【科普系列】你有掌握安防基础知识的freestyle吗？
<section style="background-color: rgb(255, 255, 255); box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin: 10px 0%;box-sizing: border-box; "><section class="" style="display: inline-block; vertical-align: top; width: 20%; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 0.5em; margin-bottom: 0.5em; text-align: center;box-sizing: border-box; "><section class="" style="width: 2em; margin: auto; display: inline-block; box-sizing: border-box;"><section class="" style="display: inline-block; vertical-align: top; padding-top: 3px; padding-bottom: 3px; background-color: rgb(125, 106, 96); color: rgb(255, 255, 255); font-size: 18px; box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">安防名词</strong></p></section><section style="display: inline-block; vertical-align: top; border-left: 1em solid rgb(125, 106, 96); border-top: 0.5em solid rgb(125, 106, 96); border-right: 1em solid transparent !important; border-bottom: 0.5em solid transparent !important; box-sizing: border-box;"></section><section class="" style="display: inline-block; vertical-align: top; margin-top: -10px; font-size: 18px; color: rgb(123, 150, 105); box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">第一站</strong></p></section></section></section></section></section><section class="" style="display: inline-block; vertical-align: top; width: 80%; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-right: 0%; margin-bottom: 10px; margin-left: 0%; text-align: center;box-sizing: border-box; "><section class="" style="display: inline-block; width: 100%; height: 3em; line-height: 3.2em; background-image: url("http://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq4pibHC0uXWwVoP9MjCrrmQAqAgm8MZqqeNBJnQj2BfluwwdLOtyGeMVHEpQa8LUsJTohOMyrrYXYA/0?wx_fmt=png"); background-position: 50% 50%; background-repeat: no-repeat; background-size: cover; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="font-size: 18px; color: rgb(40, 38, 38); opacity: 0.77; box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">安防名词知多少</strong></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="text-align: left; box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" margin-top: 10px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="text-align: justify; font-size: 14px; color: rgb(40, 38, 38); line-height: 1.5; padding-right: 10px; padding-left: 10px; letter-spacing: 1px; box-sizing: border-box;"><p style="white-space: normal; box-sizing: border-box;">第一站，安防名词的简单介绍<br style="box-sizing: border-box;"></p><p style="white-space: normal; box-sizing: border-box;">第二站，前后端监控的典型应用</p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="display: inline-block; width: 100%; vertical-align: top; border-style: solid; border-width: 1px; border-radius: 0px; border-color: rgb(24, 54, 118); padding: 10px; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" transform: translate3d(0px, 0px, 0px); margin-top: -30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="font-size: 18px; color: rgb(95, 156, 239); box-sizing: border-box;"><p style="box-sizing: border-box;"><span style="background-color: rgb(254, 255, 255); box-sizing: border-box;"><em style="box-sizing: border-box;"><strong style="box-sizing: border-box;">光学成像</strong></em></span></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="font-size: 13px; color: rgb(40, 38, 38); text-align: justify; line-height: 1.8; box-sizing: border-box;"><p style="white-space: normal; box-sizing: border-box;"><span style="letter-spacing: 0px; box-sizing: border-box;">光学成像器件主要是镜头和感光器件，感光器件主要分为CCD（电荷耦合器件）和CMOS（互补金属氧化物半导体）。</span></p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="display: inline-block; width: 100%; vertical-align: top; border-style: solid; border-width: 1px; border-radius: 0px; border-color: rgb(24, 54, 118); padding: 10px; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" transform: translate3d(0px, 0px, 0px); margin-top: -30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="font-size: 18px; color: rgb(95, 156, 239); box-sizing: border-box;"><p style="box-sizing: border-box;"><span style="background-color: rgb(254, 255, 255); box-sizing: border-box;"><em style="box-sizing: border-box;"><strong style="box-sizing: border-box;">像素</strong></em></span></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="font-size: 13px; color: rgb(40, 38, 38); text-align: justify; line-height: 1.8; box-sizing: border-box;"><p style="white-space: normal; box-sizing: border-box;"><span style="letter-spacing: 0px; box-sizing: border-box;">像素(Pixel)是图像元素（Picture element）的简称。一个像素是指通过该部件系统的电信号所能勾画出的电视图像的最小面积。