讨论小组
发表于 2025-3-21 18:14:29
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Irrepressible
发表于 2025-3-21 20:21:50
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Insatiable
发表于 2025-3-22 04:23:58
De partment of Automation of the Faculty of Electrical Engineering and In formatics, Slovak Technical University in Bratislava. The research team has been involved for a long time with control problems for machine production mechanisms and, in recent (approximately 15) years, its effort was aimed
commonsense
发表于 2025-3-22 05:59:06
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outer-ear
发表于 2025-3-22 11:39:10
Ultrasonic digital measuring methods,for conversion of an analog signal to a digital one by an analog-to-digital converter (ADC). In most applications, either the velocity of the ultrasonic wave or the time of flight of a wave over the measured distance is utilized. From a technological point of view, another advantage is that the prop
deadlock
发表于 2025-3-22 13:13:17
Non-destructive testing (NDT),hine industry. Non-destructive methods occupy a special position because they ensure that the material and its mechanical properties are not damaged. The existing non-destructive methods are based on the principle of detection of changes caused by inhomogeneities inside the material (fissures, ruptu
消音器
发表于 2025-3-22 19:18:27
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MAIZE
发表于 2025-3-22 22:14:01
Ultrasonic instruments: case studies, ultrasonic measurement of position is that it is possible to measure more coordinates at a time using a single source of ultrasonic waves. This advantage is often used in instruments for measuring the coordinates of graphical patterns. A name for these two-dimensional graphical digitizers has been
仲裁者
发表于 2025-3-23 02:33:56
Book 1996nt of Automation of the Faculty of Electrical Engineering and In formatics, Slovak Technical University in Bratislava. The research team has been involved for a long time with control problems for machine production mechanisms and, in recent (approximately 15) years, its effort was aimed mostly at
AWRY
发表于 2025-3-23 05:44:08
Ultrasonic digital measuring methods,the transducers and the electronic circuits. On the other hand, the use of ultrasonic waves has certain drawbacks too, in particular the large dependence of the velocity of the ultrasonic waves on the parameters of the medium, and their high attenuation and scattering, especially in air.