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37 articles for “passive sensors”
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Soil Moisture Retrieval from Brightness Temperature using Passive Microwave Remote Sensing
Abstract: Soil Moisture (SM) data are often a derived product of Microwave Remote Sensing (MRS) satellites. The brightness temperature (Tb) however, is a basic quantity associated with the satellites in the Microwave range and is available as a common data product from all MRS satellites. In this paper an attempt has been made to develop an algorithm to retrieve SM information directly from the Tb values obtained from the Advanced Microwave …
Published in Journal of Remote Sensing & GIS · Vol. 5, Issue 3, 2014 · pp. 10–16 Read article
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2D LiDAR Based Obstacle Detection System for Obstacle Avoidance in 3D Space
Abstract: Obstacle detection is an important feature in autonomous systems to enhance safety and to improve reliability of the operations in the unknown environment. Various techniques are adopted to detect the obstacle using passive and/or active sensors. Fusion of active and passive sensor techniques are also considered in some cases for better detection of obstacles and improve the accuracy of the detection with safe distance especially in an unmanned aerial robotic …
Published in Journal of Advancements in Robotics · Vol. 9, Issue 3, 2022 · pp. 1–12 Read article
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Remote Sensing to Process in Survey
Abstract: AbstractPhysics has rendered true from any arena to prosecute same under mega scaled appreciation rewardable margins. Remote sensing additional philosophies subscribing same to rescue form frontal obscure. Sharpness may origin reticulation but overwhelmed subscription same as to sect picture elements to contrast may it be multi sect or segment as a whole. Eye scale yes or no or may it be passivated or activated alarm forms appear from rescue in …
Published in Recent Trends in Sensor Research & Technology · Vol. 6, Issue 3, 2019 · pp. 22–27 Read article
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Remote Sensing to Process for Information
Abstract: AbstractRemote sensing ever procuring sensibility acted from atmospheric windows to vary radiation waves mm ranges from thermal status to gigahertz from radio detection and ranging (RADAR). Natural electromagnetic waves have originated formation of passive sensor and artificial emissions origin active sensor. Aerial photography of civil engineering has prompting rescues from satellite imagery. Individual pixel analysis from focused regime scoped analytical methods to origin knitted full image special pattern. Evolution of …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 6, Issue 3, 2019 · pp. 24–30 Read article
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Design and Fabrication of IoT Based Robot for Assistance in Rescue Operations in Flood
Abstract: Floods are one of the most common natural disasters that can sometime become extremely difficult to control. Rising sea levels, climate change and dependency on river basins or coastlines will increase frequency and probability of flooding in many regions of economic activity worldwide in coming decades. Existing rescue operations risks life’s of rescuers and doesn’t provide quick response. In the face of increasing frequency and intensity of flood-related disasters, the …
Published in Journal of Mechatronics and Automation · Vol. 10, Issue 3, 2023 · pp. 8–20 Read article
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Security System (Motion Capture) Based on Raspberry Pi
Abstract: This paper describes a state-of-the-art security system that uses motion capture technology to offer a reliable and flexible security solution for small-business and home settings. The Raspberry Pi, ESP32 camera module, and PIR (Passive Infrared) sensor are the three main components of the system, and they cooperate to identify and document any unusual behavior. As the system's central processing unit, the Raspberry Pi is in charge of coordinating all of …
Published in International Journal of Solid State Innovations & Research · Vol. 2, Issue 1, 2024 · pp. 30–35 Read article
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Automation of 1.5tr Air Conditioning Systems Used in Different Cabins in Different Areas
Abstract: India is the world's most populous country and temperatures in many states regularly exceed 40°C. Therefore, people living in humid climates need a means to control temperature. Scientists have determined that human comfort is between 22°C and 27°C. This research determines all the properties of air relevant to the operation of water pipes. Exploring automation in air conditioning systems with Passive Infrared Sensor is to develop and implement intelligent climate …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 1, 2024 · pp. 1–8 Read article
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Home Automation and Security using Advanced Communication Technologies
Abstract: Demand for automation and security is increasing day by day due to change in social structure from combined to nuclear family. This study presents a low cost, highly flexible and easy to use automation and security system. By using GSM (Global System for Mobile) module along with microcontroller, home appliances can be controlled from anywhere outside. RFID (Radio-frequency identification), GSM and Bluetooth are the communication devices which can be controlled …
Published in Journal Of Network security · Vol. 7, Issue 1, 2019 · pp. 7–10 Read article
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Use of Precipitation Data from Advanced Microwave Scanning Radiometer 2 in the Forecasting of Floods in Assam
Abstract: Flood occurs most commonly from heavy rainfall but it can also result from storm surge associated with a tropical cyclone, a tsunami or a high tide coinciding with higher than normal river levels. Rainfall in the upstream of a river can also cause inundation in the downstream side of a river. Reliable and timely information is essential for appropriate flood management system. This paper explains the use of precipitation data …
Published in Journal of Remote Sensing & GIS · Vol. 6, Issue 1, 2015 · pp. 43–52 Read article
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Intelligent automated railway crossing gate control system
Abstract: The high incidence of accidents at railway level crossings due to human errors and lack of proactive track monitoring is a challenge for rail safety in high-density networks. This paper proposes the development and validation of an intelligent automated railway crossing system- IARCS that leverages sensor fusion and IoT communication to eliminate human dependency and mitigate intrusion risks. The core system deploys an Arduino Uno for the purpose of primary …
