scholarly journals Phase synchronization scheme for a practical phase sensitive amplifier of ASK-NRZ signals

2011 ◽  
Vol 19 (13) ◽  
pp. 12384 ◽  
Author(s):  
Stylianos Sygletos ◽  
Selwan K. Ibrahim ◽  
Ruwan Weerasuriya ◽  
Richard Phelan ◽  
L. Grüner Nielsen ◽  
...  
Keyword(s):  
Phase Synchronization ◽  
Phase Sensitive ◽  
Synchronization Scheme

A block turbo phase synchronization scheme

2006 ◽  
Vol 13 (3) ◽  
pp. 125-128 ◽  
Author(s):  
C. Vanstraceele ◽  
J.P. Barbot ◽  
J.M. Brossier ◽  
B. Geller
Keyword(s):  
Phase Synchronization ◽  
Synchronization Scheme

scholarly journals The Synchronization Transceiver Design and Experimental Verification for the LuTan-1 SAR Satellite

Sensors ◽  
2020 ◽  
Vol 20 (5) ◽  
pp. 1463
Author(s):  
Yuanbo Jiao ◽  
Da Liang ◽  
Kaiyu Liu ◽  
Yafeng Chen ◽  
Huaizu Wang ◽  
...  
Keyword(s):  
Phase Synchronization ◽  
Echo Signal ◽  
Detailed Design ◽  
Residual Phase ◽  
Unit Design ◽  
Working Principle ◽  
Synchronization Scheme ◽  
Synchronization Accuracy ◽  
Switch Module ◽  
Synchronization Unit

The deviation between the two oscillators in BiSAR systems will cause a residual modulation of echo signal. Therefore, the phase synchronization is an important issue that must be addressed for BiSAR systems. An advanced non-interrupted phase synchronization scheme is used for the LuTan-1 SAR satellite. The synchronization transceiver (STR) is designed for transmitting and receiving synchronization signals. In addition, STR mainly consists of master and auxiliary transceivers and switch module. Furthermore, the function and working principle of STR are introduced, and the detailed design of each part is described. The measured results are also evaluated to prove the performance of the STR. In addition, the phase synchronization accuracy is also demonstrated to verify the effectiveness of the non-interrupted synchronization scheme. The standard deviation (STD) of the residual phase is less than 0.3 degrees. The results have guiding significance for the synchronization unit design of LuTan-1 and the future BiSAR system.

First Demonstration of Multipath Effects on Phase Synchronization Scheme for LT-1

2020 ◽  
Vol 58 (4) ◽  
pp. 2590-2604
Author(s):  
Yanyan Zhang ◽  
Heng Zhang ◽  
Naiming Ou ◽  
Kaiyu Liu ◽  
Da Liang ◽  
...  
Keyword(s):  
Phase Synchronization ◽  
Multipath Effects ◽  
Synchronization Scheme

An Advanced Phase Synchronization Scheme for LT-1

2020 ◽  
Vol 58 (3) ◽  
pp. 1735-1746 ◽  
Author(s):  
Guodong Jin ◽  
Kaiyu Liu ◽  
Dacheng Liu ◽  
Da Liang ◽  
Heng Zhang ◽  
...  
Keyword(s):  
Phase Synchronization ◽  
Advanced Phase ◽  
Synchronization Scheme

scholarly journals An Advanced Phase Synchronization Scheme Based on Coherent Integration and Waveform Diversity for Bistatic SAR

2021 ◽  
Vol 13 (5) ◽  
pp. 981
Author(s):  
Da Liang ◽  
Heng Zhang ◽  
Yonghua Cai ◽  
Kaiyu Liu ◽  
Ke Zhang
Keyword(s):  
Hearing Aids ◽  
Phase Synchronization ◽  
Phase Error ◽  
Radar Signal ◽  
Cocktail Party Problem ◽  
Waveform Diversity ◽  
Coherent Integration ◽  
Advanced Phase ◽  
Synchronization Signal ◽  
Synchronization Scheme

In the bistatic synthetic aperture radar (BiSAR) system, the deviation between two oscillators in different platforms will cause an additional modulation of BiSAR echoes. Therefore, phase synchronization is one of the key issues that must be addressed for the BiSAR system. The oscillator phase error model and the principle of phase synchronization are firstly described. The waveform diversity technology has been widely used in many fields, for example, the hearing aids device and the recognition of auditory input source in cocktail party problem. Inspired by this, an advanced phase synchronization scheme based on coherent integration and waveform diversity is proposed. The synchronization signal and radar signal are orthogonal signals which can be separated by using waveform diversity technique. After extracting the synchronization signal, the phase synchronization accuracy can be further improved by coherent integration. The transmission of synchronization signals between two synchronization antennas is analyzed, followed by the theoretical error analysis. Then, the processing of separating the echo signal and synchronization signal is described in detail. The simulation experiments are performed. The accuracy of phase synchronization can reach 1 degree, which verifies the effectiveness of the proposed synchronization scheme.

scholarly journals Implementation of a Phase Synchronization Scheme Based on Pulsed Signal at Carrier Frequency for Bistatic SAR

Sensors ◽  
2020 ◽  
Vol 20 (11) ◽  
pp. 3188
Author(s):  
Yafeng Chen ◽  
Da Liang ◽  
Haixia Yue ◽  
Dacheng Liu ◽  
Xiayi Wu ◽  
...  
Keyword(s):  
Carrier Frequency ◽  
Phase Synchronization ◽  
Time Slot ◽  
Test Results ◽  
Factors Affecting ◽  
Bistatic Sar ◽  
Advanced Phase ◽  
Ground Validation ◽  
Bistatic Synthetic Aperture Radar ◽  
Synchronization Scheme

Phase synchronization is one of the key technical challenges and prerequisites for the bistatic synthetic aperture radar (SAR) system, which can form a single-pass interferometry system to perform topographic mapping. In this paper, an advanced phase synchronization scheme based on a pulsed signal at carrier frequency is proposed for a bistatic SAR system and it is verified by a ground validation system. In the proposed phase synchronization scheme, the pulsed signal at carrier frequency is used for phase synchronization link, and it is exchanged by virtue of a time slot between radar signals. The feasibility of the scheme is proven by theoretical analysis of various factors affecting the performance of phase synchronization, and the reliability of the scheme is verified by the test results of the ground validation system.

Performance Evaluation of a Sensor Network Synchronization Scheme based on Noise Induced Phase Synchronization

2014 ◽  
Vol 1 ◽  
pp. 656-659
Author(s):  
Hiroyuki Yasuda ◽  
Makoto Harashima ◽  
Tomohiro Kato ◽  
Mikio Hasegawa ◽  
Kazuyuki Aihara
Keyword(s):  
Performance Evaluation ◽  
Sensor Network ◽  
Phase Synchronization ◽  
Network Synchronization ◽  
Synchronization Scheme
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