江蘇薄膜相位差測量儀廠家直銷蘇州千宇光學(xué)科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="相位差：兩個(gè)頻率相同的交流電相位的差叫做相位差，或者叫做相差。?這兩個(gè)頻率相同的交流電，可以是兩個(gè)交流電流，可以是兩個(gè)交流電壓，可以是兩個(gè)交流電動(dòng)勢，也可以是這三種量中的任何兩個(gè)。兩個(gè)同頻率正弦量的相位差就等于初相之差。是一個(gè)不隨時(shí)間變化的"><meta name="keywords" content="江蘇薄膜相位差測量儀廠家直銷,相位差測量儀"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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id="nrjl9hr" class="proBig"><div id="crtau2d" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282455625000/5909694.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mgd8hdf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282455625000/5909694.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="v3kcw33" 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>江蘇薄膜相位差測量儀廠家直銷,相位差測量儀</p><p><span>***更新：</span>2020-08-01 13:05:01</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="nhzrovx" 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="34c7ifh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hbd7zbd" class="box"><p><p style="text-indent:25px">相位差：兩個(gè)頻率相同的交流電相位的差叫做相位差，或者叫做相差。?這兩個(gè)頻率相同的交流電，可以是兩個(gè)交流電流，可以是兩個(gè)交流電壓，可以是兩個(gè)交流電動(dòng)勢，也可以是這三種量中的任何兩個(gè)。兩個(gè)同頻率正弦量的相位差就等于初相之差。是一個(gè)不隨時(shí)間變化的常數(shù)，江蘇薄膜相位差測量儀廠家直銷。?? 也可以是一個(gè)元件上的電流與電壓的相位變化。? 任意一個(gè)正弦量y?=?Asin(wt+?j0）的相位為(wt+?j0），本章只涉及兩個(gè)同頻率正弦量的相位差（與時(shí)間t無關(guān)），江蘇薄膜相位差測量儀廠家直銷。設(shè)一個(gè)正弦量的初相為?j01，江蘇薄膜相位差測量儀廠家直銷，第二個(gè)正弦量的初相為?j02，則這兩個(gè)正弦量的相位差為???j12?=?j01?-?j02公司主要的經(jīng)營范圍為光電材料、電子科技、軟件科技領(lǐng)域內(nèi)的技術(shù)開發(fā)。江蘇薄膜相位差測量儀廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇薄膜相位差測量儀廠家直銷,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282455625000/5909694.png"></div><p style="text-indent:25px">相位測量技能是電子技能中進(jìn)行信息檢測的重要方法,在現(xiàn)代科學(xué)技能中占有無關(guān)宏旨的效果和地位。相位差測試儀是工業(yè)領(lǐng)域中是常常用到的一般測量東西，比如在電力體系中電網(wǎng)并網(wǎng)合閘時(shí),需求兩電網(wǎng)的電信號相同，這就需求精確的測量兩工頻信號之間的相位差。更有測量兩列同頻信號的相位差在研討網(wǎng)絡(luò)、體系的頻率特性中具有重要意義。相位測量的方法許多，典型的傳統(tǒng)方法是經(jīng)過顯示器觀測，這種方法過錯(cuò)較大，讀數(shù)不方便。為此，我們規(guī)劃了一種數(shù)字相位差測量儀，實(shí)現(xiàn)了兩列信號相位差的主動(dòng)測量及數(shù)顯。相位差測試儀應(yīng)用于電力線路、變電所的相位校驗(yàn)和相序校驗(yàn)，具有核相、測相序、驗(yàn)電等功用。具有很強(qiáng)的抗干擾性，習(xí)氣各種電磁場干擾場合。被測高電壓相位信號由采集器取出，經(jīng)過處理后直接發(fā)射出去。由接納器接納并進(jìn)行相位比較，對核相后的效果定性。江蘇PET相位差測量儀性價(jià)比高相位差延遲量、橢偏率、配向角，色度、多波段測試(380nm~780nm）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇薄膜相位差測量儀廠家直銷,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282805332031/666775.png"></div><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。