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蘇州千宇光學(xué)科技供應(yīng)</p><div id="l3z3tbz" class="leftbox clearfix"><h1>江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo) 蘇州千宇光學(xué)科技供應(yīng)</h1><div id="3n5bdjh" class="proBig"><div id="thnbrvb" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282979365234/1669802.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="5jhvjhn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282979365234/1669802.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="brxvjzv" 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KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo),相位差測(cè)量?jī)x</p><p><span>***更新：</span>2020-11-16 09:06:20</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="nj57ljh" 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="zfdbrxd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="5p5lxvb" class="box"><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(shì)，也可以是這三種量中的任何兩個(gè)。一臺(tái)高精度相位差測(cè)量?jī)x對(duì)相位差的測(cè)量尤為重要。相位差與相位的關(guān)系（1）當(dāng)j12>0時(shí)，江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo)，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°，江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo)，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°），江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo).對(duì)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(duì)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。測(cè)量重復(fù)性精度業(yè)內(nèi)** 高。江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282979365234/1669802.png"></div><p style="text-indent:25px">所謂移相是指兩種同頻的信號(hào)，以其中的一路為參考，另一路相?對(duì)于該參考作超前或滯后的移動(dòng)，即稱為是相位的移動(dòng)。兩路信號(hào)的?相位不同，便存在相位差，簡(jiǎn)稱相差。若我們將一個(gè)信號(hào)周期看作是?360，則相差的范圍就在0°～360°。：兩個(gè)同頻信號(hào)之間的移相，?是電子行業(yè)繼電保護(hù)領(lǐng)域中模擬、分析問題的一個(gè)重要手段，利用移?相原理可以制作校驗(yàn)各種有關(guān)相位的儀器儀表、繼電保護(hù)裝置的信號(hào)?源。因此，移相技術(shù)有著特別廣的實(shí)用價(jià)值。我們知道，將參考信號(hào)整?形為方波信號(hào)，并以此信號(hào)為基準(zhǔn)，延時(shí)產(chǎn)生另一個(gè)同頻的方波信號(hào)，?再通過波形變換電路將方波信號(hào)還原成正弦波信號(hào)。江蘇RETS-100L相位差測(cè)量?jī)x質(zhì)量保證可溯源性:可提供計(jì)量檢測(cè)報(bào)告。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304281612314453/3724707.png"></div><p style="text-indent:25px">相位差測(cè)量?jī)xPLM-100系列測(cè)試誤區(qū) 配向角（取向角）是指軸角嗎？否。配向角是軸角在垂直方向的投影。當(dāng)水平放置樣品時(shí)，配向角=軸角。當(dāng)樣品傾斜時(shí)，配向角會(huì)隨著樣品的翻轉(zhuǎn)而變化，所以在測(cè)量配向角時(shí)候，需要知道樣品與水平面的夾角。設(shè)備主要運(yùn)用于：其他光學(xué)材料、蓋板玻璃、雙折射材料、離型膜、補(bǔ)償膜、偏光片 *已通過中國(guó)計(jì)量用標(biāo)準(zhǔn)片數(shù)據(jù)匹配。 *傅里葉變換解析偏振光，數(shù)據(jù)可靠穩(wěn)定 *可溯源性：可提供計(jì)量檢測(cè)報(bào)告 *專業(yè)性：光學(xué)博士團(tuán)隊(duì)合力研發(fā)，追求國(guó)產(chǎn)替代。 *精心打造的每一臺(tái)設(shè)備出貨前都會(huì)用國(guó)家i級(jí)計(jì)量標(biāo)準(zhǔn)片進(jìn)行校驗(yàn) *打破國(guó)外壟斷</p><p style="text-indent:25px">相位差測(cè)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(cè)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(chǎng)干擾場(chǎng)合。被測(cè)高電壓相位信號(hào)由采集器取出，經(jīng)過處理后直接發(fā)射出去。由接收器接收并進(jìn)行相位比較,對(duì)核相后的結(jié)果定性。因本產(chǎn)品是無線傳輸，真正達(dá)到安全可靠、快速準(zhǔn)確，適應(yīng)各種核相場(chǎng)合。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(shì)，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。是一一個(gè)不隨時(shí)間變化的常數(shù)。也可以是一個(gè)元件.上的電流與電壓的相位變化。高精度軸角度相位差測(cè)量?jī)x相位差(0 20000nm)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283297490234/9619687.png"></div><p style="text-indent:25px">專業(yè)性：光學(xué)博士團(tuán)隊(duì)合力研發(fā)，追求國(guó)產(chǎn)替代。精心打造的每一臺(tái)設(shè)備出貨前都會(huì)用國(guó)家i級(jí)計(jì)量標(biāo)準(zhǔn)片進(jìn)行校驗(yàn) 打破國(guó)外壟斷主要精度數(shù)據(jù)：整機(jī)尺寸：根據(jù)客戶樣品尺寸定制；對(duì)應(yīng)樣品尺寸：可定；制軸角度測(cè)量范圍：0°~180°；數(shù)據(jù)輸出：電腦連接；軸角度精度：±0.05°（精度業(yè)內(nèi)zui高）；測(cè)量重復(fù)性：0.02° （精度業(yè)內(nèi)zui高）；相位差重復(fù)性精度：３σ≦０．１nm；測(cè)量波段：550nm單波段（可根據(jù)客戶要求定制波段）可升級(jí)為380nm~780nm。相位差測(cè)試儀的數(shù)據(jù)輸出：電腦連接。江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo)</p><p style="text-indent:25px">相位差延遲量、橢偏率、配向角，色度、多波段測(cè)試(380nm~780nm）、偏光度。江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo)</p><p style="text-indent:25px">相位差測(cè)試儀是工業(yè)領(lǐng)域中是經(jīng)常用到的一般測(cè)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(cè)量?jī)晒ゎl信號(hào)之間的相位差。更有測(cè)量?jī)闪型l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(cè)量的方法很多,典型的傳統(tǒng)方法是通過顯示器觀測(cè)，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(cè)量?jī)x，實(shí)現(xiàn)了兩列信號(hào)相位差的自動(dòng)測(cè)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(cè)量?jī)x逐漸向“智能儀器”和“自動(dòng)測(cè)試系統(tǒng)”發(fā)展，這使得儀器的使用比較簡(jiǎn)單，功能越越多。江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo)</p></p><br 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