</span></p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="display: inline-block; width: 100%; vertical-align: top; border-style: solid; border-width: 1px; border-radius: 0px; border-color: rgb(24, 54, 118); padding: 10px; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" transform: translate3d(0px, 0px, 0px); margin-top: -30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="font-size: 18px; color: rgb(95, 156, 239); box-sizing: border-box;"><p style="box-sizing: border-box;"><span style="background-color: rgb(254, 255, 255); box-sizing: border-box;"><em style="box-sizing: border-box;"><strong style="box-sizing: border-box;">分辨率</strong></em></span></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="font-size: 13px; color: rgb(40, 38, 38); text-align: justify; line-height: 1.8; box-sizing: border-box;"><p style="white-space: normal; box-sizing: border-box;"><span style="letter-spacing: 0px; box-sizing: border-box;">分辨率是衡量图像细节表现力的技术参数，通常以横向和纵向点的数量来衡量的，呈现形式为水平点数X垂直点数。在一个固定的平面内，分辨率越高，表示使用的点数越多，图像越细致。</span></p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="display: inline-block; width: 100%; vertical-align: top; border-style: solid; border-width: 1px; border-radius: 0px; border-color: rgb(24, 54, 118); padding: 10px; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" transform: translate3d(0px, 0px, 0px); margin-top: -30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="font-size: 18px; color: rgb(95, 156, 239); box-sizing: border-box;"><p style="box-sizing: border-box;"><span style="background-color: rgb(254, 255, 255); box-sizing: border-box;"><em style="box-sizing: border-box;"><strong style="box-sizing: border-box;">帧率</strong></em></span></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="font-size: 13px; color: rgb(40, 38, 38); text-align: justify; line-height: 1.8; box-sizing: border-box;"><p style="white-space: normal; box-sizing: border-box;"><span style="letter-spacing: 0px; box-sizing: border-box;">时间上连续的图像（Image）组成视频，视频中的某一幅图像称为一帧（Frame）。视频帧率（Frame Rate）是用于测量显示帧数的量度，单位为每秒显示帧数(Frames per Second，简：FPS）或“赫兹”（Hz）。</span></p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="display: inline-block; width: 100%; vertical-align: top; border-style: solid; border-width: 1px; border-radius: 0px; border-color: rgb(24, 54, 118); padding: 10px; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" transform: translate3d(0px, 0px, 0px); margin-top: -30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="font-size: 18px; color: rgb(95, 156, 239); box-sizing: border-box;"><p style="box-sizing: border-box;"><span style="background-color: rgb(254, 255, 255); box-sizing: border-box;"><em style="box-sizing: border-box;"><strong style="box-sizing: border-box;">码流</strong></em></span></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="font-size: 13px; color: rgb(40, 38, 38); text-align: justify; line-height: 1.8; box-sizing: border-box;"><p style="white-space: normal; box-sizing: border-box;">码流（Bit Stream）指将图像压缩后形成的数据，码率是对码流进行量化，码流的类型有视频流、音频流、复合流（即一段码流中即包含视频码流又包含音频码流）。</p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="display: inline-block; width: 100%; vertical-align: top; border-style: solid; border-width: 1px; border-radius: 0px; border-color: rgb(24, 54, 118); padding: 10px; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" transform: translate3d(0px, 0px, 0px); margin-top: -30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="font-size: 18px; color: rgb(95, 156, 239); box-sizing: border-box;"><p style="box-sizing: border-box;"><span style="background-color: rgb(254, 255, 255); box-sizing: border-box;"><em style="box-sizing: border-box;"><strong style="box-sizing: border-box;">视频编码压缩 </strong></em></span></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="font-size: 13px; color: rgb(40, 38, 38); text-align: justify; line-height: 1.8; box-sizing: border-box;"><p style="white-space: normal; box-sizing: border-box;"><span style="letter-spacing: 0px; box-sizing: border-box;">视频编码压缩基于运算处理芯片，常见的视频编码芯片有DSP和ASIC。常见的视频编码方式有MPEG-1、MPEG-2、MPEG-4、H.264、H.265等。</span></p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin: 10px 0%;box-sizing: border-box; "><section class="" style="display: inline-block; vertical-align: top; width: 80%; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 0.5em; margin-bottom: 0.5em; text-align: center;box-sizing: border-box; "><section class="" style="display: inline-block; width: 100%; height: 3em; line-height: 3.2em; background-image: url("http://mmbiz.qpic.cn/mmbiz_png/p8CaKzvQibq4pibHC0uXWwVoP9MjCrrmQAqAgm8MZqqeNBJnQj2BfluwwdLOtyGeMVHEpQa8LUsJTohOMyrrYXYA/0?wx_fmt=png"); background-position: 50% 50%; background-repeat: no-repeat; background-size: cover; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="font-size: 18px; color: rgb(40, 38, 38); box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">新视觉，新世界</strong></p></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" margin: 10px 0%;box-sizing: border-box; "><section class="" style="font-size: 13px; color: rgb(40, 38, 38); text-align: justify; line-height: 1.6; letter-spacing: 1px; padding-right: 10px; padding-left: 10px; box-sizing: border-box;"><p style="white-space: normal; box-sizing: border-box;">DVR（Digital Video Recorder）主要完成模拟视音频信号的编码压缩、存储、预览及回放。</p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" text-align: center; margin-top: 10px; margin-bottom: 10px;box-sizing: border-box; "></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="font-size: 14px; box-sizing: border-box;"><p style="box-sizing: border-box;">NVR（Net Video Recorder）主要功能是完成网络视音频信号的接入与数据的集中存储，实现预览、检索与回放等功能。