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class="twoCol"><div id="rf8u4ct" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_gxyq/">光學(xué)儀器</a>?<a href="http://www.cdcfah.com/cp/third-gxyq_qtgxyq/">其他光學(xué)儀器</a>?蘇州光軸測試儀推薦廠家蘇州千宇光學(xué)科技供應(yīng)</p><div id="vu2k42b" class="leftbox clearfix"><h1>蘇州光軸測試儀推薦廠家蘇州千宇光學(xué)科技供應(yīng)</h1><div id="r23mlml" class="proBig"><div id="gau3cj9" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637437328594633956/3586155.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ibi9fwa" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637437328594633956/3586155.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3tfevmq" 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(guān)鍵詞：</span>蘇州光軸測試儀推薦廠家,光軸測試儀</p><p><span>***更新：</span>2021-02-06 04:05:00</p><p><span id="click" >瀏覽次數(shù)：7次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="b3wdeai" 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="bf8txij" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2wi4uls" class="box"><p><p style="text-indent:25px">相位差測試儀應(yīng)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(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。由***接收并進(jìn)行相位比較，對核相后的結(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)各種核相場合。兩個頻率相同的交流電相位的差叫做相位差，或者叫做相差。這兩個頻率相同的交流電，可以是兩個交流電流，蘇州光軸測試儀推薦廠家，蘇州光軸測試儀推薦廠家，可以是兩個交流電壓，可以是兩個交流電動勢，蘇州光軸測試儀推薦廠家，也可以是這三種量中的任何兩個。兩個同頻率正弦量的相位差就等于初相之差。是一一個不隨時間變化的常數(shù)。測量波段可根據(jù)客戶要求定制波段。蘇州光軸測試儀推薦廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州光軸測試儀推薦廠家,光軸測試儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637437328594633956/3586155.png"></div><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。? 相位差測試儀是工業(yè)領(lǐng)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。更有測量兩列同頻信號的相位差在研究網(wǎng)絡(luò)、系統(tǒng)的頻率特性中具備重要意義。相位測量的方法很多，典型的傳統(tǒng)方法是通過顯示器觀測，這種方法誤差較大，讀數(shù)不方便。為此，我們設(shè)計了一種數(shù)字相位差測量儀，實現(xiàn)了兩列信號相位差的自動測量及數(shù)顯。江蘇離型膜慢軸光軸測試儀測試誤區(qū)：配向角(取向角)不是指軸角。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州光軸測試儀推薦廠家,光軸測試儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637437328221674946/2834848.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(zhǔn)信號和移相網(wǎng)絡(luò)的基準(zhǔn)信號與待測信號進(jìn)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(biāo)準(zhǔn)時間間隔Ts內(nèi)，測出被測信號重復(fù)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(lǐng)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。 </p><p> 偏振片介由粘附劑貼附在液晶顯示板上。此時，存在氣泡進(jìn) 入偏振片與液晶顯示板之間或者偏振片出現(xiàn)變形的情況。這時，為了再利用液晶顯示板，采用將偏振片從液晶顯示板上剝離，貼合新的偏振片的工序（再加工工序）。但是，當(dāng)形成偏振片的保護(hù)膜與起偏振器的粘合力弱時，將該偏振片剝離時，有時保護(hù)膜與起偏振器會剝離。這時，液晶顯示板上殘留有保護(hù)膜，要附加剝離保護(hù)膜的工序，因此制造效率下降。 </p> <p> 因此，作為制造偏振片時使用的、用于粘合保護(hù)膜和起偏振器的粘合劑的特性，要求即使在再加工時也發(fā)揮起偏振器與保護(hù)膜之間的牢固粘合強(qiáng)度（剝離強(qiáng)度）。 PLM-100根據(jù)客戶樣品尺寸定制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州光軸測試儀推薦廠家,光軸測試儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637437328565444721/386475.png"></div><p> 一種起偏振片的制備方法，包括： </p> <p> 通過一包括如下步驟的方法制備一偏振薄膜： </p> <p> 用夾具將一連續(xù)進(jìn)料的用于偏振薄膜的聚合物薄膜的兩個邊夾 ??；和 </p> <p> 將所述聚合物薄膜延伸，同時所述夾具運(yùn)行至該薄膜的縱向并向該薄膜施加張力， </p> <p> 其中，當(dāng)L1**夾具從聚合物薄膜一個邊緣的實際夾住起點直到實際夾住釋放點的軌跡，L2**夾具從聚合物薄膜的另一邊緣的實際夾住起點直到實際夾住釋放點的軌跡，并且W**所述兩個實際夾住釋放點之間的距離，LI、L2和W滿足式(2)： </p> <p> |L2-L1| >0.4W 的關(guān)系， </p> <p> 將所述聚合物薄膜延伸，同時保持該聚合物薄膜的支持性能并使揮發(fā)性成分的含量為5%或更大，然后將所述聚合物薄膜收縮，同時降低該揮發(fā)性成分的含量，然后將該聚合物薄膜卷成卷狀； </p> <p> 將一保護(hù)薄膜附著于所述偏振薄膜的至少一個表面上，并且由所述保護(hù)薄膜的相位滯后軸與所述偏振薄膜的吸收軸構(gòu)成的角度不小于10。并小于90。專業(yè)性:光學(xué)博士團(tuán)隊合力研發(fā)，追求國產(chǎn)替代。蘇州光軸測試儀推薦廠家</p><p style="text-indent:25px">高精度軸角度相位差透過率，色度(La、 b)，偏光度。蘇州光軸測試儀推薦廠家</p><p style="text-indent:25px">在離中心頻率一定合理距離的偏移頻率處，邊帶功率滾降到1/fm，fm是該頻率偏離中心頻率的差值。相位噪聲通常定義為在某一給定偏移頻率處的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。一個振蕩器在某一偏移頻率處的相位噪聲定義為在該頻率處1Hz帶寬內(nèi)的信號功率與信號的總功率比值。相位差兩個頻率相同的交流電相位的差叫做相位差，或者叫做相差。這兩個頻率相同的交流電，可以是兩個交流電流，可以是兩個交流電壓，可以是兩個交流電動勢，也可以是這三種量中的任何兩個。例如研究加在電路上的交流電壓和通過這個電路的交流電流的相位差。如果電路是純電阻，那么交流電壓和交流電流的相位差等于零。也就是說交流電壓等于零的時候，交流電流也等于零，交流電壓變到比較大值的時候，交流電流也變到比較大值。這種情況叫做同相位，或者叫做同相。如果電路含有電感和電容，交流電壓和交流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，或者電壓超前于電流，或者電流超前于電壓。相位測量當(dāng)今，相位的測量需求日益增長。高精度測距大多采用的是激光相位式測距。相位式測距是通過測量連續(xù)的幅度調(diào)制信號在待測距離上往返傳播所產(chǎn)生的相位延遲。蘇州光軸測試儀推薦廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3185442.html</p></div></div></div></div></div><div id="kjqul7k" class="page-right twoColRt"><div id="dh7lf8v" class="box01 margin10 clearfix"><h3><a 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