Results 51 to 60 of about 68,495 (163)

Multiscale Bayes Adaptive Threshold Wavelet Transform Geomagnetic Basemap Denoising Taking Residual Constraints into Account

Sensors
To achieve high-precision geomagnetic matching navigation, a reliable geomagnetic anomaly basemap is essential. However, the accuracy of the geomagnetic anomaly basemap is often compromised by noise data that are inherent in the process of data ...
Pan Xiong, Gang Bian, Qiang Liu, Shaohua Jin, Xiaodong Yin   +4 more
doaj   +1 more source

A Hierarchical Voting Based Mixed Filter Localization Method for Wireless Sensor Network in Mixed LOS/NLOS Environments

Sensors, 2018
In recent years, the rapid development of microelectronics, wireless communications, and electro-mechanical systems has occurred. The wireless sensor network (WSN) has been widely used in many applications. The localization of a mobile node is one of the
Yan Wang, Jinquan Hang, Long Cheng, Chen Li, Xin Song   +4 more
doaj   +1 more source

Optimization method for variable fractional delay filters based on gradient descent

Tongxin xuebao
In order to address the requirements for low distortion transmission of variable fractional delay filters, an optimization method based on gradient descent and root mean square propagation was proposed.
ZHUANG Ling, HAO Hanjie
doaj  

Delay-Doppler-Domain Channel Estimation and Reduced-Complexity Detection of Faster-Than-Nyquist Signaling Aided OTFS

IEEE Open Journal of Vehicular Technology
We conceive a novel channel estimation and data detection scheme for OTFS-modulated faster-than-Nyquist (FTN) transmission over doubly selective fading channels, aiming for enhancing the spectral efficiency and Doppler resilience.
Zekun Hong, Shinya Sugiura, Chao Xu, Lajos Hanzo   +3 more
doaj   +1 more source

Application of Square-Root Information Kalman Filtering to Combined Navigation Systems

Academic Journal of Science and Technology
With the rapid development of modern science and technology, navigation technology plays a crucial role in transportation, aerospace, military and other fields. At present, a single navigation technology has been difficult to meet the complex navigation needs of high mobility carriers or special environments.
Yifan Yang, Yanmin Luo
openaire   +1 more source

Fusion Ranging Method of Monocular Camera and Millimeter-Wave Radar Based on Improved Extended Kalman Filtering

Sensors
To address the limitations of single-sensor systems in environmental perception, such as the difficulty in comprehensively capturing complex environmental information and insufficient detection accuracy and robustness in dynamic environments, this study ...
Ye Chen, Qirui Cui, Shungeng Wang
doaj   +1 more source

Tracking Extended Targets: Novel TPMB Filter Driven by Model and Data Collaboration

Applied Sciences
In most filtering algorithms involving measurement data association, handling the complex computations due to multiple hypotheses is necessary. This paper introduces a novel Trajectory Poisson Multi-Bernoulli (TPMB) filter for tracking extended targets ...
Yubin Zhou, Bo Li, Jinyu Zhang, Zhikang Li, Zhengyuan Li   +4 more
doaj   +1 more source

Short-term wind power forecasting based on dual attention mechanism and gated recurrent unit neural network

Frontiers in Energy Research
Accurate wind power forecasting is essential for both optimal grid scheduling and the massive absorption of wind power into the grid. However, the continuous changes in the contribution of various meteorological features to the forecasting of wind power ...
Wu Xu, Wu Xu, Yang Liu, Yang Liu, Xinhao Fan, Xinhao Fan, Zhifang Shen, Zhifang Shen, Qingchang Wu   +8 more
doaj   +1 more source

Spatiotemporal analysis of cell division during symbiotic root nodule development in the model legume Medicago truncatula. [PDF]

STAR Protoc
Wickens G, Greensmith E, Schiessl K.
europepmc   +1 more source

Variational adaptive Gaussian approximation filter for nonlinear systems with generalized unknown disturbances. [PDF]

iScience
Qin Y, Lv J, Li S, Hou Y.
europepmc   +1 more source