Types of cameras used in wireless surveillance

People are also paying more and more attention to the use of monitoring equipment. Wireless monitoring is widely used in various fields. The quality of the transmitted picture in the wireless monitoring system depends largely on the camera, so it is important to choose the type of camera. In the surveillance market, there are three kinds of cameras, namely: full-HD cameras, high-definition cameras, standard definition cameras.
Full-HD cameras: Usually only used in some high-end areas, generally less full-HD cameras are used in wireless surveillance systems. Full-HD cameras have physical resolution of up to 1920*1080.
HD Cameras: The use of wireless surveillance systems is relatively high, and now people want to see high-quality, high-definition images. The HD camera has a physical resolution of 1280 x 720 and an aspect ratio of 16:9.
Standard Definition Cameras: Nowadays, people are pursuing high quality, high-definition video and gradually reducing their use in wireless surveillance systems. The physical resolution of the standard definition camera is 1280*720 or less, and the aspect ratio is 4:3.

In order to solve the problem of low construction efficiency when the existing waterproof board paving trolley is used to install the reinforcement of the lining of the open tunnel, which affects the construction progress. The remaining two of the four steel bar installation platforms are arranged in the middle of the main body of the paving trolley and are arranged symmetrically. One end of each steel bar installation platform is fixed to the main body of the paving trolley. One end is fixedly connected with the arc positioning steel bar.

Open Cut Tunnel Trolley

Open Cut Tunnel Trolley,Tunnel Trolley For Moulds,Double Trolley Liner,Lining Formwork Trolley

Anshan Lijian Engineering Group Co. LTD , https://www.lijianformwork.com

Posted on