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href="http://m.cdcfah.com/cp/third-dgyqybwr_glclybib/">功率測量儀表</a>?江蘇相位差測量儀公司蘇州千宇光學科技供應</p><div id="rkamx8z" class="leftbox clearfix"><h1>江蘇相位差測量儀公司蘇州千宇光學科技供應</h1><div id="7pvv8op" class="proBig"><div id="gekgghn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283103857422/3292206.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="s73oz3l" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283103857422/3292206.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="83vwms2" 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>江蘇相位差測量儀公司,相位差測量儀</p><p><span>***更新：</span>2020-11-12 14:10:56</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="7ntplhi" 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="ymci8hd" class="page-proshow02"><p class="title">詳細說明</p><div id="8wnofw8" class="box"><p><p style="text-indent:25px">相位差測量兩個正弦電量可以是電壓和電流，或者一個是電壓，一個是電流等，對應點通常是從負到正的過零點，相當于正弦電函數(shù)的初始相位角。相位差的單位是度或弧度，正負號表示超前或滯后關系，江蘇相位差測量儀公司。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，江蘇相位差測量儀公司。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、數(shù)字相位計等**儀器或用負示波器測量相位差。當使用陰極示波器時，將兩個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，江蘇相位差測量儀公司。然后兩個正弦電壓之間的相位差為∮=電弧正弦（B/α）。對應樣品尺寸：可定制，數(shù)據(jù)輸出：電腦連接。江蘇相位差測量儀公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇相位差測量儀公司,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283103857422/3292206.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。江蘇相位差測量儀公司相位差測試儀有AXOSCAN相位差測試儀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇相位差測量儀公司,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282805332031/666775.png"></div><p style="text-indent:25px">相位測量技術的研討由來已久，**早的研討和應用是在數(shù)學的矢量分析和物理學的圓周運動以及振動學方面，隨之在電力部分、機械部分、航空航天、地質勘探、海底資源等方面也相應得到注重和展開。跟著電子技術和計算機技術的展開，相位測量技術得到了靈敏的展開，現(xiàn)在相位測量技術已較完善，測量方法及理論也比較老練，相位測量儀器已系列化和商品化?，F(xiàn)代相位測:量技術的展開可分為三個階段:***階段是在前期采用的諸如阻抗法、和/差法、三電壓法、比對法和平衡法等，雖然方法簡略，但測量精度較低;第二階段是運用數(shù)字**電路、微處理器、FPGA/CPLD、 DSP等構成測相系統(tǒng)，使測量精度得以**提高;第三階段是充分運用計算機及智能化虛擬測量技術，然后**簡化規(guī)劃程序，增強功用，使得相應的產(chǎn)品精度更高、功用更全。一起，各種新的算法也隨之出現(xiàn)。</p><p style="text-indent:25px">跟著科學技術日新月異的發(fā)展，電子技術***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,而相位測. 量技術又是電子技術中進行信息檢測的重要手法，在現(xiàn)代科學技術中占有舉足輕重的效果和地位。相位差測試儀是工業(yè)領域中是常常用到的一般丈量東西,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，這就需要準確的丈量兩工頻信號之間的相位差。更有丈量兩列同頻信號的相位差在研究網(wǎng)絡、系統(tǒng)的頻率特性中具備重要意義。相位丈量的辦法許多，典型的傳統(tǒng)辦法是通過顯示器觀測，這種辦法差錯較大，讀數(shù)不方便。為此，咱們設計了一種數(shù)字相位差丈量儀，實現(xiàn)了兩列信號相位差的自動丈量及數(shù)顯。近年來，跟著科學技術的迅速發(fā)展，許多丈量儀逐步向“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。選配測試功能：1.相位差延遲量、橢偏率、配向角 2.色度、多波段測試(380nm~780nm）、偏光度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇相位差測量儀公司,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282689248047/1940273.png"></div><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。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而變化，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 *打破國外壟斷型號PLM-100 技術參數(shù)：主要測試項目：偏光片吸收軸角度、偏振片偏振方向、波片快軸方向。江蘇相位差測量儀公司</p><p style="text-indent:25px">測量波段上料方式：手動上料。江蘇相位差測量儀公司</p><p style="text-indent:25px">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，移相技術有著很廣的實用價值。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。以延時的長短來?決定兩信號間的相位值。這種處理方式的實質是將延時的時間映射為?信號間的相位值。也就是說，只要能夠測量出該延遲時間，我們就可?以推算出其相位差值。江蘇相位差測量儀公司</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1961015.html</p></div></div></div></div></div><div id="lv23io3" class="page-right twoColRt"><div id="8sircci" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3mdzjpv" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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