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id="2wank4r" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</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相位差測量儀價格實惠蘇州千宇光學科技供應</p><div id="e7ghzqs" class="leftbox clearfix"><h1>江蘇PET相位差測量儀價格實惠蘇州千宇光學科技供應</h1><div id="o2yv8vd" class="proBig"><div id="en42aby" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283297490234/9619687.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ko9csuw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283297490234/9619687.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8numovs" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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)品關鍵詞：</span>江蘇PET相位差測量儀價格實惠,相位差測量儀</p><p><span>***更新：</span>2020-11-27 03:05:02</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="3228zqi" 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: </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="j78f32a" class="page-proshow02"><p class="title">詳細說明</p><div id="o7jqszv" class="box"><p><p style="text-indent:25px">相位差測量儀PLM-100系列測試誤區(qū) 配向角（取向角）是指軸角嗎？否，江蘇PET相位差測量儀價格實惠。配向角是軸角在垂直方向的投影。當水平放置樣品時，配向角=軸角。當樣品傾斜時，配向角會隨著樣品的翻轉(zhuǎn)而變化，江蘇PET相位差測量儀價格實惠，江蘇PET相位差測量儀價格實惠，所以在測量配向角時候，需要知道樣品與水平面的夾角。設備主要運用于：其他光學材料、蓋板玻璃、雙折射材料、離型膜、補償膜、偏光片 *已通過中國計量用標準片數(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：可提供計量檢測報告 *專業(yè)性：光學博士團隊合力研發(fā)，追求國產(chǎn)替代。 *精心打造的每一臺設備出貨前都會用國家i級計量標準片進行校驗 *打破國外壟斷測量波段可根據(jù)客戶要求定制波段。江蘇PET相位差測量儀價格實惠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇PET相位差測量儀價格實惠,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283297490234/9619687.png"></div><p> 相位差測量儀主要是由鎖相環(huán)產(chǎn)生360倍頻基準信號和移相網(wǎng)絡的基準信號與待測信號進行異或后的信號作為顯示器的閘門電路和控制信號。頻率測量模塊主要是用計數(shù)法測量頻率的，它是有某個已知 </p> <p> 標準時間間隔Ts內(nèi)，測出被測信號重復出現(xiàn)的次數(shù)N，然后計算出頻率f=N/Ts.顯示電路模塊主要是由計數(shù)器、鎖存器、譯碼器和數(shù)碼管組成。 </p> <p> 相位差測試儀是工業(yè)領域中是經(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，需要兩電網(wǎng)的電信號相同,這就需要精確的測量兩工頻信號之間的相位差。江蘇相位差測量儀供應商家軸角度精度：±0.05°（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PET相位差測量儀價格實惠,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304281938291016/8047698.png"></div><p style="text-indent:25px">所謂移相是指兩種同頻的信號，以其中的一路為參考，另一路相?對于該參考作超前或滯后的移動，即稱為是相位的移動。兩路信號的?相位不同，便存在相位差，簡稱相差。若我們將一個信號周期看作是?360，則相差的范圍就在0°～360°。：兩個同頻信號之間的移相，?是電子行業(yè)繼電保護領域中模擬、分析問題的一個重要手段，利用移?相原理可以制作校驗各種有關相位的儀器儀表、繼電保護裝置的信號?源。因此，移相技術有著特別廣的實用價值。我們知道，將參考信號整?形為方波信號，并以此信號為基準，延時產(chǎn)生另一個同頻的方波信號，?再通過波形變換電路將方波信號還原成正弦波信號。</p><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。對應點常取正弦電量由負到正的過零點，相當于正弦電量函數(shù)的初相角。相. 位差的單位是度或弧度，正、負號表示搶先或滯后聯(lián)系。待測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。 -般要求兩電壓信號有一-公共點(設為a點)，當分別測出兩信號電壓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,兩信號電壓間的相位差當$很小時,可將Uab或Uca中較大的一個信號電壓分壓，使分壓后兩信號的數(shù)值相等。測量重復性：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PET相位差測量儀價格實惠,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283662138672/3154010.png"></div><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)的信號功率與信號的總功率比值。 </p> <p> 相位差 </p> <p> 兩個頻率相同的溝通電相位的差叫做相位差，或許叫做相差。這兩個頻率相同的溝通電，可所以兩個溝通電流，可所以兩個溝通電壓，可所以兩個溝通電動勢，也可所以這三種量中的任何兩個。 </p> <p> 例如研究加在電路上的溝通電壓和經(jīng)過這個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分，溝通電流也等于零，溝通電壓變到比較大值的時分，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。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：550nm單波段，上料方式：手動上料。江蘇PET相位差測量儀價格實惠</p><p style="text-indent:25px">對應樣品尺寸：可定制，軸角度測量范圍：0°~180°。江蘇PET相位差測量儀價格實惠</p><p style="text-indent:25px">隨著科學技術突飛猛進的發(fā)展，電子技術比較廣的應用于工業(yè)、農(nóng)業(yè)、交通運輸、航空航天、**建設等國民經(jīng)濟的諸多領域中，而電子測量技術又是電子技術中進行信息檢測的重要手段，在現(xiàn)代科學技術中占有舉足輕重的作用和地位。實現(xiàn)了兩列信號相位差的自動測量及數(shù)顯。近年來，隨著科學技術的迅速發(fā)展，很多測量儀逐漸向“智能儀器”和“自動測試系統(tǒng)”發(fā)展，這使得儀器的使用比較簡單，功能越越多。? 相位差測試儀應用于電力線路、變電所的相位校驗和相序校驗，具有核相、測相序、驗電等功能。具備很強的抗干擾性，適應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。接收并進行相位比較，對核相后的結(jié)果定性。江蘇PET相位差測量儀價格實惠</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2158943.html</p></div></div></div></div></div><div id="queqs8m" class="page-right twoColRt"><div id="2jvse48" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="f7jvxwd" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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