Skip Content
You are currently on the new version of our website. Access the old version .

8 Results Found

  • Article
  • Open Access
3 Citations
2,161 Views
23 Pages

15 June 2024

GMRES is one of the most powerful and popular methods to solve linear systems in the Krylov subspace; we examine it from two viewpoints: to maximize the decreasing length of the residual vector, and to maintain the orthogonality of the consecutive re...

  • Article
  • Open Access
2 Citations
2,536 Views
19 Pages

16 July 2024

The successive over-relaxation method and its symmetric extension to the symmetric successive over-relaxation method inherit the advantages of direct method and iterative method; they are simple iterative algorithms to solve the linear systems. We de...

  • Article
  • Open Access
11 Citations
3,369 Views
24 Pages

Refocusing of Moving Ships in Squint SAR Images Based on Spectrum Orthogonalization

  • Xuyao Tong,
  • Min Bao,
  • Guangcai Sun,
  • Liang Han,
  • Yu Zhang and
  • Mengdao Xing

17 July 2021

Moving ship refocusing is challenging because the target motion parameters are unknown. Moreover, moving ships in squint synthetic aperture radar (SAR) images obtained by the back-projection (BP) algorithm usually suffer from geometric deformation an...

  • Article
  • Open Access
1 Citations
2,816 Views
18 Pages

A Gradient-Based Method for Robust Sensor Selection in Hypothesis Testing

  • Ting Ma,
  • Bo Qian,
  • Dunbiao Niu,
  • Enbin Song and
  • Qingjiang Shi

27 January 2020

This paper considers the binary Gaussian distribution robust hypothesis testing under a Bayesian optimal criterion in the wireless sensor network (WSN). The distribution covariance matrix under each hypothesis is known, while the distribution mean ve...

  • Article
  • Open Access
14 Citations
3,498 Views
23 Pages

4 June 2019

In this paper, a novel unsupervised band selection (BS) criterion based on maximizing representativeness and minimizing redundancy (MRMR) is proposed for selecting a set of informative bands to represent the whole hyperspectral image cube. The new se...

  • Article
  • Open Access
13 Citations
3,023 Views
19 Pages

6 May 2023

The environmental factors of greenhouses affect crop growth greatly and are mutually coupled and spatially distributed. Due to the complexity of greenhouse climate modeling, the current optimal control of greenhouse crop growth rarely considers the s...

  • Article
  • Open Access
7 Citations
5,197 Views
27 Pages

A Low Complexity, High Throughput DoA Estimation Chip Design for Adaptive Beamforming

  • Kuan-Ting Chen,
  • Wei-Hsuan Ma,
  • Yin-Tsung Hwang and
  • Kuan-Ying Chang

Direction of Arrival (DoA) estimation is essential to adaptive beamforming widely used in many radar and wireless communication systems. Although many estimation algorithms have been investigated, most of them focus on the performance enhancement asp...

  • Article
  • Open Access
7 Citations
2,369 Views
17 Pages

14 November 2023

(1) Background: The ability to recognize identities is an essential component of security. Electrocardiogram (ECG) signals have gained popularity for identity recognition because of their universal, unique, stable, and measurable characteristics. To...