現(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 /> </p><p style="text-indent:25px">隨著科學(xué)技術(shù)突飛猛進(jìn)的發(fā)展，電子技術(shù)比較廣的應(yīng)用于工業(yè)、農(nóng)業(yè)、交通運(yùn)輸、航空航天、**建設(shè)等國民經(jīng)濟(jì)的諸多領(lǐng)域中，而電子測量技術(shù)又是電子技術(shù)中進(jìn)行信息檢測的重要手段，在現(xiàn)代科學(xué)技術(shù)中占有舉足輕重的作用和地位。實(shí)現(xiàn)了兩列信號相位差的自動(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。? 相位差測試儀應(yīng)用于電力線路、變電所的相位校驗(yàn)和相序校驗(yàn)，具有核相、測相序、驗(yàn)電等功能。具備很強(qiáng)的抗干擾性，適應(yīng)各種電磁場干擾場合。被測高電壓相位信號由采集器取出，經(jīng)過處理后直接發(fā)射出去。接收并進(jìn)行相位比較，對核相后的結(jié)果定性。專業(yè)性:光學(xué)博士團(tuán)隊(duì)合力研發(fā)，追求國產(chǎn)替代。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇薄膜相位差測量儀廠家直銷,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283374638672/8786600.png"></div><p style="text-indent:25px">相位差測量兩個(gè)正弦電量可以是電壓和電流，或者一個(gè)是電壓，一個(gè)是電流等，對應(yīng)點(diǎn)通常是從負(fù)到正的過零點(diǎn)，相當(dāng)于正弦電函數(shù)的初始相位角。相位差的單位是度或弧度，正負(fù)號表示超前或滯后關(guān)系。一種由于被測相位差正弦電量的頻率范圍很寬，所以通常根據(jù)頻率選擇測量方法和儀器。常用的方法有直接法和間接法。一種直接法：用指針式相位計(jì)、數(shù)字相位計(jì)等**儀器或用負(fù)示波器測量相位差。當(dāng)使用陰極示波器時(shí)，將兩個(gè)相同頻率的正弦電壓信號分別加到示波器的X軸和Y軸上。然后兩個(gè)正弦電壓之間的相位差為∮=電弧正弦（B/α）。相位差測試儀：離型膜相位差測試儀。江蘇KOBRA相位差測量儀質(zhì)量推薦</p><p style="text-indent:25px">相位差延遲量、橢偏率、配向角，色度、多波段測試(380nm~780nm）、偏光度。江蘇薄膜相位差測量儀廠家直銷</p><p style="text-indent:25px">相位差，物理學(xué)概念。兩個(gè)頻率相同的交流電相位的差叫做相位差，或者叫做相差。這兩個(gè)頻率相同的交流電，可以是兩個(gè)交流電流，可以是兩個(gè)交流電壓，可以是兩個(gè)交流電動(dòng)勢，也可以是這三種量中的任何兩個(gè)。一臺高精度相位差測量儀對相位差的測量尤為重要。相位差與相位的關(guān)系（1）當(dāng)j12>0時(shí)，稱***個(gè)正弦量比第二個(gè)正弦量的相位越前（或超前）j12；（2）當(dāng)j12<0時(shí)，稱***個(gè)正弦量比第二個(gè)正弦量的相位滯后（或落后）|j12|；（3）當(dāng)j12=0時(shí)，稱***個(gè)正弦量與第二個(gè)正弦量同相，如圖7-1(a）所示；（4）當(dāng)j12=±π或±180°時(shí)，稱***個(gè)正弦量與第二個(gè)正弦量反相；（5）當(dāng)j12=±π/2或±90°時(shí)，稱***個(gè)正弦量與第二個(gè)正弦量正交。相位差示例1.已知u=311sin（314t-30°）V，I=5sin（314t+60°）A，則u與i的相位差為jui=(-30°）-(+60°）=-90°，即u比i滯后90°，或i比u超前90°。相位差的取值范圍和初相一樣，小于等于π（180°）.對于超出范圍的，同樣可以用加減2Nπ來解決.2.研究交流電路的相位差.如果電路含有電感和電容，對于純電容電路電壓相位滯后于電流（電壓滯后電流多少度也可以表述成電流超前電壓多少度），純電感電路電流相位滯后于電壓。江蘇薄膜相位差測量儀廠家直銷</p><p style="text-indent:25px">蘇州千宇光學(xué)科技有限公司創(chuàng)辦于2019-10-30，是一家其他型的公司。經(jīng)過多年不斷的歷練探索和創(chuàng)新發(fā)展，公司是一家有限責(zé)任公司企業(yè)，以誠信務(wù)實(shí)的創(chuàng)業(yè)精神、質(zhì)量高效的管理團(tuán)隊(duì)、精悍的職工隊(duì)伍，努力為廣大用戶提供高品質(zhì)的產(chǎn)品。公司業(yè)務(wù)涵蓋[ "高低溫光電綜合系統(tǒng)", "彎折機(jī)", "", "" ]，價(jià)格合理，品質(zhì)有保證，深受廣大客戶的歡迎。千宇光學(xué)科技自成立以來，一直堅(jiān)持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會各界的普遍認(rèn)可與大力支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/773454.html</p></div></div></div></div></div><div id="bq34dv8" class="page-right twoColRt"><div id="aeli77a" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oik8lsp" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="lvx8nk3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" 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