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	<title>专注福禄克测试仪销售与技术 &#187; WLAN现场勘察注意事项之五</title>
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		<title>WLAN现场勘察注意事项之五 -Airmagnet Survey PRO</title>
		<link>http://www.faxytech.com/archives/wlan-5.html</link>
		<comments>http://www.faxytech.com/archives/wlan-5.html#comments</comments>
		<pubDate>Wed, 25 Oct 2017 10:01:57 +0000</pubDate>
		<dc:creator>深圳连讯</dc:creator>
				<category><![CDATA[技术专栏]]></category>
		<category><![CDATA[AirMagnet Survey Pro]]></category>
		<category><![CDATA[WLAN现场勘察注意事项之五]]></category>

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		<description><![CDATA[NETSCOUT AirMagnet Survey Pro 可以利用现场勘查收集回来的数据通过不同种类的热图（Heat Map）呈现。热图的主要作用是让使用者能直观地了解及分析现场收集的数据。现在让我们看一下 NETSCOUT AirMagne... ]]></description>
			<content:encoded><![CDATA[<p><span class='wp_keywordlink'><a href="http://www.faxytech.com/netscout/" title="NETSCOUT">NETSCOUT</a></span> <span class='wp_keywordlink'><a href=" http://www.faxytech.com/archives/airmagnet-survey.html " title="福禄克Fluke AirMagnet Survey艾尔麦无线测试仪">AirMagnet Survey</a></span> Pro 可以利用现场勘查收集回来的数据通过不同种类的热图（Heat Map）呈现。热图的主要作用是让使用者能直观地了解及分析现场收集的数据。现在让我们看一下 NETSCOUT <span class='wp_keywordlink'><a href="http://www.faxytech.com/products/testers/airmagnet" title="AirMagnet ">AirMagnet </a></span>Survey Pro?的热图种类。NETSCOUT <span class='wp_keywordlink_affiliate'><a href="http://www.faxytech.com/tag/airmagnet-survey-pro" title="查看 AirMagnet Survey Pro 的全部文章" target="_blank">AirMagnet Survey Pro</a></span>?可按照以下参数显示相关的热图：信号强度、噪声水平、信噪比、信道干扰、预测性的 PHY 数据速率、频谱、802.11n/ 802.11ac、802.11ac 的信号重叠、AP?的操作模式和信道频带。</p>
<p><strong>WLAN现场勘察利器</strong></p>
<p><a href="http://www.faxytech.com/wp-content/uploads/2017/10/Airmagnet-Survey-PRO-1.jpg" class="highslide-image" onclick="return hs.expand(this);"><img class="alignnone size-full wp-image-9347" title="Airmagnet Survey PRO-1" src="http://www.faxytech.com/wp-content/uploads/2017/10/Airmagnet-Survey-PRO-1.jpg" alt="" width="512" height="322" /></a></p>
<p><em><strong>选择热图种类的下拉菜单</strong></em></p>
<ul>
<li>信号强度热图 – 可以显示在不同的位置可以接收到的头3位信号最强 AP 的信号强度，并以不同的颜色来显示其 dBm?值。比较每个位置所能接收到的头3个最强 AP 信号强度对于了解各 AP?在各位置的信号重叠覆盖非常重要。信号重叠覆盖对语音应用非常重要。</li>
</ul>
<p><a href="http://www.faxytech.com/wp-content/uploads/2017/10/Airmagnet-Survey-PRO-2.jpg" class="highslide-image" onclick="return hs.expand(this);"><img class="alignnone size-full wp-image-9348" title="Airmagnet Survey PRO-2" src="http://www.faxytech.com/wp-content/uploads/2017/10/Airmagnet-Survey-PRO-2.jpg" alt="" width="512" height="323" /></a></p>
<p><em><strong>AP信号强度热图</strong></em></p>
<ul>
<li>噪声水平 及 信噪比热图 – 噪声水平热图显示在不同位置所接收到的噪声水平 （以dBm 为单位）。噪声水平热图和信噪比热图可以让我们了解噪声对 Wi-Fi 性能影响的严重性。</li>
</ul>
<p><a href="http://www.faxytech.com/wp-content/uploads/2017/10/Airmagnet-Survey-PRO-3.jpg" class="highslide-image" onclick="return hs.expand(this);"><img class="alignnone size-full wp-image-9349" title="Airmagnet Survey PRO-3" src="http://www.faxytech.com/wp-content/uploads/2017/10/Airmagnet-Survey-PRO-3.jpg" alt="" width="512" height="322" /></a></p>
<p><em><strong>噪音水平热图</strong></em></p>
<ul>
<li>信道干扰热图 – 显示同信道干扰的严重性。热图把同信道干扰的严重性划分为 0?到 100（100?为最严重）。</li>
</ul>
<p><a href="http://www.faxytech.com/wp-content/uploads/2017/10/Airmagnet-Survey-PRO-4.jpg" class="highslide-image" onclick="return hs.expand(this);"><img class="alignnone size-full wp-image-9350" title="Airmagnet Survey PRO-4" src="http://www.faxytech.com/wp-content/uploads/2017/10/Airmagnet-Survey-PRO-4.jpg" alt="" width="512" height="324" /></a></p>
<p><em><strong>同信道干扰热图</strong></em></p>
<p>&nbsp;</p>
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