Results 111 to 120 of about 6,799,249 (280)

Experimental evaluation of the Constant False Alarm Rate (CFAR) algorithms used in maritime FM-CW radars [PDF]

, 2013
Paper presents basic information on the Constant False Alarm Rate (CFAR) algorithms and assessment of their practical efficiency in maritime FM-CW radar.
Wawruch, R.
core  

High‐Dimensional Cumulative Sum Control Charts for Industrial Measurement Systems

Quality and Reliability Engineering International, EarlyView.
ABSTRACT High dimensional sensing in modern factories and energy assets produces thousands of correlated signals. Detecting small process shifts is challenging because many classical multivariate charts lose power or become unstable. We present two cumulative sum procedures for two sample monitoring that remain effective when the number of variables is
Osama Alhadi, Tahir Mahmood, Muhammad Riaz, Nasir Abbas   +3 more
wiley   +1 more source

Improving Of IS-CFAR Using Wavelet De-Noising For Smoothing The Noise In Reference Cells

Journal of Engineering and Sustainable Development, 2014
Constant false alarm rate (CFAR) algorithms allow RADAR systems to set detection thresholds and isolated the target from noise or clutter to keeping the false alarm rate at certain level.
Hadi Jameel Hadi, Waleed Khalid Abed Ali   +1 more
doaj  

A Case Study to Monitor Parallel‐Connected Ni–Cd Batteries on EMU Trains Through Compositional Data Control Charts

Quality and Reliability Engineering International, EarlyView.
ABSTRACT Electric multiple unit (EMU) trains, widely used in modern railway transportation, use Nickel–Cadmium (Ni–Cd) batteries to power auxiliary systems on board, including lighting, ventilation, control electronics, and emergency systems. These batteries are often connected in parallel to ensure a wider power supply range for electrical loads that ...
Christian Capezza, Guido Cesaro, Antonio Lepore, Biagio Palumbo, Emanuele Rossi   +4 more
wiley   +1 more source

Design of Selective Detector for Distributed Targets Through Stochastic Characteristic of the Fictitious Signal

Sensors
We investigate the problem of detecting the distributed targets buried in the Gaussian noise whose covariance matrix is unknown when signal mismatch occurs.
Gaoqing Xiong, Hui Cao, Weijian Liu, Jialiang Zhang, Kehao Wang, Kai Yan   +5 more
doaj   +1 more source

A Rank‐Based CUSUM Monitoring Scheme for Time Between Events and Amplitude Data

Quality and Reliability Engineering International, EarlyView.
ABSTRACT Monitoring time between events and amplitude (TBEA) data is critical in many applications, particularly in manufacturing, reliability engineering, and service operations. Yet, most existing TBEA control charts focus on a single quality characteristic and are typically developed under restrictive distributional assumptions.
Muhammad Arslan, Ali Yeganeh, Fatemeh Sogandi, Jean‐Claude Malela‐Majika, Fernanda Otilia Figueiredo, Aisha Iqbal   +5 more
wiley   +1 more source

On the Relationship Between Two CUSUM Charts

Quality and Reliability Engineering International, EarlyView.
ABSTRACT The cumulative sum (CUSUM) chart is a fundamental tool in statistical process control (SPC) and sequential change‐point detection. Two closely related formulations appear in the literature: the standard CUSUM introduced by Page in 1954 and the CUSUM studied by Moustakides in 1986, the latter of which is shown to be exactly optimal under Lorden'
Jun Li, Yajun Mei
wiley   +1 more source

Accounting for animal movement during aerial imaging surveys

Remote Sensing in Ecology and Conservation, EarlyView.
Animals are not stationary during aerial surveys; if their movements are related to the movement of the aerial platform, then bias can be introduced into subsequent population count estimates. We sought to establish a framework for assessing the impacts of animal movement on count error and platform bias by comparing aggregated counts and relative ...
Rowan L. Converse, Christopher D. Lippitt, Steven E. Sesnie, David R. Stewart, Matthew J. Butler, Grant M. Harris   +5 more
wiley   +1 more source

Sentipensar [Feel‐Thinking] Cultivates Collective Scientific Sensemaking and Worldbuilding Within and Beyond Ecological Despair

Science Education, EarlyView.
ABSTRACT Educating youth about environmental and climate justice is crucial in realizing a sustainable and flourishing future. Yet this can be challenging given the intense eco‐emotions youth experience and express while learning about these consequential realities and their implications.
Kelsie Fowler
wiley   +1 more source

Who Can Afford to Fail? Investigating Science Students' Perceptions of Failure Through the Lens of Their Identities

Science Education, EarlyView.
ABSTRACT Scientists agree that learning to cope with failures is an important skill for science students to develop, and students who participate in science research often have positive outcomes after coping with science failures. However, the experience of failure in undergraduate science education more broadly seems to have an overall negative impact
Sandhya Krishnan, Isobel D. Cobb, Joseph A. Harsh, Manuela Mejia, Lisa Corwin   +4 more
wiley   +1 more source