HIGHLY ACCURATE DISTANCE MEASUREMENT DEVICE
Highly accurate electro-optical time of flight distance measuring device for determining a distance to a target, including a transmitter for sending out a pulse shaped optical radiation to the target as well as a receiver for an optical signal built for turning the optical signal to an electrical si...
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Main Authors | , , , |
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Format | Patent |
Language | English Korean |
Published |
31.08.2012
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Subjects | |
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Abstract | Highly accurate electro-optical time of flight distance measuring device for determining a distance to a target, including a transmitter for sending out a pulse shaped optical radiation to the target as well as a receiver for an optical signal built for turning the optical signal to an electrical signal, and a filter with a transfer function for filtering the electrical signal whereby the filter is built in such a way that its transfer-function is of at least 4th order, in particular 5th or 7th or higher order, so that aliasing is suppressed. Further a waveform-sampler, as an analog-to-digital-converter, for digitalizing the pulse shape from the filtered electrical signal as time- and value-quantized digital data, and a computation means for a numerical evaluation of the distance according to the pulse shape or a pulse shape representing numerical signature from the digital data. |
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AbstractList | Highly accurate electro-optical time of flight distance measuring device for determining a distance to a target, including a transmitter for sending out a pulse shaped optical radiation to the target as well as a receiver for an optical signal built for turning the optical signal to an electrical signal, and a filter with a transfer function for filtering the electrical signal whereby the filter is built in such a way that its transfer-function is of at least 4th order, in particular 5th or 7th or higher order, so that aliasing is suppressed. Further a waveform-sampler, as an analog-to-digital-converter, for digitalizing the pulse shape from the filtered electrical signal as time- and value-quantized digital data, and a computation means for a numerical evaluation of the distance according to the pulse shape or a pulse shape representing numerical signature from the digital data. |
Author | HINDERLING JUERG STUTZ RETO ROHNER MARCEL FRITSCH ROBERT |
Author_xml | – fullname: FRITSCH ROBERT – fullname: STUTZ RETO – fullname: HINDERLING JUERG – fullname: ROHNER MARCEL |
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Snippet | Highly accurate electro-optical time of flight distance measuring device for determining a distance to a target, including a transmitter for sending out a... |
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SubjectTerms | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
Title | HIGHLY ACCURATE DISTANCE MEASUREMENT DEVICE |
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