Remote Sensing Sensor Resolutions & Colour Composite
Explore the art and science of remote sensing, detailing sensor types, resolution categories, and color composite techniques. Learn about the stages involved in remote sensing, sensor variations, and band designations for satellites like Landsat 8. Discover the significance of pixel, high-resolution
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Latest Consensus on UWB Sensing for 802.15.4ab
Co-authors from various companies present the latest agreement on ultra-wideband (UWB) sensing topics for the IEEE 802.15.4ab standard. The consensus includes definitions for sensing pulse shape, packet formats for bi/multi-static sensing, and support for specific sequences and patterns in UWB sensi
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Understanding Humidity Chambers: Functionality, Applications, and Benefits
In various industries, the ability to simulate and control environmental conditions is crucial for testing the durability and performance of products. A humidity chamber, or temperature humidity chamber, is a specialized device designed for this purpose. It provides a controlled environment where te
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Weather: Key Concepts and Factors Explained
Weather is the combination of various elements such as temperature, wind, humidity, and more. Wind is the movement of air, temperature is the measure of energy, and relative humidity indicates the amount of moisture in the air compared to its capacity. Dew point is the temperature at which air becom
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Influence of Environmental Factors on Sound Pressure Levels
In this study, the relationship between sound pressure, particle velocity, and the acoustic impedance is explored in the context of varying humidity, temperature, and barometric pressure. The ideal gas law is used to determine the density of both dry and humid air, considering parameters such as par
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Spectrum Sensing for Enhanced Channel Access in Wireless Networks
This document presents a proposal for Spectrum Sensing Based Deferral (SSBD) to improve channel access in wireless networks. SSBD incorporates spectrum sensing with transmission deferral in a time-bound manner to enhance performance, reliability, and latency control. The proposed solution safeguards
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Temperature: Facts, Measurement, and Scales
Understanding temperature is crucial in daily life. This content delves into the definition, measurement, and scales of temperature, highlighting key facts such as body temperature, freezing and boiling points of water, and extreme temperatures like those found in lightning and the sun. Discover how
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Temperature Effects on Donor and Acceptor Ionization in Semiconductors
Temperature plays a crucial role in the ionization of donor and acceptor atoms in semiconductors. In N-type semiconductors, the Fermi level lies below the conduction band, while in P-type semiconductors it lies above the valence band, with the position depending on temperature and impurity atoms. Do
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IEEE 802.11-21/1321r1 WLAN Sensing Procedure Proposal
This document by Solomon Trainin from Qualcomm presents a proposal on aligning the SFD for the WLAN sensing procedure. It aims to resolve contradictions, optimize behavior, and introduce a structured WLAN sensing procedure. The content outlines phases, terminology, setup, measurement, and reporting
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IEEE 802.11-21/2011r0 Sensing NDP Announcement Overview
This document presents an overview of the IEEE 802.11-21/2011r0 Sensing NDP Announcement for utilizing NDP in sensing applications. It discusses the motivation behind NDP sensing, outlines the NDP Announcement frames, and explains possible sensing frame exchange sequences. The Ranging NDP Announceme
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IoT Based Smart Irrigation System Project Guide
Monsoon-dependent Indian agriculture can benefit from an automatic irrigation system that prevents both over- and under-irrigation. By leveraging wireless technology, such as sensors for soil moisture, air humidity, temperature, and water levels, this project aims to optimize crop production by savi
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IEEE 802.11-19/1769: CSI-based Wi-Fi Sensing Results & Challenges
This document from Oct. 2019 explores IEEE 802.11-19/1769 CSI-based Wi-Fi sensing, focusing on results and standardization challenges. It delves into the concept of Wi-Fi sensing, its applications in security, automation, healthcare, and more, as well as the importance of CSI parameters such as reso
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Wi-Fi Sensing in IoT: Advantages, Use Cases, and Challenges
Wi-Fi sensing utilizes Wi-Fi devices/network to detect presence, range, angle, and velocity of passive/non-transceiver objects. This document discusses the definition, advantages, use cases like smart home applications, and challenges of Wi-Fi sensing compared to other sensing technologies. It also
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Factors Affecting Water Needs of Crops in Agriculture