</p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" text-align: center; margin-top: 10px; margin-bottom: 10px;box-sizing: border-box; "></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="box-sizing: border-box;"><p style="box-sizing: border-box;"><br style="box-sizing: border-box;"></p></section></section></section><section class="Powered-by-XIUMI V5" style="box-sizing: border-box;" powered-by="xiumi.us"><section class="" style=" box-sizing: border-box; "><section class="" style="font-size: 14px; box-sizing: border-box;"><p style="box-sizing: border-box;">目前应用的场景较为广泛的XVR，由于对接的型号类型较多，康康准备整个专题跟大家讲讲，未完待续，下期见</p></section></section></section></section><section class="" style="display: inline-block; vertical-align: top; width: 20%; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 0.5em; margin-bottom: 0.5em; text-align: center;box-sizing: border-box; "><section class="" style="width: 2em; margin: auto; display: inline-block; box-sizing: border-box;"><section class="" style="display: inline-block; vertical-align: top; padding-top: 3px; padding-bottom: 3px; background-color: rgb(125, 106, 96); color: rgb(255, 255, 255); font-size: 18px; box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">基础应用</strong></p></section><section style="display: inline-block; vertical-align: top; border-right: 1em solid rgb(125, 106, 96); border-top: 0.5em solid rgb(125, 106, 96); border-left: 1em solid transparent !important; border-bottom: 0.5em solid transparent !important; box-sizing: border-box;"></section><section class="" style="display: inline-block; vertical-align: top; margin-top: -10px; font-size: 18px; color: rgb(123, 150, 105); box-sizing: border-box;"><p style="box-sizing: border-box;"><strong style="box-sizing: border-box;">第二站</strong></p></section></section></section></section></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin: 60px 0% 10px;box-sizing: border-box; "> <section class="" style="margin-top: -1.5em; margin-bottom: -1.5em; padding-left: 10px; padding-right: 10px; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin: 5px 0%; transform: translate3d(0px, 0px, 0px); -webkit-transform: translate3d(0px, 0px, 0px); -moz-transform: translate3d(0px, 0px, 0px); -o-transform: translate3d(0px, 0px, 0px); text-align: center;box-sizing: border-box; "><section class="" style="display: inline-block; width: 95%; border-width: 1px; border-style: solid; border-color: transparent; padding: 10px; background-color: rgb(231, 226, 219); box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin: -85px 0% 10px; font-size: 27px; transform: translate3d(0px, 0px, 0px); -webkit-transform: translate3d(0px, 0px, 0px); -moz-transform: translate3d(0px, 0px, 0px); -o-transform: translate3d(0px, 0px, 0px);box-sizing: border-box; "><section class="" style="width: 5em; height: 5em; margin: auto; padding: 8px; border-radius: 100%; box-shadow: rgb(204, 204, 204) 0px 5px 5px; background-color: rgb(255, 255, 255); box-sizing: border-box;"><section class="" style="width: 100%; height: 100%; border-radius: 100%; background-image: url("https://neice.26x.net/UploadFile/common/wechat//2023/02-19/ecf4907f-6813-471a-917b-c2402e832bf5.png"); background-position: center center; background-repeat: no-repeat; background-size: cover; box-sizing: border-box;"><section class="" style="width: 100%; height: 100%; overflow: hidden; box-sizing: border-box;"></section></section></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="display: inline-block; vertical-align: top; width: 40%; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-right: 0%; margin-left: 0%;box-sizing: border-box; "></section></section></section><section class="" style="display: inline-block; vertical-align: top; width: 60%; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: -5px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "> <section class="" style="padding: 0.5em; box-sizing: border-box;"><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" margin-top: 10px; margin-bottom: 10px;box-sizing: border-box; "></section></section></section> </section></section></section><section class="" style="clear: both; box-sizing: border-box;"></section></section></section><section class="Powered-by-XIUMI V5" style=" box-sizing: border-box; " powered-by="xiumi.us"><section class="" style=" transform: translate3d(0px, 0px, 0px); margin-top: 30px; margin-right: 0%; margin-left: 0%;box-sizing: border-box; "><section class="" style="text-align: left; color: rgb(42, 52, 58); font-size: 14px; box-sizing: border-box;"><p style="clear: none; box-sizing: border-box;"><strong style="box-sizing: border-box;">今天的知识点大家学会了吗？产品选型、售前咨询，请下载我们的海康经销app软件哦~</strong></p></section></section></section></section></section></section></section> <section class="" style="clear: both; box-sizing: border-box;"></section></section></section></section><p><br></p>
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