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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="jg7ll3k" class="twoCol"><div id="fy3iesi" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_dgyqybwr/">電工儀器儀表</a>?<a href="http://www.cdcfah.com/cp/third-dgyqybwr_glclybib/">功率測量儀表</a>?江蘇PET相位差測量儀質(zhì)量推薦蘇州千宇光學(xué)科技供應(yīng)</p><div id="2b2hno8" class="leftbox clearfix"><h1>江蘇PET相位差測量儀質(zhì)量推薦蘇州千宇光學(xué)科技供應(yīng)</h1><div id="23mlpq7" class="proBig"><div id="7t9klct" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283662138672/3154010.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ygclr3k" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283662138672/3154010.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="s8evw82" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇PET相位差測量儀質(zhì)量推薦,相位差測量儀</p><p><span>***更新：</span>2020-10-10 06:04:07</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kklp8bm" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州千宇光學(xué)科技有限公司</a></p><p><span>聯(lián)系人：</span>密先生</p><p><span>郵箱: </span>cimi@oec-tech.com</p><p><span>電話: </span>18662198664</p><p><span>傳真: </span>0512_69388290</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0512-69388290</p><p><span>地址: </span>蘇州工業(yè)園區(qū)東旺路8號(hào)7B-302室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="gjvmiz2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="b73pg7c" class="box"><p><p> 相位噪聲通常界說為在某-給定偏移頻率處的dBc/Hz值，其中，dBc是以dB為單位的該頻率處功率與總功率的比值。- -個(gè)振蕩器在某一偏移頻率處的相位噪聲界說為在該頻率處1Hz帶寬內(nèi)的信號(hào)功率與信號(hào)的總功率比值。 </p> <p> 相位差 </p> <p> 兩個(gè)頻率相同的溝通電相位的差叫做相位差，或許叫做相差。這兩個(gè)頻率相同的溝通電，可所以兩個(gè)溝通電流，可所以兩個(gè)溝通電壓，可所以兩個(gè)溝通電動(dòng)勢(shì)，也可所以這三種量中的任何兩個(gè)。 </p> <p> 例如研究加在電路上的溝通電壓和經(jīng)過這個(gè)電路的溝通電流的相位差。假如電路是純電阻，那么溝通電壓和溝通電流的相位差等于零。也就是說溝通電壓等于零的時(shí)分，溝通電流也等于零，溝通電壓變到比較大值的時(shí)分，溝通電流也變到比較大值。這種情況叫做同相位，或許叫做同相，江蘇PET相位差測量儀質(zhì)量推薦，江蘇PET相位差測量儀質(zhì)量推薦，江蘇PET相位差測量儀質(zhì)量推薦。假如電路含有電感和電容,溝通電壓和溝通電流的相位差一般是不等于零的，也就是說一般是不同相的，或許電壓超前于電流，或許電流超前于電壓。 </p> <p> <br /> </p> <p> <br /> 測量波段可升級(jí)為380nm~780nm。江蘇PET相位差測量儀質(zhì)量推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇PET相位差測量儀質(zhì)量推薦,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283662138672/3154010.png"></div><p style="text-indent:25px">位差測試儀是工業(yè)領(lǐng)域中是經(jīng)常用到的一般測量工具，比如在電力系統(tǒng)中電網(wǎng)并網(wǎng)合閘時(shí)，需要兩電網(wǎng)的電信號(hào)相同，這就需要精確的測量兩工頻信號(hào)之間的相位差。更有測量兩列同頻信號(hào)的相位差在研究網(wǎng)絡(luò)、系統(tǒng)的頻率特性中具備重要意義。相位測量的方法很多，典型的傳統(tǒng)方法是通過顯示器觀測，這種方法誤差較大，讀數(shù)不方便。為此，我們?cè)O(shè)計(jì)了一種數(shù)字相位差測量儀，實(shí)現(xiàn)了兩列信號(hào)相位差的自動(dòng)測量及數(shù)顯。近年來，隨著科學(xué)技術(shù)的迅速發(fā)展，很多測量儀逐漸向“智能儀器”和“自動(dòng)測試系統(tǒng)”發(fā)展，這使得儀器的使用比較簡單，功能越越多。江蘇PET相位差測量儀價(jià)格實(shí)惠型號(hào)PLM-100 技術(shù)參數(shù)：主要測試項(xiàng)目：偏光片吸收軸角度、偏振片偏振方向、波片快軸方向。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇PET相位差測量儀質(zhì)量推薦,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282805332031/666775.png"></div><p style="text-indent:25px">來間接的測定信號(hào)傳播的時(shí)間，從而求得被測距離的。因此，信號(hào)相位測量的精度也就決定了測距的精度。相位測量技術(shù)的研究由來已久，**早的研究和應(yīng)用是在數(shù)學(xué)的矢量分析和物理學(xué)的圓周運(yùn)動(dòng)以及振動(dòng)學(xué)方面，隨之在電力部門、機(jī)械部門、航空航天、地質(zhì)勘探、海底資源等方面也相應(yīng)得到重視和發(fā)展。