Understanding the soil, plant, and meteorological factors influencing water requirements in crop cultivation is essential for successful agriculture. This course delves into the impact of climate, solar radiation, temperature, pressure, wind, and humidity on crop distribution, growth, and productivi
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Wireless Sensing Privacy Discussions in May 2023 Document
May 2023 document (.IEEE 802..11-23-0782-00-00bf) discusses privacy issues related to wireless sensing, including unauthorized access to sensing reports, tracking of sensing devices, and potential eavesdropping on sensing signals. It proposes solutions to protect sensitive information and addresses
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Temperature Measurement in Plant Growth
Exploring the measurement of maximum and minimum air temperature, its significance in analyzing trends and variations, and how temperature impacts plant growth stages. The optimal temperature ranges for different plant species and the importance of maximum and minimum temperature recordings using sp
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Comparison of Trigger-based vs. Non-Trigger-based Sensing Measurement in IEEE 802.11
The document discusses the differences between Trigger-based (TB) and Non-Trigger-based (Non-TB) sensing measurement instances in IEEE 802.11 standards, focusing on who initiates the sensing measurement. TB sensing is initiated by the AP, while Non-TB sensing is initiated by a non-AP STA, enabling o
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IEEE P802.15 WPAN Sensing Device Submission
This submission to the IEEE P802.15 Working Group focuses on the development of a sensing device for Wireless Personal Area Networks (WPANs). The document discusses the integration of Ultra-Wideband (UWB) technology for sensing applications, including presence detection and environment mapping. Key
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Exploring Wi-Fi Sensing: Feasibility and Standardization Gaps
Delve into the technical aspects of Wi-Fi sensing, discussing its definition, feasibility, and standardization gaps according to the IEEE 802.11 standard. The presentation highlights the ability of Wi-Fi systems to detect environmental changes and explores scientific publications related to Wi-Fi se
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Wireless LAN Sensing Use Cases in Home Environments
The document discusses use cases for Wireless LAN (WLAN) sensing in home environments, focusing on the connection between multiple access points and home appliances for enhanced performance. It outlines scenarios such as gesture-controlled home appliance operation, user identification for personaliz
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Impact of Climate Change on Winter Haze Pollution in Beijing: Role of Relative Humidity
Relative humidity plays a crucial role in the formation of winter haze pollution in Beijing. Studies show a high correlation between wintertime PM2.5 levels and variables like meridional wind velocity and relative humidity. However, the effect of climate change on Beijing haze in the 21st century is
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The Phenomenology of Temperature Awareness in Distance Running
Researchers at the University of Gloucestershire explore the embodied consciousness of distance runners, focusing on thermoception and temperature regulation. Utilizing sociological phenomenology and phenomenological ethnography, the study delves into the sensory experiences of runners, emphasizing
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Temperature: From Touch to Thermometer
Explore the concept of temperature in Year 4 lesson 1, understanding that touch is not always accurate in judging temperature. Engage in activities to test different temperatures and discover the limitations of using the sense of touch. Lesson 2 introduces using a thermometer to measure temperature
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Elevated Moist Layers and Relative Humidity in the Tropics
This presentation explores the retrieval of complex humidity structures and relative humidity patterns in the tropics using data from various research studies. It delves into the significance of Elevated Moist Layers (EMLs) and their relationship to deep convection, with a focus on the ERA-Interim d
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Low Temperature Thermometry Overview
Temperature measurement, known as thermometry, involves assessing local temperature levels for various applications. A good low-temperature thermometer should offer reproducibility, high sensitivity, and a wide operating range. Primary thermometers directly measure properties of matter, while second
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Humidity and Dew Point in Atmospheric Water Measurement
Relative humidity measures the amount of water vapor in the air compared to its capacity, influenced by temperature. Saturated air forms clouds at 100% humidity. Dew point is the temperature at which air becomes saturated, leading to condensation and cloud formation. By comparing air temperature to
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Humidity: Measurement, Classification, and Calculation
Humidity is the amount of water vapor in the air, impacting weather conditions and human comfort. It can be classified as absolute humidity and relative humidity, each playing a crucial role in determining atmospheric moisture levels. The calculation of relative humidity involves comparing the vapor
