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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2p78ufw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282689248047/1940273.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2nrdfry" 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>江蘇離型膜相位差測量儀廠家直銷,相位差測量儀</p><p><span>***更新：</span>2020-07-30 10:06:25</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="cj29nug" 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="uztkhoq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3cjgnp3" class="box"><p><p> 相位測量技術(shù)的研究由來已久。**早的研究和應(yīng)用領(lǐng)域是數(shù)學(xué)矢量分析、物理圓周運(yùn)動(dòng)和振動(dòng)。隨著電子技術(shù)和計(jì)算機(jī)技術(shù)的發(fā)展，相位測量技術(shù)得到了迅速的發(fā)展。目前，相位測量技術(shù)更加完善，測量方法和理論更加成熟，相位測量儀器已經(jīng)實(shí)現(xiàn)了系列化和商品化。一種 </p> <p> 現(xiàn)代相位測量技術(shù)的發(fā)展可分為三個(gè)階段：***階段是早期的阻抗法、和差法、三電壓法、對(duì)比法和平衡法。雖然方法簡單，但測量精度較低，第二階段是數(shù)字化 </p> <p> 第三階段是充分利用計(jì)算機(jī)和智能虛擬測量技術(shù)，使設(shè)計(jì)過程**簡化，功能增強(qiáng)，使相應(yīng)的產(chǎn)品更加精確和實(shí)用。同時(shí)，各種新的算法也出現(xiàn)了。 </p> <p> <br /> </p> <p> <br /> 相位差延遲量，江蘇離型膜相位差測量儀廠家直銷、橢偏率、配向角，江蘇離型膜相位差測量儀廠家直銷，江蘇離型膜相位差測量儀廠家直銷，色度、多波段測試(380nm~780nm）、偏光度。江蘇離型膜相位差測量儀廠家直銷</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇離型膜相位差測量儀廠家直銷,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282689248047/1940273.png"></div><p style="text-indent:25px">所謂移相是指兩種同頻的信號(hào)，以其中的一路為參考，另一路相?對(duì)于該參考作超前或滯后的移動(dòng)，即稱為是相位的移動(dòng)。兩路信號(hào)的?相位不同，便存在相位差，簡稱相差。若我們將一個(gè)信號(hào)周期看作是?360，則相差的范圍就在0°～360°。：兩個(gè)同頻信號(hào)之間的移相，?是電子行業(yè)繼電保護(hù)領(lǐng)域中模擬、分析問題的一個(gè)重要手段，利用移?相原理可以制作校驗(yàn)各種有關(guān)相位的儀器儀表、繼電保護(hù)裝置的信號(hào)?源。因此，移相技術(shù)有著特別廣的實(shí)用價(jià)值。我們知道，將參考信號(hào)整?形為方波信號(hào)，并以此信號(hào)為基準(zhǔn)，延時(shí)產(chǎn)生另一個(gè)同頻的方波信號(hào)，?再通過波形變換電路將方波信號(hào)還原成正弦波信號(hào)。江蘇薄膜相位差測量儀性價(jià)比高相位差測試儀：KOBRA相位差測試儀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇離型膜相位差測量儀廠家直銷,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304281612314453/3724707.png"></div><p style="text-indent:25px">相位差測量兩個(gè)正弦電量可以是電壓和電流，或者一個(gè)是電壓，一個(gè)是電流等，對(duì)應(yīng)點(diǎn)通常是從負(fù)到正的過零點(diǎn)，相當(dāng)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(fù)號(hào)表示超前或滯后關(guān)系。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。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(jì)、數(shù)字相位計(jì)等**儀器或用負(fù)示波器測量相位差。當(dāng)使用陰極示波器時(shí)，將兩個(gè)相同頻率的正弦電壓信號(hào)分別加到示波器的X軸和Y軸上。然后兩個(gè)正弦電壓之間的相位差為∮=電弧正弦（B/α）。</p><p> 主要精度數(shù)據(jù)： </p> <p> 測試對(duì)象：偏光片，相位差膜，光學(xué)膜 </p> <p> 測試項(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> 測試光斑：約5mm </p> <p> 軸角度測量范圍：0°~180° </p> <p> 偏光度 </p> <p> 重復(fù)性：３σ≦０．００１% </p> <p> 可實(shí)現(xiàn)指定波長透過率測量 </p> <p> 軸角度精度：±0.05°（高精度模式） </p> <p> 測量重復(fù)性：0.02° （高精度模式） </p> <p> 相位差測亮范圍：0~20000nm </p> <p> 相位差重復(fù)性精度：３σ≦０．１nm； </p> <p> 測量波段：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° 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="江蘇離型膜相位差測量儀廠家直銷,相位差測量儀" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282372529297/3872049.png"></div><p style="text-indent:25px">偏光片關(guān)鍵層-PVA PVA膜 (PolyvinylAlcohol)全稱聚乙烯醇薄膜，其組分主要是碳?xì)溲醯容p原子，因此具有高透光和高延展性等特點(diǎn)。PVA分子本來是任意角度無規(guī)則性分布的，PET相位差測試儀，在一定溫度和濕度條件下，受力拉伸后就逐漸偏轉(zhuǎn)于作用力方向，趨向于成直線狀分布。拉伸后的PVA分子沿拉伸方向直線排列，拉伸膜相位差測試儀，吸附在PVA層上的染料分子也跟隨著有方向性的偏轉(zhuǎn)，形成或染料分子的長鏈。因?yàn)榈怆x子(或染料分子)有很好的起偏性，它可以吸收平行于其排列方向的偏振光，金華相位差測試儀，只讓垂直方向的偏振光通過，利用這樣的原理就可制造偏光膜。相位差測試儀的數(shù)據(jù)輸出：電腦連接。江蘇日文王子相位差測量儀口碑推薦</p><p style="text-indent:25px">軸角度測量范圍：0°~180° 。江蘇離型膜相位差測量儀廠家直銷</p><p style="text-indent:25px">相位的概念? 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。相位描述信號(hào)波形變化的度量，通常以度?（角度）作為單位，也稱作相角。?當(dāng)信號(hào)波形以周期的方式變化，波形循環(huán)一周即為360°?。? 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稱為相位。在astrolog32中點(diǎn)擊ALT+SHIFT+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。江蘇離型膜相位差測量儀廠家直銷</p><p style="text-indent:25px">蘇州千宇光學(xué)科技有限公司創(chuàng)立于2019-10-30，總部位于江蘇省蘇州市，是一家研發(fā)、銷售：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)開發(fā)、技術(shù)咨詢、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓；銷售：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)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng)）的公司。公司自2019-10-30成立以來，投身于[ "高低溫光電綜合系統(tǒng)", "彎折機(jī)", "", "" ]，是機(jī)械及行業(yè)設(shè)備的主力軍。公司終堅(jiān)持自主研發(fā)創(chuàng)新發(fā)展理念，不斷優(yōu)化的技術(shù)、產(chǎn)品為客戶帶來效益，目前年?duì)I業(yè)額達(dá)到2000-3000萬元。千宇光學(xué)科技創(chuàng)始人密振宇，始終關(guān)注客戶，以優(yōu)化創(chuàng)新的科技，竭誠為客戶提供比較好的服務(wù)。</p></p><br /><p>文章來源地址: 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