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src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304281938291016/8047698.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="c42e8eo" 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>江蘇國(guó)產(chǎn)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>2020-08-01 01:08:00</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="wdz27nc" 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="apwov7k" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="pew7kwt" class="box"><p><p style="text-indent:25px">相位是關(guān)于一個(gè)波，特定的時(shí)刻在它循環(huán)中的方位:-種它是否在波峰、波谷或它們之間的某點(diǎn)的標(biāo)度。相位描繪信號(hào)波形改動(dòng)的衡量，通常以度(視點(diǎn))作為單位，也稱作相角。當(dāng)信號(hào)波形以周期的辦法改動(dòng)，波形循環(huán)一周即為360°。相位常應(yīng)用在科學(xué)領(lǐng)域，江蘇國(guó)產(chǎn)相位差測(cè)量?jī)x技術(shù)指導(dǎo)，江蘇國(guó)產(chǎn)相位差測(cè)量?jī)x技術(shù)指導(dǎo)，如數(shù)學(xué)、物理學(xué)等。例如:在函數(shù)y=Acos(∞x+φ)中，Wx+中稱為相位。在astrolog32中點(diǎn)擊ALTIFT+A可以顯示相位設(shè)定菜單。在溝通電中，相位是反映溝通電任何時(shí)刻的情況的物理量。溝通電的大小和方向是隨時(shí)刻改動(dòng)的。比方正弦溝通電流,它的公式是i=Isin2Tft。i是溝通電流的瞬時(shí)值，I是溝通電流的比較大值，f是溝通電的頻率，t是時(shí)刻。跟著時(shí)刻的推移，溝通電流可以從零變到比較大值，江蘇國(guó)產(chǎn)相位差測(cè)量?jī)x技術(shù)指導(dǎo),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。在三角函數(shù)中2Jft相當(dāng)于弧度，它反映了溝通電任何時(shí)刻地點(diǎn)的情況，是在增大仍是在減小，是正的仍是負(fù)的等等。因而把2兀ft叫做相位，或許叫做相。整機(jī)尺寸：根據(jù)客戶樣品尺寸定制。江蘇國(guó)產(chǎn)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="江蘇國(guó)產(chǎn)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">相位差，物理學(xué)概念。兩個(gè)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(gè)頻率相同的交流電，可以是兩個(gè)交流電流，可以是兩個(gè)交流電壓，可以是兩個(gè)交流電動(dòng)勢(shì)，也可以是這三種量中的任何兩個(gè)。一臺(tái)高精度相位差測(cè)量?jī)x對(duì)相位差的測(cè)量尤為重要。相位差與相位的關(guān)系（1）當(dāng)j12>0時(shí)，稱***個(gè)正弦量比第二個(gè)正弦量的相位越前（或超前）j12；（2）當(dāng)j12<0時(shí)，稱***個(gè)正弦量比第二個(gè)正弦量的相位滯后（或落后）|j12|；（3）當(dāng)j12=0時(shí)，稱***個(gè)正弦量與第二個(gè)正弦量同相，如圖7-1(a）所示；（4）當(dāng)j12=±π或±180°時(shí)，稱***個(gè)正弦量與第二個(gè)正弦量反相；（5）當(dāng)j12=±π/2或±90°時(shí)，稱***個(gè)正弦量與第二個(gè)正弦量正交。相位差示例1.已知u=311sin（314t-30°）V，I=5sin（314t+60°）A，則u與i的相位差為jui=(-30°）-(+60°）=-90°，即u比i滯后90°，或i比u超前90°。相位差的取值范圍和初相一樣，小于等于π（180°）.對(duì)于超出范圍的，同樣可以用加減2Nπ來(lái)解決.2.研究交流電路的相位差.如果電路含有電感和電容，對(duì)于純電容電路電壓相位滯后于電流（電壓滯后電流多少度也可以表述成電流超前電壓多少度），純電感電路電流相位滯后于電壓。江蘇光學(xué)膜相位差測(cè)量?jī)x售后保障相位差測(cè)試儀：偏光片相位差測(cè)試儀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇國(guó)產(chǎn)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/637304282805332031/666775.png"></div><p style="text-indent:25px">能提供固定或可變相移量的無(wú)耗二端口網(wǎng)絡(luò)稱為固定或可變移相器。