InterconnecTIons between the DS2152 or DS2154 and the IGT WAC-0…
Basic introduction of infrared detector
A proximity detector (sensor) is a detection device that can trigger an alarm when an intruder approaches it. In the proximity detector, there is usually a high-frequency LC oscillating circuit. The LC circuit of the …
The video signal is directly transmitted through the coaxial cable, which will cause amplitude attenuation and frequency distortion. That is, different frequency components have different attenuation, and the higher the frequency, the greater the attenuation. The ampli…
Thermal design of DWDM communication equipment
The development of contemporary communication technology is extremely rapid. The speed of communication equipment has grown from 155M in previous years to 622M, 2.5G, 10G, and even 40G today. To be sure, it will de…
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Video format classification and introduction
At present, video formats can be divided into two categories: local video video suitable for local playback and network streaming video video suitable for playback on the network. It is worth mentioning here: althoug…
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Introduction to CCTV Monitor When CCTV Monitor is connected to a camera or a VCR, the live or recorded image will be displayed on the Monitor, just like the TV screen you usually see. How is the image formed?
Operation principle of image formation After the vid…
CCTV is the abbreviation of Closed Circuit Television, which means closed circuit television system. It uses electrical principles to convert the image light energy captured through the optical lens into electrical en…