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type="text/css"></style> <div id="ct" class="ct2 wp cl"> <div class="mn"> <div class="bm_haa cl"> <div class="bm_h cl"> <a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a><h1 class="xs2">文章</h1> </div></div> <div class="kjkjb"> <div class="bm vw" style="margin-bottom:0;"> <div class="h hm"> <div class="zxtoux"><img src="http://www.oecr.com/uc_server/avatar.php?uid=54876&size=small" /></div> <h1 class="ph">光测领域新突破 激光多普勒多点同步测量 </h1> <p class="xg1"> 时间：2016-2-24 14:58<a class="zz" href="home.php?mod=space&uid=54876">作者：update</a> 阅读<em id="_viewnum">(1454)</em> 评论: <a href="http://www.oecr.com/portal.php?mod=comment&id=4075&idtype=aid" title="查看全部评论"><em id="_commentnum">5</em></a></p> <div class="zxfb" ><a href="http://www.oecr.com/portal.php?mod=rss&catid=61" class="y xi2 rss" target="_blank" title="RSS">订阅</a></div> </div> <!--[diy=diysummarytop]--><div id="diysummarytop" class="area"></div><!--[/diy]--> <div class="s"> <div class="ss"><div><span>导读： </span>拥有十多年深厚技术的HoloBright公司，一直致力于开发出世界前沿的激光测振仪（LDV）,以解决业界振动测量的各种技术难题，他们在多年研究的基础上推迟新型多点激光测振系统，可以实现多达16点的同步测动测量，测量点 ...</div> </div> <!--[diy=diysummarybottom]--><div id="diysummarybottom" class="area"></div><!--[/diy]--> <div class="d"> <!--[diy=diycontenttop]--><div id="diycontenttop" class="area"></div><!--[/diy]--> <table cellpadding="0" cellspacing="0" class="vwtb"><tr><td id="article_content"><div><br></div><div><br></div><div><p><a href="data/attachment/portal/201602/24/153218nzdm7idd4dm4tmjr.png" target="_blank"><img src="data/attachment/portal/201602/24/153218nzdm7idd4dm4tmjr.png"></a></p></div>我们都知道，<span style="line-height: 25.2px;">振动的多点同步非接触式<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测量</a>一直是光测领域的难题</span>，在振动测量运用方面，主要是以<a href="http://laser.oecr.com" target="_blank" class="relatedlink">激光</a>多普勒干涉仪为主，而市场几乎所有的激光干涉仪都只能进行单点测量，为了得到二维的振型，多采用扫描的方式进行测量，这种方式只能用于稳态振动的测量，<u>而在实际运用中存在大量瞬态的或者耦合的振动，这些振动的测量是扫描的方法无法做到的，那有没办法解决这个问题呢</u>？答案当然是有的。<div><br><div> 拥有十多年深厚技术的HoloBright公司，一直致力于开发出世界前沿的激光测振仪（LDV）,以解决业界振动测量的各种技术难题，他们在多年研究的基础上推迟新型多点激光测振系统，可以实现多达16点的同步测动测量，测量点数可以根据实际需求进行调整，同步性最高可达6.6ns，这项技术已经申请了专利，多点同步测量技术是目前光测领域的一项重大突破。这项技术运用了最新FPGA处理器进行数字解调，相比市场上的主流德国<a href="http://b.oecr.com/sell" target="_blank" class="relatedlink">产品</a>，在测量精度，分辨率和实用性上都有实质性的提高。<span style="line-height: 1.8em;">更多产品信息，可咨询南京光研武汉事业部027-87614273.</span></div><div><br></div><div>随着激光测量技术的不断进步，激光多普勒测震仪的应用范围也越来越广泛，如：</div><div><br></div><div><div><b>航空航天工业</b></div><div><p><a href="data/attachment/portal/201602/24/152903vyiaio41y1r5d1a1.png" target="_blank"><img src="data/attachment/portal/201602/24/152903vyiaio41y1r5d1a1.png"></a></p></div><div>结构<a href="http://opticaltest.oecr.com" target="_blank" class="relatedlink">测试</a>是航空航天产品设计和<a href="http://optics.oecr.com" target="_blank" class="relatedlink">加工</a>过程中的重要一环。