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17 relations: Albert Rose (physicist), Charge-coupled device, Cyclostationary process, Electron microscope, Fourier transform, Linear time-invariant theory, Medical optical imaging, Microscopy, Noise, Noise figure, Poisson distribution, Quantum efficiency, Radiography, Signal, Signal-to-noise ratio, Spatial frequency, Stationary process.
Albert Rose (physicist)
Albert Rose (30 March 1910 – 26 July 1990) was an American physicist, who made major contributions to TV video camera tubes such as the orthicon, image orthicon, and vidicon.
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Charge-coupled device
A charge-coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for example conversion into a digital value.
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Cyclostationary process
A cyclostationary process is a signal having statistical properties that vary cyclically with time.
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Electron microscope
An electron microscope is a microscope that uses a beam of accelerated electrons as a source of illumination.
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Fourier transform
The Fourier transform (FT) decomposes a function of time (a signal) into the frequencies that make it up, in a way similar to how a musical chord can be expressed as the frequencies (or pitches) of its constituent notes.
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Linear time-invariant theory
Linear time-invariant theory, commonly known as LTI system theory, comes from applied mathematics and has direct applications in NMR spectroscopy, seismology, circuits, signal processing, control theory, and other technical areas.
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Medical optical imaging
Medical optical imaging is the use of light as an investigational imaging technique for medical applications.
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Microscopy
Microscopy is the technical field of using microscopes to view objects and areas of objects that cannot be seen with the naked eye (objects that are not within the resolution range of the normal eye).
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Noise
Noise is unwanted sound judged to be unpleasant, loud or disruptive to hearing.
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Noise figure
Noise figure (NF) and noise factor (F) are measures of degradation of the signal-to-noise ratio (SNR), caused by components in a signal chain.
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Poisson distribution
In probability theory and statistics, the Poisson distribution (in English often rendered), named after French mathematician Siméon Denis Poisson, is a discrete probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space if these events occur with a known constant rate and independently of the time since the last event.
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Quantum efficiency
The term quantum efficiency (QE) may apply to incident photon to converted electron (IPCE) ratio, of a photosensitive device or it may refer to the TMR effect of a Magnetic Tunnel Junction.
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Radiography
Radiography is an imaging technique using X-rays to view the internal form of an object.
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Signal
A signal as referred to in communication systems, signal processing, and electrical engineering is a function that "conveys information about the behavior or attributes of some phenomenon".
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Signal-to-noise ratio
Signal-to-noise ratio (abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.
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Spatial frequency
In mathematics, physics, and engineering, spatial frequency is a characteristic of any structure that is periodic across position in space.
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Stationary process
In mathematics and statistics, a stationary process (a strict/strictly stationary process or strong/strongly stationary process) is a stochastic process whose unconditional joint probability distribution does not change when shifted in time.
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References
[1] https://en.wikipedia.org/wiki/Detective_quantum_efficiency
