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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Non-destructive Detection Methods of Biological Activities Wood-destroying Insects
 Soja, Radim ; Friedl, Martin (referee) ; Fiala, Pavel (advisor)
This work contains studying the methods of non-destructive detection of activity in the construction of wood-destroying pests structural element . Detection is performed acoustic detection vital activities beetle larvae krovového . To suppress / eliminate unwanted acoustic noise are proposed methods of differential sensing and acoustic signal processing to suppress unwanted signals and are used to four sensors with piezoelectric transducer as the sensing element . The basic idea of the proposed method is to utilize the effect , in which there is between the individual sensors in the read signal to the phase shift . Once you're into the sensor and signal processing of sensor signals are fed to a differential amplifier , and the operation of subtraction .
Detailed record
Non-destructive Detection Methods of Biological Activities Wood-destroying Insects
 Soja, Radim ; Friedl, Martin (referee) ; Fiala, Pavel (advisor)
This work contains studying the methods of non-destructive detection of activity in the construction of wood-destroying pests structural element . Detection is performed acoustic detection vital activities beetle larvae krovového . To suppress / eliminate unwanted acoustic noise are proposed methods of differential sensing and acoustic signal processing to suppress unwanted signals and are used to four sensors with piezoelectric transducer as the sensing element . The basic idea of the proposed method is to utilize the effect , in which there is between the individual sensors in the read signal to the phase shift . Once you're into the sensor and signal processing of sensor signals are fed to a differential amplifier , and the operation of subtraction .
Detailed record
Non-destructive Detection Methods of Biological Activities Wood-destroying Insects
 Soja, Radim ; Friedl, Martin (referee) ; Fiala, Pavel (advisor)
This work contains studying the methods of non-destructive detection of activity in the construction of wood-destroying pests structural element . Detection is performed acoustic detection vital activities beetle larvae krovového . To suppress / eliminate unwanted acoustic noise are proposed methods of differential sensing and acoustic signal processing to suppress unwanted signals and are used to four sensors with piezoelectric transducer as the sensing element . The basic idea of the proposed method is to utilize the effect , in which there is between the individual sensors in the read signal to the phase shift . Once you're into the sensor and signal processing of sensor signals are fed to a differential amplifier , and the operation of subtraction .
Detailed record

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