數(shù)字處理技術(shù)的發(fā)展日新月異，隨著集成電路技術(shù)和軟件技術(shù)的不斷發(fā)展和解決復(fù)雜問(wèn)題能力的不斷提高，DSP技術(shù)的出現(xiàn)使得測(cè)量?jī)x器集成度高，穩(wěn)定性好，測(cè)量速度快，精度高，操作簡(jiǎn)捷，功能也越來(lái)越強(qiáng)大。目前，國(guó)內(nèi)相位計(jì)生產(chǎn)廠家或研究單位明顯存在著技術(shù)老化問(wèn)題，其采用的器件、方法和技術(shù)與技術(shù)先進(jìn)國(guó)家有較大的差距。而最近發(fā)展的先進(jìn)的計(jì)算機(jī)技術(shù)、電子技術(shù)等卻由于技術(shù)、資金、管理等方面的原因未能應(yīng)用于相位測(cè)量技術(shù)，因此國(guó)內(nèi)相位測(cè)量的水平有著相當(dāng)大的差距。同時(shí)，隨著國(guó)防和科教等領(lǐng)域的發(fā)展，迫切需要高精度高性能的相位測(cè)量系統(tǒng)，而且在一些特殊工程領(lǐng)域，還需要測(cè)量?jī)x器具備其它特殊功能。由此可見，為縮小這些差距，對(duì)高精度相位測(cè)量算法的研究和相位測(cè)量系統(tǒng)的設(shè)計(jì)刻不容緩。推薦產(chǎn)品本文給大家介紹一套較完整的數(shù)字高精度相位計(jì)，提高相位及頻率參數(shù)的測(cè)量精度，并擴(kuò)展測(cè)相系統(tǒng)功能，該設(shè)備具有操作簡(jiǎn)便、使用方便、安全，由于采用電流耦合、高阻輸入方式對(duì)軌道電路相位差、相鄰區(qū)段極性交叉進(jìn)行檢查，解決了相鄰區(qū)段有車占用時(shí)極性交叉無(wú)法檢查的問(wèn)題。</p><p> 相位測(cè)量技術(shù)的研究由來(lái)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(cè)量技術(shù)得到了迅速的發(fā)展。目前，相位測(cè)量技術(shù)更加完善，測(cè)量方法和理論更加成熟，相位測(cè)量?jī)x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(cè)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(jiǎn)單，但測(cè)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(cè)量技術(shù)，使設(shè)計(jì)過(guò)程大大簡(jiǎn)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 /> 高精度軸角度相位差透過(guò)率，色度(La、 b)，偏光度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇國(guó)產(chǎn)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/637304282979365234/1669802.png"></div><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。狹縫:可選擇狹縫寬度(25um、 50um、100um、 200um )。江蘇日本大冢相位差測(cè)量?jī)x技術(shù)指導(dǎo)</p><p style="text-indent:25px">精心打造的每一-臺(tái)設(shè)備出貨前都會(huì)用國(guó) 家級(jí)計(jì)量標(biāo)準(zhǔn)片進(jìn)行校驗(yàn)。江蘇國(guó)產(chǎn)相位差測(cè)量?jī)x技術(shù)指導(dǎo)</p><p style="text-indent:25px">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，功能越越多。江蘇國(guó)產(chǎn)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)科技有限公司屬于機(jī)械及行業(yè)設(shè)備的高新企業(yè)，技術(shù)力量雄厚。千宇光學(xué)科技是一家有限責(zé)任公司企業(yè)，一直貫徹“以人為本，服務(wù)于社會(huì)”的經(jīng)營(yíng)理念;“優(yōu)質(zhì)高速，誠(chéng)守信譽(yù)，持續(xù)發(fā)展”的質(zhì)量方針。公司始終堅(jiān)持客戶需求第一的原則，致力于提供高質(zhì)量的[ "高低溫光電綜合系統(tǒng)", "彎折機(jī)", "", "" ]。千宇光學(xué)科技將以真誠(chéng)的服務(wù)、創(chuàng)新的理念、高品質(zhì)的產(chǎn)品，為彼此贏得全新的未來(lái)！</p></p><br /><p>文章來(lái)源地址: 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