隨著電子技術(shù)和計(jì)算機(jī)技術(shù)的發(fā)展，相位測量技術(shù)得到了迅速的發(fā)展，目前相位測量技術(shù)已較完善，測量方法及理論也比較成熟，相位測量儀器已系列化和商品化。現(xiàn)代相位測量技術(shù)的發(fā)展可分為三個(gè)階段：***階段是在早期采用的諸如阻抗法、和/差法、三電壓法、比對(duì)法和平衡法等，雖然方法簡單，但測量精度較低；第二階段是利用數(shù)字**電路、微處理器、FPGA/CPLD、DSP等構(gòu)成測相系統(tǒng)，使測量精度得以**提高；第三階段是充分利用計(jì)算機(jī)及智能化虛擬測量技術(shù)，從而**簡化設(shè)計(jì)程序，增強(qiáng)功能，使得相應(yīng)的產(chǎn)品精度更高、功能更全。同時(shí)，各種新的算法也隨之出現(xiàn)。相位測量是正弦信號(hào)經(jīng)過不同的時(shí)間或不同的網(wǎng)絡(luò)后可以有不同的相位。通常所謂相位測量是指對(duì)兩個(gè)同頻率信號(hào)之間相位差的測量。**常見的是對(duì)網(wǎng)絡(luò)輸入與輸出信號(hào)的相位差，即網(wǎng)絡(luò)相移的測量。</p><p> 相位差測試儀的發(fā)展與現(xiàn)狀 </p> <p> 相位測量技術(shù)的研究由來已久,**早的研究和應(yīng)用是在數(shù)學(xué)的矢量分析和物理學(xué)的圓周運(yùn)動(dòng)以及振動(dòng)學(xué)方面，隨之在電力部門、機(jī)械部門、航空航天、地質(zhì)勘探、海底資源等方面也相應(yīng)得到重視和發(fā)展。隨著電子技術(shù)和計(jì)算機(jī)技術(shù)的發(fā)展,相位測量技術(shù)得到了迅速的發(fā)展，目前相位測量技術(shù)已較完善，測量方法及理論也比較成熟，相位測量儀器已系列化和商品化?，F(xiàn)代相位測量技術(shù)的發(fā),展可分為三個(gè)階段:***個(gè)階段是早期采用的諸如阻抗法、和/差法、三電壓法、對(duì)比法和平衡法等，雖方法簡單，但測量精度較低，第二階段是利用數(shù)字 </p> <p> <br /> </p> <p> <br /> </p> <p> **電路，微處理器、FPGA/CPLD、 DSP 等構(gòu)成測相系統(tǒng)，使測量精度得以**提高，第三階段是充分利用計(jì)算機(jī)及智能化虛擬測量技術(shù)，從而**簡化設(shè)計(jì)程序，增強(qiáng)功能，使得相應(yīng)的產(chǎn)品精度更高，功能更全，同時(shí)各種新的算法也隨之出現(xiàn)。 </p> <p> <br /> </p> <p> <br /> 整機(jī)對(duì)應(yīng)樣品皆可定制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇PET相位差測量儀質(zhì)量推薦,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282372529297/3872049.png"></div><p style="text-indent:25px">間接法通常采用三電壓表法。一般要求兩電壓信號(hào)有一公共點(diǎn)（設(shè)為a點(diǎn)），當(dāng)分別測出兩信號(hào)電壓Uab、Uca，以及兩電壓的差值Ubc后，可畫出電壓三角形。按余弦定理，兩信號(hào)電壓間的相位差當(dāng)∮很小時(shí)，可將Uab或Uca中較大的一個(gè)信號(hào)電壓分壓，使分壓后兩信號(hào)的數(shù)值相等。間接法通常采用三電壓表法。一般要求兩電壓信號(hào)有一公共點(diǎn)（設(shè)為a點(diǎn)），當(dāng)分別測出兩信號(hào)電壓Uab、Uca，以及兩電壓的差值Ubc后，可畫出電壓三角形。按余弦定理，兩信號(hào)電壓間的相位差當(dāng)∮很小時(shí)，可將Uab或Uca中較大的一個(gè)信號(hào)電壓分壓，使分壓后兩信號(hào)的數(shù)值相等。測量波段：550nm單波段，上料方式：手動(dòng)上料。江蘇國產(chǎn)相位差測量儀售后保障</p><p style="text-indent:25px">整機(jī)尺寸：根據(jù)客戶樣品尺寸定制。江蘇PET相位差測量儀質(zhì)量推薦</p><p style="text-indent:25px">概述相位差測量儀操作簡潔、使用方便、安全，由于采用電流耦合、高阻輸入方式對(duì)軌道電路相位差、相鄰區(qū)段極**叉進(jìn)行查看，處理了相鄰區(qū)段有車占用時(shí)極**叉無法查看的問題。功用 1) 對(duì)正弦/三角/梯形波/方波的相位差進(jìn)行精細(xì)丈量。特點(diǎn) a)高度集成，精度高； b)穩(wěn)定性好，功能牢靠；典型使用 1)相控雷達(dá)陣、無線電導(dǎo)航系統(tǒng)、自動(dòng)控制系統(tǒng)的測距和定位，電力系統(tǒng)中相電壓的相位差丈量等； 2) 適用于25Hz相敏軌道電路設(shè)備的電壓、電流和頻率、相位差的檢測。江蘇PET相位差測量儀質(zhì)量推薦</p><p style="text-indent:25px">蘇州千宇光學(xué)科技有限公司是一家研發(fā)、銷售：光電材料、電子元器件、計(jì)算機(jī)軟硬件；并提供光電材料、電子元器件、軟件科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓；銷售：半導(dǎo)體材料、儀器儀表、電動(dòng)工具、五金；加工、組裝：自動(dòng)化設(shè)備、機(jī)械設(shè)備；承接：機(jī)械工程、上門維修、租賃服務(wù)；從事上述產(chǎn)品及技術(shù)的進(jìn)出口業(yè)務(wù)。（依法須經(jīng)批準(zhǔn)的項(xiàng)目。經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)）的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。千宇光學(xué)科技擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供高低溫光電綜合系統(tǒng)，彎折機(jī)，，。千宇光學(xué)科技致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。千宇光學(xué)科技創(chuàng)始人密振宇，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1491951.html</p></div></div></div></div></div><div id="lpght8k" class="page-right twoColRt"><div id="qzqc78k" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="b2gctam" class="recomPic likePro"><a 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