Results 11 to 20 of about 252,491 (337)

A Review of Unmanned Aerial Vehicle Low-Altitude Remote Sensing (UAV-LARS) Use in Agricultural Monitoring in China

open access: yesRemote Sensing, 2021
Precision agriculture relies on the rapid acquisition and analysis of agricultural information. An emerging method of agricultural monitoring is unmanned aerial vehicle low-altitude remote sensing (UAV-LARS), which possesses significant advantages of ...
Haidong Zhang   +3 more
doaj   +1 more source

From Microcars to Heavy-Duty Vehicles: Vehicle Performance Comparison of Battery and Fuel Cell Electric Vehicles

open access: yesVehicles, 2021
Low vehicle occupancy rates combined with record conventional vehicle sales justify the requirement to optimize vehicle type based on passengers and a powertrain with zero-emissions. This study compares the performance of different vehicle types based on
Shemin Sagaria   +3 more
doaj   +1 more source

Impact of UAV Hardware Options on Bridge Inspection Mission Capabilities

open access: yesDrones, 2022
Uncrewed Aerial Vehicles (UAV) constitute a rapidly evolving technology field that is becoming more accessible and capable of supplementing, expanding, and even replacing some traditionally manual bridge inspections.
Zahra Ameli   +3 more
doaj   +1 more source

A Secure Image Steganography Using Shark Smell Optimization and Edge Detection Technique

open access: yesKurdistan Journal of Applied Research, 2022
The stegangraphic system supply premium secrecy and ability of conserving the mystery information from gaining stalked or cracked. The suggested method consists of three phases which are edge detection, embedding and extraction.
Omar Y. Abdulhammed   +5 more
doaj   +3 more sources

Exploration of the antibody–drug conjugate clinical landscape

open access: yesmAbs, 2023
The antibody–drug conjugate (ADC) field has undergone a renaissance, with substantial recent developmental investment and subsequent drug approvals over the past 6 years. In November 2022, ElahereTM became the latest ADC to be approved by the US Food and
Heather Maecker   +4 more
doaj   +1 more source

Parametric Optimization of a Cyclogiro Aircraft Design for Efficient Hover with Aeroelastic Considerations [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2021
A minimization procedure is proposed to orient the design of a vertical take-off and landing drone towards sustainability. The vehicle is a novel cycloidal rotor drone and the principal objective is to yield the best ratio of payload to power consumption.
Louis Gagnon   +2 more
doaj   +1 more source

Feature Selection to Enhance DDoS Detection Using Hybrid N-Gram Heuristic Techniques

open access: yesJOIV: International Journal on Informatics Visualization, 2023
Various forms of distributed denial of service (DDoS) assault systems and servers, including traffic overload, request overload, and website breakdowns.
Andi Maslan   +4 more
doaj   +1 more source

Payload Enhancement on Least Significant Bit Image Steganography Using Edge Area Dilation [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2019
This research proposes a method to enhance the payload message by embedding messages on the dilated edge areas by the Least Significant Bit (LSB) method.
De Rosal Ignatius Moses Setiadi
doaj   +1 more source

Accurate Modeling and Analysis of Isolation Performance in Multiport Amplifiers

open access: yesActive and Passive Electronic Components, 2012
A Multiport Amplifier (MPA) is an implementation of the satellite power amplification section that allows sharing the payload RF power among several beams/ports and guarantees a highly efficient exploitation of the available DC satellite power.
Marinella Aloisio   +2 more
doaj   +1 more source

Satellite Requirements for Observation of Close Proximity Celestial Bodies

open access: yesEngineering Proceedings, 2022
Celestial bodies of our solar system remain as a major unexplored and unexploited reserve of natural resources available to humans. Furthermore, those constitute a valuable source of information about the origins and evolution of the solar system and an ...
Juan Misael Gongora-Torres   +4 more
doaj   +1 more source

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