这个领域的产品更注重性能，质量和可靠性。激光多普勒测振仪常运用于产品的地面振动测试，<a href="http://material.oecr.com" target="_blank" class="relatedlink">材料</a>的疲劳试验以及噪声和振动的分析和控制。</div><div><br></div><div><b>汽车工业</b></div><div><p><a href="data/attachment/portal/201602/24/152902pspl2m0np99bzrm8.png" target="_blank"><img src="data/attachment/portal/201602/24/152902pspl2m0np99bzrm8.png"></a></p></div><div>光学振动测量系统已被广泛的应用于汽车行业，例如监测结构动力学，制动诊断和噪音，振动的定量。</div><div><br></div><div><b>硬盘诊断</b></div><div><p><a href="data/attachment/portal/201602/24/152903klbdbbr2rhi3i9vl.png" target="_blank"><img src="data/attachment/portal/201602/24/152903klbdbbr2rhi3i9vl.png"></a></p></div><div>光学振动测量系统已被广泛的应用在硬盘驱动器的分析，特别是对读写磁头的分析。</div><div><br></div><div><b>微米和<a href="http://material.oecr.com" target="_blank" class="relatedlink">纳米</a>机构分析</b></div><div><p><a href="data/attachment/portal/201602/24/152904w0k6v7szzzvzksmp.png" target="_blank"><img src="data/attachment/portal/201602/24/152904w0k6v7szzzvzksmp.png"></a></p></div><div>结合显微镜，光学振动测量系统已成功的用于评估微米和纳米结构的动态行为，例如微<a href="http://electronic.oecr.com" target="_blank" class="relatedlink">电子</a><a href="http://machine.oecr.com" target="_blank" class="relatedlink">机械</a>系统（MEMS）组件的分析。多点多普勒测振系统可以在显微镜下提供纳米精度的系统动态响应分析以及100MHz以上的动态频谱分析。</div><div><br></div><div><b>土木工程结构分析</b></div><div><p><a href="data/attachment/portal/201602/24/152903f1f7uu70m1pnyycc.png" target="_blank"><img src="data/attachment/portal/201602/24/152903f1f7uu70m1pnyycc.png"></a></p></div><div>机械及土木工程领域也使用激光多普勒测振仪进行结构动态分析和无损探伤。这些应用包括风力发电机，桥梁和建筑物的振动监测。</div><div><br></div><div><b><a href="http://medicine.oecr.com" target="_blank" class="relatedlink">医疗</a>保健</b></div><div><p><a href="data/attachment/portal/201602/24/152903pf6hh2fu49sr6mbg.png" target="_blank"><img src="data/attachment/portal/201602/24/152903pf6hh2fu49sr6mbg.png"></a></p></div><div>光学振动测量系统可以协助诊断耳膜以及对中耳和内耳的研究。另外，该系统已被用来测量人工心脏的振动，肌腱的机械性能，骨头钻孔的振动分析以及医疗激光切除和骨裂的传播探测。</div><div><b>质量控制</b></div><div><p><a href="data/attachment/portal/201602/24/152904rhmbtz3bm3kltvb3.png" target="_blank"><img src="data/attachment/portal/201602/24/152904rhmbtz3bm3kltvb3.png"></a></p></div><div>先进的激光测振仪还可以广泛应用于产品质量在线检测，如在切削工具的振动控制和机械制造中的质量控制中。</div></div><div style="text-align: center;"><p><a href="data/attachment/portal/201602/24/152451gnlh6ilg1i1j61ji.jpg" target="_blank"><img src="data/attachment/portal/201602/24/152451gnlh6ilg1i1j61ji.jpg"></a></p><p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋体;font-size:10.5000pt;mso-font-kerning:0.0000pt;">欢迎关注光电<a href="http://news.oecr.com" target="_blank" class="relatedlink">资讯</a>微信公众号，每天将由光电工程师<a href="http://club.oecr.com" target="_blank" class="relatedlink">社区</a>网站(oecr.com)编辑团队为您精选行业动态，科技资讯，技术解析，光电<a 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