optical sensors
NDVI FROM ACTIVE OPTICAL SENSORS AS A MEASURE OF CANOPY COVER AND BIOMASS
... active optical sensors are robust and can be used under most sky conditions, so they are of potential interest for ground truth of biomass for various remote sensing ...different sensors and multiple ...
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Feasibility of applying optical sensors to detect fatigue damage in carbon laminates
... By the results obtained, it was observed a decrease in the modulus of elasticity in order to the number of cycles. Meanwhile, there is an increase of temperature. Through visualization of the results of acoustic ...
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Use of Nafion® membranes for the construction of optical sensors for pH measurements.
... Com o objetivo de otimizar a fase sensora com relação ao sinal de reflectância obtido no sistema de medidas, várias membranas foram preparadas, empregando-se diferentes proporções molare[r] ...
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Near and mid infrared optical sensors.
... Muitos métodos espectrofotométricos com detecção nas regiões do infravermelho próximo e médio empregam fibras ópticas, sendo baseados nas propriedades intrínsecas do analito. Esta abordagem do problema analítico é muito ...
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Retrieval of the photochemical reflectance index for assessing xanthophyll cycle activity: a comparison of near-surface optical sensors
... After spectral convolution, instrument differences between PRI values were simi- lar for all canopies, apart from the ponderosa pine where the PRI measured by the SKR 1800 sensors was often double of that recorded ...
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Classification of Flying Insects with high performance using improved DTW algorithm based on hidden Markov model
... pseudo-acoustic optical sensors are used to produce vastly superior data and Dynamic time warping with nonlinear median filtering combined with Hidden Markov Model using the concept of clustering has been ...
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Four decades of glacier variations at Muztag Ata (Eastern Pamir): a multi-sensor study including Hexagon KH-9 and Pléiades data
... from optical sensors (Hexagon KH- 9, ALOS-PRISM, Pléiades, Landsat 7 ETM+) and SRTM-3, determined changes in glacier length and area, performed geodetic mass balances, and wrote the ...
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TEMPORAL STABILITY OF TUZ GÖLÜ AND ATACAMA DESERT REFERENCE SURFACES FOR ABSOLUTE CALIBRATION OF ORBITAL SENSORS
... This study aimed to evaluate the temporal stability of two potential reference surfaces for radiometric calibration of orbital electro-optical sensors located at: Tuz G¨ol¨u Salar in Tur[r] ...
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A Study for Efficient Methods of System Calibration between Optical and Range Sensors
... Recently, interests in 3D indoor modeling and positioning have been growing. Data fusion by using different sensors data is one of the 3D model producing methods. For a data fusion between two kinds of ...
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Biofouling protection for marine environmental sensors
... protect sensors’ sensitive parts. For sensors such as optical sensors (fluorometer, turbidimeter, transmissome- ter, dissolved oxygen), membrane sensors (pH, dissolved oxygen) or ...
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Application of Optical Multi-Stability to Deflection Sensors
... an optical device. There are several types of micro force sensors, including strain gauge, piezoelectric, optical, and capacitive ...The optical sensors are recognized for their ...
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Optical Current Sensors for High Power Systems: A Review
... of optical sensor technology are very appealing for high voltage applications and can become a valuable asset in a new generation of smart ...of optical sensors technologies for electrical current ...
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Mat. Res. vol.16 número5
... experiment.Contact sensors type K were installed (in detail in Figure 1I) on the internal (Figure 1C) and external (Figure 1E) faces of the lids, following the same position, with two sensors on top, one at ...
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New ferromagnetic core shapes for induction sensors
... The function of induction magnetometers is to measure ex- tremely weak magnetic fields. Their field of application is very large and covers soil characterization for agriculture (Sudduth et al., 2001), earthquake survey ...
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COOPERATIVE UAS LOCALIZATION USING LOWCOST SENSORS
... positioning sensors and cooperative localization technique for a network of ...cheaper sensors if the nodes of the network share information among ...
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Controlled atmosphere system for gas sensors characterization.
... CONTROLLED ATMOSPHERE SYSTEM FOR GAS SENSORS CHARACTERIZATION. This paper describes a sample holder for the electrical measurement of oxides or conducting polymers in the form of pellets or films which are used as ...
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Influence of the substrate on the overall sensor impedance of planar H<sub>2</sub> sensors involving TiO<sub>2</sub>–SnO<sub>2</sub> interfaces
... Z T (f ) were calculated by solving Eq. (2). To simulate a test gas, the impedance of the active layer Z a (f ) was increased by 100 %, leading to Z a,g (f ) = 2 · Z a (f ). The computations revealed that a sensor of ...
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Development of an ammonia portable low-cost air quality station
... other sensors of the MQ sensor family, allowing it to measure various other air pollutants, which makes the QAPT a possible universal air quality monitoring system, being an important feature of the developed ...
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Biodiversity Monitoring Using Smart Acoustic Sensors
... In table 3.9 it is possible to observe the comparison between the three chosen boards. In this project, the particle photon is chosen since it is the board with the highest processing power and some memory (process all ...
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UNIVERSIDADE FEDERAL DO PARÁ INSTITUTO DE TECNOLOGIA PROGRAMA DE PÓS-GRADUAÇÃO EM ENGENHARIA ELÉTRICA GIANNI MASAKI TANAKA PORTELA
... A compact optical switch based on a 2D photonic crystal (PhC) and a magneto-optical cavity is suggested and an- alyzed. The cavity is coupled to two parallel and misaligned PC waveguides and operates with ...
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