In the wireless monitoring system, it is often encountered that the transmitted image is unclear, stuck, and the screen is lost, which causes the user to not be able to collect the screen information well during the monitoring process. For these situations, Tengyuan Zhituo based on years of experience in the wireless monitoring industry, to give the majority of users a list of factors affecting the image quality of wireless surveillance systems.
1. The quality of wireless monitoring equipment: The quality of wireless monitoring equipment is an important factor affecting the quality of the transmission picture. The anti-jamming capability and the bandwidth of the wireless monitoring equipment when transmitting signals can affect the final receiver image. the quality of. A good quality wireless monitoring device can not only ensure the stable transmission of the video signal, but also has good anti-interference ability, so that the signal is protected from electromagnetic wave interference during transmission. To prevent the image from appearing stuck, sometimes there is no occurrence of the phenomenon. Therefore, in the entire wireless monitoring system, the quality of the wireless monitoring equipment is a top priority.
2, the quality of the camera itself: digital network cameras are now more than the application of the wireless surveillance industry cameras, compared with traditional analog cameras, digital network camera resolution, resolution, lens quality and system adaptability to low ambient illumination Are relatively high. However, it is worth noting that the cameras with higher definition will have higher requirements on the bandwidth of wireless monitoring devices. Therefore, it should be considered comprehensively.
3, the quality of the transmission cable: In the wireless monitoring system, although the need to connect the cable is very small, but each link is very important, so it can not be used poor quality cable or network cable instead. Tengyuan Jituo recommends that wireless monitoring equipment use ultra-five or more types of network cable to transmit, so as to ensure that the front-end image quality is transmitted without attenuation to the monitoring center, thus ensuring the stability of the video signal.
4, the impact of voltage on image quality: voltage instability will also affect the wireless monitoring system picture, if the voltage is not stable, not only will make the image appear water ripple phenomenon. It also affects the lifetime of the entire wireless monitoring device.
5, the impact of the switch on image quality: Many people think that the switch is only a data exchange function, it is possible to randomly equipped with the switch, without considering the switch itself configuration. In fact, this idea is wrong. If the data collected by the front-end camera is relatively large, the backplane bandwidth and the packet forwarding rate of the general switch will not meet the transmission requirements. After a certain period of time, data congestion will occur, resulting in the failure to receive data. The phenomenon of signal to the front end.
The above is the analysis of the factors affecting the image quality of the wireless monitoring system. Tengyuan Jituo technicians will design a set of the most suitable wireless transmission scheme for the user according to the actual situation and requirements of the user to ensure the high-definition and stable transmission of video images. .
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