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clearfix"><h1>江蘇離型膜相位差測(cè)量?jī)x技術(shù)指導(dǎo) 蘇州千宇光學(xué)科技供應(yīng)</h1><div id="sgowmaq" class="proBig"><div id="ke44sek" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283662138672/3154010.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qk2a4em" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283662138672/3154010.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uwag2yo" 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(cè)量?jī)x技術(shù)指導(dǎo),相位差測(cè)量?jī)x</p><p><span>***更新：</span>2020-09-14 00:14:45</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="sqqyec2" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="4mag24e" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2am4m2g" class="box"><p><p> 相位差測(cè)試儀測(cè)試小科普： </p> <p> 1.Q：軸角度是吸收軸角度嗎？ </p> <p> A：否。①吸收軸角度，是指透過(guò)光線(xiàn)在某一方向呈現(xiàn)吸收狀態(tài)（透光率比較低），此光軸跟基準(zhǔn)邊的夾角，江蘇離型膜相位差測(cè)量?jī)x技術(shù)指導(dǎo)。通常同偏光軸（透過(guò)軸）垂直相交，江蘇離型膜相位差測(cè)量?jī)x技術(shù)指導(dǎo)。 ②軸角度定義適用于雙折射樣品（產(chǎn)生相位差的樣品），在國(guó)際上普遍定義為慢軸與基準(zhǔn)邊的夾角。 </p> <p> 2. Q：配向角（取向角）是指軸角嗎？ </p> <p> A：否。配向角是軸角在垂直方向的投影。當(dāng)水平放置樣品時(shí)，江蘇離型膜相位差測(cè)量?jī)x技術(shù)指導(dǎo)，配向角=軸角。當(dāng)樣品傾斜時(shí)，配向角會(huì)隨著樣品的翻轉(zhuǎn)而變化，所以在測(cè)量配向角時(shí)候，需要知道樣品與水平面的夾角。單波段(550nm為主)/多波段測(cè)試(380nm"nn為主)。江蘇離型膜相位差測(cè)量?jī)x技術(shù)指導(dǎo)</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(cè)量?jī)x技術(shù)指導(dǎo),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283662138672/3154010.png"></div><p style="text-indent:25px">來(lái)間接的測(cè)定信號(hào)傳播的時(shí)間，從而求得被測(cè)距離的。因此，信號(hào)相位測(cè)量的精度也就決定了測(cè)距的精度。相位測(cè)量技術(shù)的研究由來(lái)已久，**早的研究和應(yīng)用是在數(shù)學(xué)的矢量分析和物理學(xué)的圓周運(yùn)動(dòng)以及振動(dòng)學(xué)方面，隨之在電力部門(mén)、機(jī)械部門(mén)、航空航天、地質(zhì)勘探、海底資源等方面也相應(yīng)得到重視和發(fā)展。隨著電子技術(shù)和計(jì)算機(jī)技術(shù)的發(fā)展，相位測(cè)量技術(shù)得到了迅速的發(fā)展，目前相位測(cè)量技術(shù)已較完善，測(cè)量方法及理論也比較成熟，相位測(cè)量?jī)x器已系列化和商品化?，F(xiàn)代相位測(cè)量技術(shù)的發(fā)展可分為三個(gè)階段：***階段是在早期采用的諸如阻抗法、和/差法、三電壓法、比對(duì)法和平衡法等，雖然方法簡(jiǎn)單，但測(cè)量精度較低；第二階段是利用數(shù)字**電路、微處理器、FPGA/CPLD、DSP等構(gòu)成測(cè)相系統(tǒng)，使測(cè)量精度得以**提高；第三階段是充分利用計(jì)算機(jī)及智能化虛擬測(cè)量技術(shù)，從而**簡(jiǎn)化設(shè)計(jì)程序，增強(qiáng)功能，使得相應(yīng)的產(chǎn)品精度更高、功能更全。同時(shí)，各種新的算法也隨之出現(xiàn)。相位測(cè)量是正弦信號(hào)經(jīng)過(guò)不同的時(shí)間或不同的網(wǎng)絡(luò)后可以有不同的相位。通常所謂相位測(cè)量是指對(duì)兩個(gè)同頻率信號(hào)之間相位差的測(cè)量。**常見(jiàn)的是對(duì)網(wǎng)絡(luò)輸入與輸出信號(hào)的相位差，即網(wǎng)絡(luò)相移的測(cè)量。江蘇**相位差測(cè)量?jī)x質(zhì)量推薦對(duì)應(yīng)樣品尺寸：可定制，軸角度測(cè)量范圍：0°~180°。</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(cè)量?jī)x技術(shù)指導(dǎo),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304281938291016/8047698.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)。</p><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(xiàn)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。傾斜旋轉(zhuǎn)臺(tái)規(guī)格:傾斜角度范圍:一60° ~十60' **小角度: 0. 1。旋轉(zhuǎn)角度范舊: - 180° ~+ 180° 旋轉(zhuǎn)**小角度: 0. 1。</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(cè)量?jī)x技術(shù)指導(dǎo),相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304281612314453/3724707.png"></div><p style="text-indent:25px">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。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。?高精度軸角度相位差測(cè)量?jī)x相位差(0 20000nm)。江蘇光學(xué)膜相位差測(cè)量?jī)x服務(wù)保障</p><p style="text-indent:25px">測(cè)量重復(fù)性：0.02° （精度業(yè)內(nèi)比較高）。江蘇離型膜相位差測(cè)量?jī)x技術(shù)指導(dǎo)</p><p style="text-indent:25px">兩個(gè)頻率相同的溝通電相位的差叫做相位差，或者叫做相差。這兩個(gè)頻率相同的溝通電，可所以?xún)蓚€(gè)溝通電流，可所以?xún)蓚€(gè)溝通電壓，可. 所以?xún)蓚€(gè)溝通電動(dòng)勢(shì)，也可所以這三種量中的任何兩個(gè)。兩個(gè)同頻率正弦量的相位差就等于初相之差。是一個(gè)不隨時(shí)刻改變的常數(shù)。也可所以一個(gè)元件_上的電流與電壓的相位改變。兩正弦電量可以同為電壓、電流，或一為電壓、-為電流等。對(duì)應(yīng)點(diǎn)常取正弦電量由負(fù)到正的過(guò)零點(diǎn)，相當(dāng)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(fù)號(hào)表示搶先或滯后聯(lián)系。待測(cè)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(lái)挑選。常用的辦法是直接法和間接法。江蘇離型膜相位差測(cè)量?jī)x技術(shù)指導(dǎo)</p><p style="text-indent:25px">蘇州千宇光學(xué)科技有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。千宇光學(xué)科技作為研發(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(xún)、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)）的企業(yè)之一，為客戶(hù)提供良好的高低溫光電綜合系統(tǒng)，彎折機(jī)，，。千宇光學(xué)科技致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶(hù)產(chǎn)品上的貼心，為用戶(hù)帶來(lái)良好體驗(yàn)。千宇光學(xué)科技始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿(mǎn)足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1269716.html</p></div></div></div></div></div><div id="q2u2kiy" class="page-right twoColRt"><div id="ukksoki" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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