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Infant Incubators: Essential Information for Newborn Care
Infant incubators play a crucial role in maintaining a healthy environment for newborn babies, especially premature or sick full-term infants. These devices control temperature, humidity, and oxygen levels to create a neutral environment that supports optimal growth and development. This article cov
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Sweat Production and Temperature Regulation in the Body
This experiment focuses on measuring skin temperature and sweat production to understand the body's cooling mechanism. Through observations of perspiration in response to temperature and stress, participants investigate the relationship between body humidity and environmental temperature. Theoretica
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Atmospheric Thermodynamics and Humidity Measurements
Explore the key concepts of atmospheric thermodynamics including wet bulb temperature, wet bulb depression, dew-point temperature, and relative humidity. Learn how meteorologists use psychrometric charts to measure humidity and analyze air moisture content. Discover the significance of wet bulb depr
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Air Conditioning and Psychrometrics in HVAC Systems
Air conditioning systems in HVAC aim to control temperature, humidity, air movement, and air quality for comfort and process control. Psychrometrics studies air-water vapor mixtures, with key parameters like dry bulb temperature and relative humidity. Important psychrometric processes involve adiaba
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Atmospheric Thermodynamics: Key Concepts and Applications
Exploring the principles of atmospheric thermodynamics in a lecture by Dr. Sama Khalid Mohammed at Mustansiriya University. Topics covered include air parcel behavior, relative humidity definitions, and factors affecting humidity levels. Gain insights into saturation, supersaturation, and how temper
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Enhancing Smartphone Location Sensing Efficiency
This study delves into optimizing energy consumption in smartphone location sensing mechanisms like GPS and Network Based Triangulation. Comparisons of battery drainage rates with and without GPS provide insights. Additionally, the energy efficiency of Network Based Triangulation as a less accurate
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Atmospheric Pressure, Wind Variations, and Humidity in Weather Systems
The atmosphere is composed of various elements like gaseous molecules, water vapor, and dust particles. Key weather variables include atmospheric pressure, temperature, humidity, wind, cloud cover, and precipitation. Atmospheric pressure is influenced by the weight of air above a point, with average
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Constrained Adaptive Sensing and Benefits of Adaptivity
Constrained adaptive sensing involves estimating sparse signals with constraints, utilizing strategies like nonadaptive sensing and adaptive sensing. Benefits of adaptivity include reducing errors and improving estimation accuracy in signal processing. It explores the potential for improvement in re
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Temperature Tolerance of Organisms in the Universe
Life on Earth exists within a range of temperatures, with organisms displaying varied temperature tolerance. Eurythermal organisms can withstand large temperature fluctuations, while stenothermal organisms tolerate only small variations. The temperature range for each species is crucial for their ph
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Humidity and Carbon Dioxide in Classroom Climate
Humidity is a crucial factor in our environment, affecting our comfort and the growth of plants. This article delves into the definition of humidity, its impact on our bodies, and its role in stabilizing temperatures. It also discusses the importance of managing humidity levels due to human activity
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HDC2010/HDC2080 Temperature and Humidity Sensing - Register Corruption Issue
Abnormal temperature and humidity readings were observed due to register corruption in HDC2010/HDC2080 sensors. The root cause was traced to a floating node in the level shifter circuit, which affected signal levels. Verified workarounds involve limiting VDD, entering and exitting Custom Mode, and s
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IEEE 802.11 Sensing: Applications, Feasibility, Standardization
IEEE 802.11 sensing, also known as WiFi sensing, utilizes 802.11 signals to detect changes in the environment through signal processing and machine learning. This technology offers various advantages over common sensors, such as motion detection, breathing monitoring, and tracking, without the need
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IEEE 802.11-22 WLAN Two-Way Sensing Use Cases
This document explores the use cases and implementation of two-way sensing in WLAN environments, focusing on scenarios where both access points (AP) and non-AP stations require sensing results for various applications such as home security, presence detection, and sleep monitoring. The proposed appr
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