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Wyniki wyszukiwania dla: measurement system
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Evaluation of a 10 nm Particle Number Portable Emissions Measurement System (PEMS)
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A method of two-terminal excess noise measurement with a reduction of measurement system and contact noise
PublikacjaPrzedstawiono metodę i system do pomiaru szumów nadmiarowych dwójników elektrycznych ze znaczną redukcją wpływu szumów własnych systemu pomiarowego i szumów kontaków. Proponowana metoda może byc zastosowana do pomiaru szumów elementów z wyprowadzonymi końcówkami, bądź też struktur, gdy jako wzorcowy szum odniesienia może zostać zastosowany szum struktury rezystywnej wytworzonej bezpośrednio na strukturze w otoczeniu elementu testowanego.
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A review of design approaches for the implementation of low-frequency noise measurement systems
PublikacjaElectronic noise has its roots in the fundamental physical interactions between matter and charged particles, carrying information about the phenomena that occur at the microscopic level. Therefore, Low-Frequency Noise Measurements (LFNM) are a well-established technique for the characterization of electron devices and materials and, compared to other techniques, they offer the advantage of being non-destructive and of providing...
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Ellipse-fitting algorithm implementation in the impedance measurement system based on DAQ card with FPGA
PublikacjaThe paper presents an implementation of the ellipse-fitting algorithm in the impedance measurement system based on DAQ card equipped with FPGA chip. The method implementation was tested by simulation means as well as experimentally in the designed and presented measurement system. Finally, the limit values of sampling parameters which assures satisfying accuracy were given.
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Measurement system for nonlinear surface spectroscopy by atomic force microscopy for corrosion processes monitoring
PublikacjaIn addition to traditional imaging the surface, atomic force microscopy (AFM) enables wide variety of additional measurements. One of them is higher harmonic imaging. In tapping mode the nonlinear contact between tip and specimen results in higher frequency vibrations. More information available from the higher harmonics analysis proves to be helpful for more detailed imaging. Such visualization is especially useful for heterogeneous...
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The Influence of Noise Level on the Value of Uncertainty in a Measurement System Containing an Analog-to-Digital Converter
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A Measurement System for Quasi-Spectral Determination of Absorption and Scattering Parameters of Veterinary Tissue Phantoms
PublikacjaThis paper describes the construction of a system for the quasi-spectral determination of absorption and scattering parameters of animal tissue phantoms. Several tissue phantoms, including one reference and two modified for examination, were prepared from polydimethylsiloxane (PDMS). The phantoms were measured using a system based on an integrating sphere and the light sources of wavelengths commonly used for the treatment of various...
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Method and measurement system for DC characteristics measurement of power diodes in very wide current range
PublikacjaW artykule przedstawiono układ pomiarowy do pomiaru charakterystyk stałoprądowych diod. Pomiar przeprowadzany jest metodą impulsową w celu zapewnienia stałej temperatury badanego elementu w trakcie pomiaru. Do zapewnienia odpowiedniej liczby punktów pomiarowych wykorzystano układ zmodyfikowanej drabinki R2R z pojedynczymi kluczami sterującymi.
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A measurement system for nonlinear surface spectroscopy with an atomic force microscope during corrosion process monitoring
PublikacjaIn addition to traditional imaging the surface, atomic force microscopy (AFM) enables wide variety of additional measurements. One of them is higher harmonic imaging. In tapping mode the nonlinear contact between tip and specimen results in higher frequency vibrations. More information available from the higher harmonics analysis proves to be helpful for more detailed imaging. Such visualization is espe-cially useful for heterogeneous...
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Optical Fibre Control-Measurement Systems Of Compound HV/HP Electrical Equipment
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Influence of vision measurement system spatial configuration on measurement uncertainty, based on the example of electric traction application
PublikacjaTechnical diagnostics plays a significant role in ensuring operational reliability of electrified rail transport. The most critical point in the transmission of electric energy to vehicles is the sliding contact of the current collector with the traction network. For this reason, work is currently being carried on new measuring methods, whose appliance allows for more complete diagnostics of the contact line and current collectors,...
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Utilization of a Non-Linear Error Function in a Positioning Algorithm for Distance Measurement Systems Designed for Indoor Environments
PublikacjaA new positioning algorithm for distance measurement systems is outlined herein. This algorithm utilizes a non-linear error function which allows us to improve the positioning accuracy in highly difficult indoor environments. The non-linear error function also allows us to adjust the performance of the algorithm to the particular environmental conditions. The well-known positioning algorithms have limitations, mentioned by their...
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Metrology and Measurement Systems
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Intelligent Measurement Systems
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Intelligent Measurement Systems
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Measurements and Measurement Systems [2021/22]
Kursy OnlineThe aim of the course is to introduce theoretical and practical students with basic and advanced methods of measurement of various measured quantity and the design and function of the measurement systems.
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Measurements and Measurement Systems [2022/23]
Kursy OnlineOpis kursu: (np. numer semestru, dla którego przeznaczony jest kurs, cel lub tematyka przedmiotu) IV semestr kierunku Energy Technologies. Celem kursu jest zapoznanie teoretyczne i praktyczne studentów z podstawowymi i zaawansowanymi metodami pomiarowymi różnych wielkości pomiarowych oraz budową i zasadą działania systemów pomiarowych. The aim of the course is to introduce theoretical and practical students with basic...
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Measurements and Measurement Systems [WIMiO][2023/24]
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Metrology and Measurement Systems , DaPE, sem01, summer 22/23
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Metrology and Measurement Systems , DaPE, sem01, summer 23/24
Kursy Online