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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>江蘇先進(jìn)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>2020-11-30 12:07:14</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="vblrvt7" 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="xdjrzv5" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="hn7lnj7" class="box"><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，江蘇先進(jìn)相位差測(cè)量?jī)x售后服務(wù)，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)，江蘇先進(jìn)相位差測(cè)量?jī)x售后服務(wù)，江蘇先進(jìn)相位差測(cè)量?jī)x售后服務(wù)，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。相位差測(cè)試儀有AXOSCAN相位差測(cè)試儀。江蘇先進(jìn)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="江蘇先進(jìn)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">相位檢測(cè)儀器工作原理數(shù)字相位計(jì)一般采用相位-電壓轉(zhuǎn)換法的相位差數(shù)字化測(cè)量方法.它測(cè)量的是同頻信號(hào)的相位差，相位差為φ的兩個(gè)同頻信號(hào)U1(t)和 U2(t)分別經(jīng)過(guò)各自的衰減電路被衰減成為振幅在0.6V到2.0V的基準(zhǔn)電壓，然后送至相應(yīng)的整形電路整形為方波，此時(shí)對(duì)稱調(diào)整電路會(huì)對(duì)這兩個(gè)信號(hào)進(jìn)行對(duì)稱調(diào)整，使得測(cè)量結(jié)果更準(zhǔn)確，這樣就得到了兩個(gè)同頻方波信號(hào)，再經(jīng)過(guò)鑒相脈沖電路得到一個(gè)隨相位差變化而變化的脈沖信號(hào) △t.相位差的數(shù)字化是采用填充計(jì)數(shù)法實(shí)現(xiàn)的，即用周期為τ的脈沖分別對(duì)△t和T進(jìn)行計(jì)數(shù)，則相位差:φ=△tTX360° =n1 Tn2τ X360° =n1n2X360°式子中T為兩個(gè)被測(cè)信號(hào)的周期，n1為△t時(shí)間內(nèi)所填充的脈沖個(gè)數(shù), n2為T時(shí) 間內(nèi)所填充的脈沖個(gè)數(shù)。由于不同的信號(hào)電壓大小不同，所以他們需要進(jìn)入不同的衰減電路,才能保證整個(gè)電路的安全和測(cè)量的準(zhǔn)確性,這就需要一個(gè)精確的自動(dòng)換程電路.而后續(xù)的信號(hào)處理需要--個(gè)幅值穩(wěn)定在-一個(gè)范圍內(nèi)的基準(zhǔn)信號(hào)，這就需要通過(guò)衰減器來(lái)實(shí)現(xiàn).江蘇先進(jìn)相位差測(cè)量?jī)x售后保障對(duì)應(yīng)樣品尺寸：可定制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇先進(jìn)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/637304283297490234/9619687.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(jiǎn)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(wèn)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(guò)波形變換電路將方波信號(hào)還原成正弦波信號(hào)。</p><p style="text-indent:25px">專業(yè)性：光學(xué)博士團(tuán)隊(duì)合力研發(fā)，追求國(guó)產(chǎn)替代。精心打造的每一臺(tái)設(shè)備出貨前都會(huì)用國(guó)家i級(jí)計(jì)量標(biāo)準(zhǔn)片進(jìn)行校驗(yàn) 打破國(guó)外壟斷主要精度數(shù)據(jù)：整機(jī)尺寸：根據(jù)客戶樣品尺寸定制；對(duì)應(yīng)樣品尺寸：可定；制軸角度測(cè)量范圍：0°~180°；數(shù)據(jù)輸出：電腦連接；軸角度精度：±0.05°（精度業(yè)內(nèi)zui高）；測(cè)量重復(fù)性：0.02° （精度業(yè)內(nèi)zui高）；相位差重復(fù)性精度：３σ≦０．１nm；測(cè)量波段：550nm單波段（可根據(jù)客戶要求定制波段）可升級(jí)為380nm~780nm。相位差測(cè)試儀：離型膜相位差測(cè)試儀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇先進(jìn)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/637304283103857422/3292206.png"></div><p> 相位差測(cè)量?jī)x主要是由鎖相環(huán)產(chǎn)生360倍頻基準(zhǔn)信號(hào)和移相網(wǎng)絡(luò)的基準(zhǔn)信號(hào)與待測(cè)信號(hào)進(jìn)行異或后的信號(hào)作為顯示器的閘門電路和控制信號(hào)。頻率測(cè)量模塊主要是用計(jì)數(shù)法測(cè)量頻率的，它是有某個(gè)已知 </p> <p> 標(biāo)準(zhǔn)時(shí)間間隔Ts內(nèi)，測(cè)出被測(cè)信號(hào)重復(fù)出現(xiàn)的次數(shù)N，然后計(jì)算出頻率f=N/Ts.顯示電路模塊主要是由計(jì)數(shù)器、鎖存器、譯碼器和數(shù)碼管組成。 </p> <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。專業(yè)性:光學(xué)博士團(tuán)隊(duì)合力研發(fā)，追求國(guó)產(chǎn)替代。江蘇KOBRA相位差測(cè)量?jī)x性價(jià)比高</p><p style="text-indent:25px">偏光片吸收軸角度、偏振片偏振方向。江蘇先進(jìn)相位差測(cè)量?jī)x售后服務(wù)</p><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(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(lái)，跟著科學(xué)技術(shù)的迅速開(kāi)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(kāi)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(guò)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(wú)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 /> 江蘇先進(jìn)相位差測(cè)量?jī)x售后服務(wù)</p></p><br /><p>文章來(lái)源地址: 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