A robust acquisition technique using CFAR adaptive thresholding in hybrid spread spectrum systems

H Ahmadian Yazdi, MA Pourmina… - Wireless Personal …, 2021 - Springer
Acquisition schemes for hybrid spread spectrum (HSS) systems with a fixed threshold
cannot provide satisfactory performance, due to the instantaneous changes of channel state …

[PDF][PDF] The Stable and Anti-Jamming Algorithm for Synchronization of Hybrid Spread Spectrum System

H Ahmadian-Yazdi, MA Pourmina… - Journal of Intelligent …, 2022 - journals.iau.ir
Abstract Hybrid Spread Spectrum (HSS) link is a suitable and robust physical layer structure
for the tactical ad-hoc network. In this link, synchronization consists of two stages: Frequency …

DSP implementation of signal processing system for millimeter wave flow velocity radar

J Liu, P Li, Y Ji, R **e, Y Rui - … International Conference on …, 2024 - spiedigitallibrary.org
In this paper we propose a novel signal processing architecture for millimeter wave flow
velocity radar. FPGA and DSP are combined to make the system more compact while …

Improved Minimum Description Length CFAR Based on Weighted Log-Likelihood Estimation

Z Liu, R **e, W Wang, Z Wang, Y Zhou… - 2022 14th …, 2022 - ieeexplore.ieee.org
Minimum description length CFAR (MDL-CFAR) can improve the detection performance in
clutter edge environment, but the detection performance is poor in multi-target environment …

Enhanced Truncated Statistic CFAR Based on Median Absolute Deviation and Weighted Log-likelihood Estimation

Y Zhou, R **e, X Liu, W Wang, Z Liu… - 2022 14th …, 2022 - ieeexplore.ieee.org
The actual working environment of radar is complex, including many interferences and non-
homogeneous clutter, which seriously degrade the detection performance of radar. This …

Pseudo-noise Code Acquisition Method Using Iterative Message Passing Techniques Based on Hybrid Iteration Strategy

Z Li, X Shi, Y Shen, Y Wang - 2021 IEEE 5th Information …, 2021 - ieeexplore.ieee.org
In this paper, a pseudo-noise code acquisition method using iterative message passing
techniques based on a hybrid iteration strategy is proposed. This method combines an …

Enhanced minimum description length CFAR based on median absolute deviation

J Gu, R **e, Y You, T Wang, P Li… - … Conference on Signal …, 2022 - spiedigitallibrary.org
The actual radar exposure area contains different types of landforms, resulting in non-
uniform radar clutter, which significantly reduces the target detection performance and …

الگوریتم پایدار و ضد اختلال برای همزمان‌سازی پیوند طیف گسترده ترکیبی

احمدیان یزدی, پورمینا, حق بین, افروز - روش‌های هوشمند در صنعت برق, 2022‎ - journals.iau.ir
در این پیوند، همزمان‌سازی شامل دو مرحله می باشد. همزمان‌سازی الگوی پرش فرکانسی و همزمان‌سازی کد
دنباله مستقیم. در شرایط حضور اختلال، استفاده از روش مرسوم آشکارسازی با آستانه ثابت منجر …