The use of HD IP Camera trick

The use of HD IP Camera trick
With the rapid development of science and technology, HD IP Camera has become increasingly popular, functional and image clarity is also clearer. As the top three security brands in North America, Chile Metroplex, the development of HD IP Camera is its extremely important directions. Following on from the technical staff for HD IP Camera how to use are introduced.
HD network camera installation and commissioning
In the daily video security projects, high-definition cameras and surveillance cameras ordinary household installation and commissioning is basically the same, but must pay attention to good lens optional, because the poor quality of the lens, or bad option, will largely affect the clarity of the screen, such as infrared night vision camera system best selection of infrared camera, and 1/3 inch CCD generally equipped with 1/3 inch lens, 1/2 inch CCD generally equipped with a 1/2 inch lens, installation and commissioning, commissioning must focus the lens a good tune, especially the back focal plane of the camera to be aligned, often focusing lens can cause image blur unclear, reach high-definition requirements. Another shield the camera can not be ignored, gun-type glass can not shield the distal end of the normal glass, but must use the good optical glass, the glass of the image generally has a very powerful weakened resolving effect, the choice Ball casing should note that the spherical curvature to smooth the transition, it is best not to the camera lens at the upper edge of the shell, where the refractive power of light is large, even seriously affect the image sharpness. It is important that no matter what kind of cover, the best light as low as possible within the enclosure, the lens to cover the distance as short as possible, so make front of the camera to minimize light pollution, help to improve the image clarity.
In addition to HD IP Camera attached to the tip and the selection must be noted, also must have a transmission system, the intermediate system and terminal display system can be achieved with the use of high-resolution actual results.
On the transmission system, the transmission of video images will generally choose coaxial cable, twisted pair, UTP cable (ie, network transmission), radio transmission, cable transmission, etc., regardless of the manner in which transfer, you must transfer the image from the front to-back in the entire system bandwidth of each looping> 6M, so as to ensure high-resolution image to achieve the requirements and comply with anti-technology engineering and testing is requested. Under normal circumstances coaxial cable over 150 meters or 200 meters, the image quality will be significantly decreased, which is due to the characteristics of the coaxial cable itself, it must take all measures to ensure that their end bandwidth is not less than 6M, if necessary, to give extra Video compensation amplifier to solve general video amplifier plays a minor role. The indicators should ensure that the compensation amount of high-frequency compensation, frequency characteristics, SNR, common mode rejection ratio, differential phase distortion, crosstalk delay, width chroma gain and so reached the relevant cable loss or attenuation caused defects are compensated into the system in order to ensure a high-definition image.
Currently, as copper prices are rising, the video image using fiber optic cable transmission costs continue to decline in the longer transmission distances or multiple images, the use of optical fiber transmission may well staffed programs are widely used. Since cable bandwidth, attenuation, high noise immunity, small size, strong security features, image transmission can be well assured of the indicators. When using other ways to transfer images, you must also ensure that the channel bandwidth. High-resolution images also must rely on good terminal display device to show in front of people's vision, it is the best choice for progressive scan monitor. Because in actual use interlaced monitor image flicker serious, it could produce visual fatigue. If the low-resolution monitor overall clarity is also not up to the requirements. Because the monitor's resolution by the monitor, the video channel bandwidth and CRT dot pitch, will be at the decision. According to statistics, the channel bandwidth and clarity between the theoretical upper limit for the 1M/80 line translated around, if more considered high definition
In line with the use of high-definition Network Camera, intermediate processing equipment, including matrix, DVR, video server, video encoder, etc. are all kinds must meet the requirements of bandwidth and image compression, to make high-definition camera to its full intrinsic effect. Rely on the use of high-definition Network Camera while ignoring other ancillary equipment used is not up to the real purpose.
Therefore, in complete security surveillance system, HD IP Camera plays a very important role, so buy HD IP Camera must be comprehensive consideration before use must consult relevant experts, so as to the correct use of monitoring systems .
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