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clearfix"><h1>江蘇**相位差測(cè)量?jī)x質(zhì)量推薦蘇州千宇光學(xué)科技供應(yīng)</h1><div id="wqs9i2w" class="proBig"><div id="2qptv28" class="bigimg"><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 id="ru3ahzw" 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="az7l7b2" 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**相位差測(cè)量?jī)x質(zhì)量推薦,相位差測(cè)量?jī)x</p><p><span>***更新：</span>2020-08-03 21:17:55</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="bkrqheg" 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="mqictk8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="a2oqn7o" class="box"><p><p style="text-indent:25px">性能可靠：對(duì)正弦/三角/梯形波/方波的相位差進(jìn)行精密測(cè)量；高度集成，精度高；參數(shù)指標(biāo)：輸入信號(hào)波形正弦/三角/梯形波/方波輸入阻抗1MΩ相位范圍0°to360°or±180°頻率范圍10Hz～99Hz幅度范圍～250V分六個(gè)量程，自動(dòng)選擇量程測(cè)量精度相位測(cè)量精度±1°（典型值正弦波：10Hz-99Hz）相位分辨率°相位重復(fù)性±°或更好頻率測(cè)量精度±頻率分辨率幅度精度±幅度分辨率1mV、、環(huán)境特性工作溫度0℃～＋50℃相對(duì)濕度≤90%（40℃）存儲(chǔ)溫度-30℃～＋70℃供電電源交流220V±10%，50Hz±5%，功率小于75W機(jī)箱尺寸3U，19″標(biāo)準(zhǔn)機(jī)箱（上機(jī)架）482mm（寬）x370（深）x150mm（高）測(cè)相位差原理分析一般測(cè)量相位差有如下兩種方法：方法1：:將兩路同頻不同相的方波信號(hào)異或后得到的脈沖寬度t與方波信號(hào)的周期T的比值（占空比），江蘇**相位差測(cè)量?jī)x質(zhì)量推薦，即對(duì)應(yīng)為兩信號(hào)的相位差，如下所示：?異或測(cè)量相位差的原理方法2：通過捕獲處理后的兩通道的方波，就可計(jì)算出相位，江蘇**相位差測(cè)量?jī)x質(zhì)量推薦。相位差延遲量、橢偏率、配向角，江蘇**相位差測(cè)量?jī)x質(zhì)量推薦，色度、多波段測(cè)試(380nm~780nm）、偏光度。江蘇**相位差測(cè)量?jī)x質(zhì)量推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇**相位差測(cè)量?jī)x質(zhì)量推薦,相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282689248047/1940273.png"></div><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**相位差測(cè)量?jī)x質(zhì)量推薦測(cè)量波段：550nm單波段可升級(jí)為380nm~780nm 上料方式：手動(dòng)上料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇**相位差測(cè)量?jī)x質(zhì)量推薦,相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304282979365234/1669802.png"></div><p style="text-indent:25px">能提供固定或可變相移量的無耗二端口網(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**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**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**叉進(jìn)行檢查，解決了相鄰區(qū)段有車占用時(shí)極**叉無法檢查的問題。</p><p style="text-indent:25px">相位差的丈量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挑選。常用的辦法是直接法和間接法。間接法一般選用三電壓表法。 -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。整機(jī)對(duì)應(yīng)樣品皆可定制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇**相位差測(cè)量?jī)x質(zhì)量推薦,相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283662138672/3154010.png"></div><p> 相位差測(cè)試儀是工業(yè)領(lǐng)域中是常常用到的一般測(cè)量東西，比如在電力系統(tǒng)中電網(wǎng)并網(wǎng)合閘時(shí)，需求兩電網(wǎng)的電信號(hào)相同,這就需求準(zhǔn)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)的相位差在研討網(wǎng)絡(luò)、系統(tǒng)的頻率特性中具備重要意義。相位測(cè)量的方法許多，典型的.傳統(tǒng)方法是通過顯示器觀測(cè)，這種方法誤差較大，讀數(shù)不方便。為此，我們規(guī)劃了-種數(shù)字相位差測(cè)量?jī)x,完成了兩列信號(hào)相位差的自動(dòng)測(cè)量及數(shù)顯。近年來，跟著科學(xué)技術(shù)的迅速開展，許多測(cè)量?jī)x逐步向“智能儀器”和“自動(dòng)測(cè)試系統(tǒng)”開展，這使得儀器的運(yùn)用比較簡(jiǎn)單,功能越越多。 </p> <p> 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)的抗煩擾性，習(xí)氣各種電磁場(chǎng)煩擾場(chǎng)合。被測(cè)高電壓相位信號(hào)由采集器取出，通過處理后直接發(fā)射出去。由接收器接收并進(jìn)行相位比較,對(duì)核相后的成果定性。因本產(chǎn)品是無線傳輸，真實(shí)到達(dá)安全可靠、快速準(zhǔn)確，習(xí)氣各種核相場(chǎng)合。 </p> <p> <br /> </p> <p> <br /> 此光軸跟基方向呈現(xiàn)吸收狀態(tài)(透光率比較低)。江蘇日本大冢相位差測(cè)量?jī)x廠家直銷</p><p style="text-indent:25px">測(cè)量波段：550nm單波段（可根據(jù)客戶要求定制波段）。江蘇**相位差測(cè)量?jī)x質(zhì)量推薦</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(gè)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(hào)功率與信號(hào)的總功率比值。相位差兩個(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)。例如研究加在電路上的交流電壓和通過這個(gè)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(shí)候，交流電流也等于零，交流電壓變到比較大值的時(shí)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(cè)量當(dāng)今，相位的測(cè)量需求日益增長(zhǎng)。高精度測(cè)距大多采用的是激光相位式測(cè)距。相位式測(cè)距是通過測(cè)量連續(xù)的幅度調(diào)制信號(hào)在待測(cè)距離上往返傳播所產(chǎn)生的相位延遲。江蘇**相位差測(cè)量?jī)x質(zhì)量推薦</p><p style="text-indent:25px">蘇州千宇光學(xué)科技有限公司成立于2019-10-30，專業(yè)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(yíng)活動(dòng)）等多項(xiàng)業(yè)務(wù)，主營(yíng)業(yè)務(wù)涵蓋[ "高低溫光電綜合系統(tǒng)", "彎折機(jī)", "", "" ]。唯才是舉，唯能是用：擁有優(yōu)秀人才11~50人和，是實(shí)現(xiàn)企業(yè)戰(zhàn)略目標(biāo)的基礎(chǔ)，是企業(yè)持續(xù)發(fā)展的動(dòng)力。公司以誠(chéng)信為本，業(yè)務(wù)領(lǐng)域涵蓋[ "高低溫光電綜合系統(tǒng)", "彎折機(jī)", "", "" ]，我們本著對(duì)客戶負(fù)責(zé)，對(duì)員工負(fù)責(zé)，更是對(duì)公司發(fā)展負(fù)責(zé)的態(tài)度，爭(zhēng)取做到讓每位客戶滿意。一直以來公司堅(jiān)持以客戶為中心、[ "高低溫光電綜合系統(tǒng)", "彎折機(jī)", "", "" ]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。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/798812.html</p></div></div></div></div></div><div id="zspbdug" 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