Published in Journal of Microcontroller Engineering and Applications · Vol. 13, Issue 1, 2026 · pp. 20–28 Read article
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Automatic Room Light ON/OFF Control using Arduino
Abstract: The concept and construction of an automatic room light ON/OFF control utilising an Arduino and a PIR sensor are presented in this research article. When a person enters the room, the system is programmed to turn on the lights, and when the room is empty, it is programmed to turn them off. The device uses a Passive Infrared (PIR) sensor and an Arduino microcontroller to detect the presence of a …
Published in Trends in Opto-electro & Optical Communication · Vol. 13, Issue 1, 2023 · pp. 27–32 Read article
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ENERGY MANAGEMENT SYSTEM WITH HOME AUTOMATION
Abstract: The surge in population and industrial activity is leading to higher energy consumption rates daily, yet there's a shortage of expertise in monitoring and managing this usage. Traditional energy meters used in homes are offline and necessitate manual readings, which can be addressed through the adoption of smart energy meters. Proposed as an IoT-based solution, these meters enable users to access readings globally, providing detailed information on voltage, current, power, …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 14, Issue 1, 2024 · pp. 1–10 Read article
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Smart Motion Detection System using IoT: A NodeMCU and Blynk Framework
Abstract: A motion detector is a device that senses movement and triggers an action, such as turning on a light or sounding an alarm. Usually, motion detectors have been wired into home security systems, but with the advancements in IoT technology, they can now be connected to the internet for remote monitoring and control. This makes it possible to secure our homes and workplaces in a more practical and adaptable manner. …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 3, 2023 · pp. 1–8 Read article
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Antenna as a Biosensor: A Survey
Abstract: AbstractBesides the communication, antenna has a great capability to sense the physical condition of surrounding environment and object. A minute change in the antenna design depending on the application or experimental conditions is required to use antenna as a sensor. Combining these antennas with passive RFID chips, results in a fabulous sensing device with large number of advantages like small size, light weight, low cost, low energy consumption, durable etc. …
Published in Recent Trends in Sensor Research & Technology · Vol. 5, Issue 1, 2018 · pp. 1–13 Read article
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Intrusion Eye Detector
Abstract: Uncertainty about security risks and illegal access are becoming more prevalent in a variety of settings, such as private homes, business buildings, and critical government buildings. Conventional security systems, which may not offer real-time warnings or prompt reactions, frequently rely on passive monitoring, including CCTV cameras and motion sensors. Artificial intelligence (AI) and computer vision-based intelligent systems are becoming more and more popular as a means of improving security and …
Published in International Journal of Optical Innovations & Research · Vol. 3, Issue 1, 2025 · pp. 28–32 Read article
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Sensors and Artificial Intelligence based Intelligent Thermos
Abstract: For more than a century, the traditional thermos bottle—a passive container for temperature control—has essentially not altered. This offers a huge chance for innovation in a time when health and wellness technology are intertwined. In order to bridge the gap between basic fluid containment and proactive personal health management, this paper presents the design concept for an Intelligent Thermos, a smart hydration system. A low-power microprocessor with Bluetooth connectivity controls …
Published in Recent Trends in Sensor Research & Technology · Vol. 12, Issue 3, 2025 · pp. 37–45 Read article
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An Overview on Quantum dot technology in Temperature sensor design
Abstract: Quantumdot (QD) thermometry harnesses the sizedependent electronic structure of semiconductor nanocrystals to translate minute temperature variations into robust optical signals. In this work we present a systematic design framework for QDbased temperature sensors that integrates (i) bandgap engineering through precise colloidal synthesis, (ii) surfacestate passivation to suppress nonradiative pathways, and (iii) a planar photonicreadout architecture compatible with lowcost, CMOSfriendly fabrication. By exploiting the linear redshift of the photoluminescence (PL) peak …
Published in Journal of Electronic Design Technology · Vol. 17, Issue 1, 2026 · pp. 10–17 Read article
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ML-Enhanced Self-Healing Fiber-Reinforced Polymer Composites with Embedded IoT Sensors for Damage Prediction
Abstract: Fiber-reinforced polymer (FRP) composites are widely used in aerospace and structural systems; nevertheless, the potential for microcracking and fatigue-induced performance degradation remains an obstacle with respect to improved service life. Traditional self-healing methods, while performing well on a chemical level, often lack real-time diagnostic awareness and adaptive control. To circumvent this, we developed a machine-learning augmented self-healing FRP composite, in which a DCPD–Grubbs catalytic matrix was combined with IoT sensor …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 188–208 Read article
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Advancements in Robotic Arm Design: Analyzing Gripping and Grasping Mechanisms
Abstract: The main objective of this project is to design and build a child-sized prosthetic hand that can passively adapt to a grasp. The ability of the fingers to adapt to the shape of an object grasped in the hand is known as an adaptive grip. Four fingers and the thumb flex inward and individually adjust to the contour of the object being grabbed as the hand closes around it. When …
Published in Journal of Instrumentation Technology & Innovations · Vol. 13, Issue 1, 2023 · pp. 09–16 Read article
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An Overview on Microwave Remote Sensing for Earth Observation
Abstract: To understand the Earth from space, one must look beyond the visible eye. While optical satellites rely on the Sun’s reflection much like the human eye they are frequently blinded by the curtain of cloud cover, smoke, or the dark veil of night. To bypass these limitations, we turn to Microwave Satellite Sensing. By utilizing electromagnetic waves with wavelengths ranging from 1 millimeter to 1 meter, we can see through …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 15, Issue 1, 2026 · pp. 21–25 Read article