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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】关于频谱分析A 矛_庄直稳定电源{换器</h3> <h6>来源Q?a >http://www.suinyq.com/news/444.html</a></h6> <h6>发布旉Q?021-12-05</h6> <div class="public" id="zoom"> <p style="line-height:24px;"><a target="_blank">矛_庄数׃A器有限公?/a>是一家在<b><a target="_blank" style="font-weight:bold">直流E_甉|</a></b>较ؓ专业的的公司Q所在领域也是相当突出的Q今天我们可以来了解一下该公司的详l内?<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频谱,频谱分析仪概q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:#0020FF;">更多人喜Ƣ:</span> </p><p style="text-indent:2em;"> 在过ȝ几个月里Q由于电信业的推动,<a target="_blank">直流E_甉|</a>转换器供需先后出现了增ѝ但各家公司对hD势意见不一?/p><p style="text-indent:2em;"> 在中国大陆,1999q的d场需求ؓ30亿美元,预计?004q将辑ֈ50亿美元。现在市场的d产品是小型和中型功率的直电源{换器Q但刉商认ؓ在未来几q内高密度和低电压品将会成Z?/p><p style="text-indent:2em;"> 在台湾,׃直流甉|转换器的不断升和新型号的推出,在市场需求和生能力上也出现大的增ѝ新推出的品主要是为电信应用而设计的Q具有小型和高效的特性?/p><p style="text-indent:2em;"> 在香港,大多C品用于音频设备,但生产商也在开发用于电信的器g。在设计上,重点在于安全Ҏ、改q型产品?/p><p style="text-indent:2em;"> 在日本,机、通讯讑֤和便携式信息直流甉|转换器设计的型号正广受欢q。预计这一势会持箋Q各家公司正在努力开发节省空间、高效和低成本的型号?/p><p style="text-indent:2em;"> 印度的市场预期也会出现正增长。直电源{换器预计集中在产业U的型号?/p><p style="text-indent:2em;"> 据以上可知,直流甉|转换器两个发展方向:型化;高效率?/p>以上是关于“直稳定电源{换器”的单介l,我们公司q有直流E_甉|、石家庄数英仪器有限公司{诸多相关品,如果您比较感兴趣Q可以跟我们联系获取更多详细资料Q?/p> </div> <p><div>上一?<a href="445.html">【图文】实现直稳定电源的同步输出需要做些什?直流E_甉|自蝲E_度指的是Q?/a></div> <div>下一?<a href="443.html">手持式信号发生器哪里有卖信号发生器的 什么是E_?/a></div> </p> </div> <div class="left"> <div class="function">【相x{】:<a href='/key.aspx?k=%e5%88%86%e6%9e%90'>分析</a>,<a href='/key.aspx?k=%e4%bf%a1%e5%8f%b7'>信号</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/446.html" target="_blank" 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