This paper provides a mathematical method used to analyse designedparameters,transfer coordinates,and describes how errors be transmited is VHS VTR(video tape recorder)helical scanning tape transmit system.
This paper provides a mathematical method used to analyse designedparameters,transfer coordinates,and describes how errors be transmited is VHS VTR(video tape recorder)helical scanning tape transmit system.
In three-dimensional computer reconstruction system for serial sections of biological tissue, video tape recorder (VTR)was used as its input and output equipment and the effect is satisfactory.
A He - Ne Laser is used to illuminate an analogue target and a CCD camera mounted to receive reflected signals from the target, whence one path of the stenal is transmitted to the monitor, a second path transmitted to a video tape recorder,and a third to a computer for signal processing.
The posture, footfall order, phase duration, speed and foot force (including the hand force) in level locomotion were observed by means of foot contact switches, a 16 mm cine-camera or a video tape recorder and a force plate.
In our electronic method, the circular sunspots are recorded on a magnetic video tape recorder, and then the recorded images of them are reproduced on a picture monitor and the video signals are simultaneously displayed on an oscilloscope.
The newly developed system is composed of a reaction vessel under a microscope, automatic stage, charge coupled device (CCD) camera, TV monitor, video tape recorder (VTR), and a microcomputer.
The high temperature behaviours of evaporated thin films of copper alloys (Cu-Ti, Cu-Sn-Ti, Cu-Si) on carbon substrate have been studied in heating stage of TEM and HVEM and recorded by a video tape recorder. The diffraction contrast of the grains in Cu, Cu-Ti and Cu-Sn-Ti films begins to vary rapidly at about 640, 700 and 750℃ respectively. The vacant areas in these films expand rapidly above about 660, 750 and 800℃. Finally the isolated islands are formed. The balling of these films on g...
The friction behaviour between the felt and damping plate (its material is polyformaldehyde) in the video tape recorder is discussed. There are kinds of techniques for measuring the friction torque and the friction coefficient. This paper suggests a very simple and effective tribo-testing device which can dynamically measure the friction torque and the friction coefficient between the felt and the damping plate. Through many experiments the curve of the friction torque varying with the spe...
In three-dimensional computer reconstruction system for serial sections of biological tissue, video tape recorder (VTR)was used as its input and output equipment and the effect is satisfactory. A Sync Recovery Unit(SRU) was developed for eliminating the noise induced by repeatedly displaying one frame of images recorded on a videotape, thus the image data of the sections could be collected stably frame by frame by the Cromemco microcomputer through SDD image input interface.Aft...
video tape recorder
磁带录像机
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