actaastro.2009.01.037
fatcat:c3tgigxl3nanlhbaxvbng2zwyq