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href="/news/">新闻信息</a> > 详细内容 </div> </div> <div class="JScpzs_cont"> <!--pages内容--> <div class="detail"> <div class="content"> <h3>【图文】频谱分析A百U?信号发生器h?/h3> <h6>来源Q?a >http://www.suinyq.com/news/483.html</a></h6> <h6>发布旉Q?022-12-17</h6> <div class="public" id="zoom"> <p style="line-height:24px;">生活中的很多行业的发展与<b><a target="_blank" style="font-weight:bold">直流E_甉|</a></b>都是M开的,有时候一些行业所在的领域都有自己的品牌,今天q地给大家介绍一?a target="_blank">矛_庄数׃A器有限公?/a><p style="text-indent:2em;">频谱分析仪小译֠开译֕Q?/p><p style="text-indent:2em;">频谱分析仪是研究电信号频q构的仪器Q用于信号失真度、调制度、谱U度、频率稳定度和交调失真等信号参数的测量,可用以测量放大器和o波器{电路系l的某些参数Q是一U多用途的电子量仪器。它又可UCؓ频域CL器、跟t示波器、分析示波器、谐波分析器、频率特性分析A或傅里叶分析仪等。现代频谱分析A能以模拟方式或数字方式显C分析结果,能分?赫以下的甚低频到亚毫cxLD늚全部无线电频D늚电信受A器内部若采用数字电\和微处理器,h存储和运功能;配置标准接口Q就Ҏ构成自动试pȝ?/p><p style="text-indent:2em;">频谱分析pȝ主要的功能是在频域里昄输入信号的频q性。频谱分析A依信号处理方式的不同Q一般有两种cdQ即旉谱分析AQReal-Time Spectrum AnalyzerQ与扫描调谐频谱分析仪(Sweep-Tuned Spectrum Analyzer).x频率分析仪的功能为在同一瞬间昄频域的信hq,其工作原理是针对不同的频率信可频谱分析A有相对应的o波器与检知器QDetector)Q再l由同步的多工扫描器信号传送到CRT或液晶等昄仪器上进行显C,其优Ҏ能显C周期性杂散LQPeriodic Random WavesQ的瞬间反应Q其~点是h昂且性能受限于频宽范_滤L器的数目与最大的多工交换旉QSwitching Time).最常用的频谱分析A是扫描调谐频谱分析AQ其基本l构cM外差式接收器,工作原理是输入信L衰减器直接外加到hL器,可调变的本地振荡器经与CRT同步的扫描生器产生随时间作U性变化的振荡频率Q经hL器与输入信号hL降频后的中频信号QIFQ再攑֤Qo波与波传送到CRT的垂直方向板Q因此在CRT的纵轴显CZhq与频率的对应关pR较低的RBW固然有助g同频率信L分L与量,低的RBWo除较高频率的信号成䆾Q导致信hC时产生qQ失真g讑֮的RBW密切相关Q较高的RBW固然有助於宽频带信号的侦,增加杂讯底层|Noise FloorQ,降低量测灉|度,Ҏ侦测低强度的信号易生阻用,使用h更方便因此适当的RBW宽度是正用频谱分析A重要的概c?/p><p style="text-indent:2em;"></p><p style="text-indent:2em;"> <span style="color:#FF0000;">您或许感兴趣的文章:</span> </p> <p> <br /> </p><p style="text-indent:2em;">之前编已将向大家介l过信号发生器了Q想必大家对信号发生器都有了一定的了解Q那么了解之后问题来了,信号发生器的hq个问题又被提上议程来了Q小~今天就带大家一h了解一下信号发生器的h|惌了解的快点听讲啦Q?/p><p style="text-indent:2em;">信号发生器是一U能提供各种频率、L形和输出电^电信L讑֤。在量各种电信pȝ或电信设备的振幅Ҏ、频率特性、传输特性及其它电参数时Q以及测量元器g的特性与参数Ӟ用作试的信h或激励源?/p><p style="text-indent:2em;">矛_庄数׃A器有限公司是一家专业从事信号发生器销售的公司Q原矛_庄市无线电四厂)Q凭借先q的讑֤以及优良的服务在业界q受好评Q提供最新的信号发生器报价咨询,详情可联pL们或持箋x我们官网Q数׃A器,让信号发壎ͼ</p>以上所介绍的几点就是有关“石家庄<b>信号发生器h?/b>”的Q相信看了本文的介绍后,对这斚w也会有自q一番认识,以后针对<a target="_blank">直流E_甉|</a>{问题也能很好的解决。在q里Q我们推荐您多了解直稳定电源、石家庄数英仪器有限公司{有关的讯息Q希望对您有所帮助Q?/p> </div> <p><div>上一?<a href="484.html">沉痛哀悼李天初院士</a></div> <div>下一?<a href="482.html">【图文】哪里有卖信号发生器?矛_庄直稳定电源{换器</a></div> </p> </div> <div class="left"> <div class="function">【相x{】:<a href='/key.aspx?k=%e4%bf%a1%e5%8f%b7'>信号</a>,<a href='/key.aspx?k=%e5%88%86%e6%9e%90'>分析</a>,<a href='/key.aspx?k=%e9%a2%91%e8%b0%b1'>频谱</a>,<a href='/key.aspx?k=%e9%a2%91%e7%8e%87'>频率</a>,<a href='/key.aspx?k=%e6%98%be%e7%a4%ba'>昄</a>,</div> </div> <div class="clearit"></div> <div class="commend_tit"> <h2>相关新闻</h2> </div> <div class="commend_list"> <ul> <li><a href="/news/483.html" target="_blank" title="【图文】频谱分析A百U?信号发生器h?>【图文】频谱分析A百U?信号发生器h?/a></li> <li><a href="/news/477.html" target="_blank" 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