What is the knowledge of the magnification of the image measuring instrument?
What is the knowledge of the magnification of the image measuring instrument? The magnification of the image measuring instrument includes two aspects: optical magnification and digital magnification. The magnification based on the principle of geometric imaging is called optical magnification, and the display magnification of the processing circuit is called digital magnification. The image of the object on the photosensitive unit, which is pure optical imaging that follows the principle of geometric optics. The optical magnification partly determines the magnification of the image and partly determines the field of view that the CCD can see. The digital magnification is the so-called digital magnification. The CCD photosensitive unit displays images on the display through the processing circuit. The table shows the magnification from the CCD to the display. The ratio between the actual measured object size and the display image size is the image magnification. The measurement system of the two-dimensional image measuring instrument optically magnifies the object to be measured through the lens. When the image reaches the display through the digital signal, the process will also be affected Zoom in, the magnification of an object from size to image size is called image magnification. The calculation formula of the magnification of the two-dimensional image measuring instrument is as follows: image magnification optical magnification × digital magnification. The magnification of the image measuring instrument includes two aspects: optical magnification and digital magnification. The magnification based on the principle of geometric imaging is called optical magnification, and the display magnification processed by the electronic circuit is called digital magnification. The magnification of the object imaged on the photosensitive unit of the CCD through the lens is based on the principle of geometric optics. Pure optical imaging.
The optical magnification part determines the magnification of the image, and partly determines the field of view that the CCD can see. The digital magnification is the so-called digital magnification that is used by the CCD photosensitive unit to display the image on the display through the processing circuit. The table shows the magnification from the CCD to the display screen. The ratio between the size of the actual measured object and the image size of the display is the image magnification. The measuring system of the two-dimensional image measuring instrument optically magnifies the object to be measured through the lens. When the image reaches the display through the digital signal, the process is also magnified.
Hydraulic universal testing machines have very high accuracy requirements.
The hydraulic system is the power drive mechanism of the tensile testing machine.
The specific application of the electronic universal testing machine in the automobile manufacturing process: The electronic universal testing machine needs to be used for automobile parts.
Wave soldering refers to the molten solder (lead-tin alloy), sprayed by electric pump or electromagnetic pump into the solder wave required by the design, can also be formed by injecting nitrogen into the solder pool, so that it is pre-loaded The printed board of the component realizes the soft soldering of the mechanical and electrical connection between the solder end or the pin of the component and the pad of the printed board through the solder wave.
The frequency converter is a power control equipment that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working power supply.
Electronic universal testing machine is a necessary equipment to control the quality of products.
The calibration operation of the electronic universal testing machine is still relatively unfamiliar to friends who use it for the first time.
Selective wave soldering defects and their prevention.
Testing machine, broadly speaking, is an instrument that verifies the quality or performance of a product or material according to the design requirements before it is put into use.
The tensile force is not an accurate value after being measured by the testing machine, and subsequent calculations are required to get the desired value.
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