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href="http://m.cdcfah.com/cp/third-dgyqybwr_glclybib/">功率測(cè)量?jī)x表</a>?江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù) 蘇州千宇光學(xué)科技供應(yīng)</p><div id="8i3bsyw" class="leftbox clearfix"><h1>江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù) 蘇州千宇光學(xué)科技供應(yīng)</h1><div id="jouq3ev" class="proBig"><div id="o2wnb8k" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283752412109/9298150.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2ltj3no" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283752412109/9298150.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uea8c5a" 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RETS-100L相位差測(cè)量?jī)x售后服務(wù),相位差測(cè)量?jī)x</p><p><span>***更新：</span>2020-12-27 11:04:45</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="g3ea43w" 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="jy833qb" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ga8mciz" 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(huà)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。間接法通常采用三電壓表法，江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù)，江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù)。一般要求兩電壓信號(hào)有一公共點(diǎn)（設(shè)為a點(diǎn)），江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù)，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(huà)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。對(duì)應(yīng)樣品尺寸：可定制。江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283752412109/9298150.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(guó)民經(jīng)濟(jì)的諸多領(lǐng)域中，而電子測(cè)量技術(shù)又是電子技術(shù)中進(jìn)行信息檢測(cè)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。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(lái)，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。? 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(guò)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。江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù)選配測(cè)試功能：1.相位差延遲量、橢偏率、配向角 2.色度、多波段測(cè)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RETS-100L相位差測(cè)量?jī)x售后服務(wù),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283374638672/8786600.png"></div><p> 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(guò)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(lái)，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 </p> <p> 越多。 </p><p> 一種起偏振片的制備方法，所述起偏振片包括一偏振薄膜，所述偏振薄膜具有一與其縱向既不平行也不垂直的吸收軸，所述起偏振片在550 nm下具有80%或更大的偏振度；并且在550 nm下具有 35%或更大的單片透射比， </p> <p> 一種起偏振片的制備方法，包括： </p> <p> 通過(guò)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(gè)邊夾 ?。缓?</p> <p> 將所述聚合物薄膜延伸，同時(shí)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(gè)邊緣的實(shí)際夾住起點(diǎn)直到實(shí)際夾住釋放點(diǎn)的軌跡，L2**夾具從聚合物薄膜的另一邊緣的實(shí)際夾住起點(diǎn)直到實(shí)際夾住釋放點(diǎn)的軌跡，并且W**所述兩個(gè)實(shí) 際夾住釋放點(diǎn)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(shí)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(shí) 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(gè)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。 </p> <p> <br /> </p> <p> <br /> 相位差測(cè)試儀：RETS-100相位差測(cè)試儀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇RETS-100L相位差測(cè)量?jī)x售后服務(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">相位介紹相位是與電路結(jié)構(gòu)有關(guān)的參數(shù)。相位是反映交流電任何時(shí)刻的狀態(tài)的物理量。交流電的大小和方向是隨時(shí)間變化的。比如正弦交流電流，它的公式是i=Isin2πft。i是交流電流的瞬時(shí)值，I是交流電流的比較大值，f是交流電的頻率，t是時(shí)間。隨著時(shí)間的推移，交流電流可以從零變到比較大值，從比較大值變到零，又從零變到負(fù)的比較大值，從負(fù)的比較大值變到零。相位(phase)是對(duì)于一個(gè)波，特定的時(shí)刻在它循環(huán)中的位置：一種它是否在波峰、波谷或它們之間的某點(diǎn)的標(biāo)度。是描述訊號(hào)波形變化的度量，通常以度（角度）作為單位，也稱(chēng)作相角。當(dāng)訊號(hào)波形以周期的方式變化，波形循環(huán)一周即為360°。常應(yīng)用在科學(xué)領(lǐng)域，如數(shù)學(xué)、物理學(xué)等相位調(diào)整相位調(diào)整是指在有些**音音箱上加裝的一個(gè)控制機(jī)構(gòu)。用于對(duì)**音音箱所重放出的聲音稍許加以延遲，從而讓**音音箱的輸出能夠和前置主音箱同相位，即具有相同的時(shí)間關(guān)系。相位噪聲相位噪聲是頻率域的概念，是對(duì)信號(hào)時(shí)序變化的另一種測(cè)量方式，其結(jié)果在頻率域內(nèi)顯示。如果沒(méi)有相位噪聲，那么振蕩器的整個(gè)功率都應(yīng)集中在頻率f=fo處。但相位噪聲的出現(xiàn)將振蕩器的一部分功率擴(kuò)展到相鄰的頻率中去，產(chǎn)生了邊帶(sideband)。測(cè)量重復(fù)性精度業(yè)內(nèi)** 高。江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù)</p><p style="text-indent:25px">測(cè)量波段可升級(jí)為380nm~780nm。江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù)</p><p style="text-indent:25px">相位常應(yīng)用在科學(xué)領(lǐng)域，如數(shù)學(xué)、物理學(xué)等。例如：在函數(shù)y=Acos(ωx+φ)中，ωx+φ稱(chēng)為相位。在astrolog32中點(diǎn)擊ALTIFT+A可以顯示相位設(shè)定菜單。在交流電中，相位是反映交流電任何時(shí)刻的狀態(tài)的物理量。交流電的大小和方向是隨時(shí)間變化的。比如正弦交流電流，它的公式是i=Isin2πft。i是交流電流的瞬時(shí)值，I是交流電流的比較大值，f是交流電的頻率，t是時(shí)間。隨著時(shí)間的推移，交流電流可以從零變到比較大值，從** 大值變到零，又從零變到負(fù)的** 大值，從負(fù)的比較大值變到零。在三角函數(shù)中2πft相當(dāng)于弧度，它反映了交流電任何時(shí)刻所處的狀態(tài)，是在增大還是在減小，是正的還是負(fù)的等等。因此把2πft叫做相位，或者叫做相。江蘇RETS-100L相位差測(cè)量?jī)x售后服務(wù)</p><p style="text-indent:25px">蘇州千宇光學(xué)科技有限公司位于蘇州工業(yè)園區(qū)東旺路8號(hào)7B-302室，擁有一支專(zhuān)業(yè)的技術(shù)團(tuán)隊(duì)。專(zhuān)業(yè)的團(tuán)隊(duì)大多數(shù)員工都有多年工作經(jīng)驗(yàn)，熟悉行業(yè)專(zhuān)業(yè)知識(shí)技能，致力于發(fā)展千宇光學(xué)科技的品牌。公司堅(jiān)持以客戶為中心、研發(fā)、銷(xiāo)售：光電材料、電子元器件、計(jì)算機(jī)軟硬件；并提供光電材料、電子元器件、軟件科技領(lǐng)域內(nèi)的技術(shù)開(kāi)發(fā)、技術(shù)咨詢、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓?zhuān)讳N(xiāo)售：半導(dǎo)體材料、儀器儀表、電動(dòng)工具、五金；加工、組裝：自動(dòng)化設(shè)備、機(jī)械設(shè)備；承接：機(jī)械工程、上門(mén)維修、租賃服務(wù)；從事上述產(chǎn)品及技術(shù)的進(jìn)出口業(yè)務(wù)。（依法須經(jīng)批準(zhǔn)的項(xiàng)目。經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng)）市場(chǎng)為導(dǎo)向，重信譽(yù)，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。千宇光學(xué)科技始終以質(zhì)量為發(fā)展，把顧客的滿意作為公司發(fā)展的動(dòng)力，致力于為顧客帶來(lái)***的高低溫光電綜合系統(tǒng)，彎折機(jī)，相位差測(cè)試儀，軸角度測(cè)試儀。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2587033.html</p></div></div></div></div></div><div id="l7jao8w" class="page-right twoColRt"><div id="7sjpydj" class="box01 margin10 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