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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vz3ogip" 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="xgif7su" 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>江蘇先進(jìn)相位差測(cè)量?jī)x專業(yè)服務(wù),相位差測(cè)量?jī)x</p><p><span>***更新：</span>2020-11-30 09:06:52</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="utqxjlc" 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="c2sebie" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tfmo8ar" class="box"><p><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(cè)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)，江蘇先進(jìn)相位差測(cè)量?jī)x專業(yè)服務(wù)，可將Uab或Uca中較大的一個(gè)信號(hào)電壓分壓，江蘇先進(jìn)相位差測(cè)量?jī)x專業(yè)服務(wù)，使分壓后兩信號(hào)的數(shù)值相等，江蘇先進(jìn)相位差測(cè)量?jī)x專業(yè)服務(wù)。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(cè)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。軸角度測(cè)量范圍：0°~180° 。江蘇先進(jìn)相位差測(cè)量?jī)x專業(yè)服務(wù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇先進(jìn)相位差測(cè)量?jī)x專業(yè)服務(wù),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282979365234/1669802.png"></div><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。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。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。江蘇KOBRA相位差測(cè)量?jī)x技術(shù)指導(dǎo)測(cè)量重復(fù)性：0.02° （精度業(yè)內(nèi)比較高）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇先進(jìn)相位差測(cè)量?jī)x專業(yè)服務(wù),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282805332031/666775.png"></div><p style="text-indent:25px">來間接的測(cè)定信號(hào)傳播的時(shí)間，從而求得被測(cè)距離的。因此，信號(hào)相位測(cè)量的精度也就決定了測(cè)距的精度。相位測(cè)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(cè)量技術(shù)得到了迅速的發(fā)展，目前相位測(cè)量技術(shù)已較完善，測(cè)量方法及理論也比較成熟，相位測(cè)量?jī)x器已系列化和商品化。現(xiàn)代相位測(cè)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(jiǎn)單，但測(cè)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(cè)相系統(tǒng)，使測(cè)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(cè)量技術(shù)，從而**簡(jiǎn)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(cè)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(cè)量是指對(duì)兩個(gè)同頻率信號(hào)之間相位差的測(cè)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(cè)量。</p><p> 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。 </p> <p> <br /> </p> <p> <br /> </p> <p> 相位測(cè)量技術(shù)的研究由來已久，早年的研究和應(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(cè)量技術(shù)得到了迅速的發(fā)展，目前相位測(cè)量技術(shù)已較完善，測(cè)量方法及理論也比較成熟，相位測(cè)量?jī)x器已系列化和商品化。 </p> <p> <br /> </p> <p> <br /> 相位差測(cè)試儀的數(shù)據(jù)輸出：電腦連接。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇先進(jìn)相位差測(cè)量?jī)x專業(yè)服務(wù),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282372529297/3872049.png"></div><p style="text-indent:25px">相位差的丈量兩正弦電量可以同為電壓、電流，或一為電壓、-為電流等。對(duì)應(yīng)點(diǎn)常取正弦電量由負(fù)到正的過零點(diǎn)，相當(dāng)于正弦電量函數(shù)的初相角。相. 位差的單位是度或弧度，正、負(fù)號(hào)表示搶先或滯后聯(lián)系。待測(cè)相位差的正弦電量的頻率規(guī)模很廣，因此選用的丈量辦法和儀器一般隨頻率的高低來挑選。常用的辦法是直接法和間接法。間接法一般選用三電壓表法。 -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(cè)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。相位差測(cè)試儀：離型膜相位差測(cè)試儀。江蘇拉伸膜相位差測(cè)量?jī)x價(jià)格實(shí)惠</p><p style="text-indent:25px">相位差測(cè)試儀有：日本大冢相位差測(cè)試儀。江蘇先進(jìn)相位差測(cè)量?jī)x專業(yè)服務(wù)</p><p> 主要精度數(shù)據(jù)： </p> <p> 測(cè)試對(duì)象：偏光片，相位差膜，光學(xué)膜 </p> <p> 測(cè)試項(xiàng)目：偏光度，透過率(單體/平行/直交)，色度，相位差（R0/RTH），軸角度，吸收軸角度，消光比 </p> <p> 注：測(cè)試可選擇高精度模式和快速模式 </p> <p> 整機(jī)尺寸：根據(jù)客戶樣品尺寸定制 </p> <p> 對(duì)應(yīng)樣品尺寸：可定制 </p> <p> 測(cè)試光斑：約5mm </p> <p> 軸角度測(cè)量范圍：0°~180° </p> <p> 偏光度 </p> <p> 重復(fù)性：３σ≦０．００１% </p> <p> 可實(shí)現(xiàn)指定波長(zhǎng)透過率測(cè)量 </p> <p> 軸角度精度：±0.05°（高精度模式） </p> <p> 測(cè)量重復(fù)性：0.02° （高精度模式） </p> <p> 相位差測(cè)亮范圍：0~20000nm </p> <p> 相位差重復(fù)性精度：３σ≦０．１nm； </p> <p> 測(cè)量波段：400nm~800nm </p> <p> 傾斜旋轉(zhuǎn)臺(tái)規(guī)格：傾斜角度范圍：－60°～＋60°**小角度：０．１° </p> <p> 旋轉(zhuǎn)角度范圍：－180°～＋180° </p> <p> 旋轉(zhuǎn)**小角度：０．１° 江蘇先進(jìn)相位差測(cè)量?jī)x專業(yè)服務(wù)</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2207522.html</p></div></div></div></div></div><div id="hb2cel8" class="page-right twoColRt"><div id="iwd82dz" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wgdf2l2" class="recomPic likePro"><a href="http://m.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="72ebd87" class="recomPic likePro"><a 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