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src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283374638672/8786600.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hubsz2g" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283374638672/8786600.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="obcjaht" 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質(zhì)量保證,相位差測(cè)量?jī)x</p><p><span>***更新：</span>2020-09-13 16:03:33</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="23lnzlh" 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="3h8d2ic" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="jryf78d" 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，江蘇先進(jìn)相位差測(cè)量?jī)x質(zhì)量保證，它的公式是i=Isin2πft，江蘇先進(jìn)相位差測(cè)量?jī)x質(zhì)量保證。i是交流電流的瞬時(shí)值，江蘇先進(jìn)相位差測(cè)量?jī)x質(zhì)量保證，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。測(cè)試誤區(qū)：軸角度不是吸收軸角度。江蘇先進(jìn)相位差測(cè)量?jī)x質(zhì)量保證</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質(zhì)量保證,相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283374638672/8786600.png"></div><p style="text-indent:25px">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。由接收器接收并進(jìn)行相位比較，對(duì)核相后的結(jié)果定性。因本產(chǎn)品是無(wú)線傳輸，真正達(dá)到安全可靠、快速準(zhǔn)確,適應(yīng)各種核相場(chǎng)合。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)。兩個(gè)同頻率正弦量的相位差就等于初相之差。是一一個(gè)不隨時(shí)間變化的常數(shù)。江蘇離型膜相位差測(cè)量?jī)x口碑推薦相位差測(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="江蘇先進(jìn)相位差測(cè)量?jī)x質(zhì)量保證,相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304281938291016/8047698.png"></div><p style="text-indent:25px">相位測(cè)量技術(shù)的研討由來(lái)已久，**早的研討和應(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，隨之在電力部分、機(jī)械部分、航空航天、地質(zhì)勘探、海底資源等方面也相應(yīng)得到注重和展開(kāi)。跟著電子技術(shù)和計(jì)算機(jī)技術(shù)的展開(kāi)，相位測(cè)量技術(shù)得到了靈敏的展開(kāi)，現(xiàn)在相位測(cè)量技術(shù)已較完善，測(cè)量方法及理論也比較老練，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)的展開(kāi)可分為三個(gè)階段:***階段是在前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)略，但測(cè)量精度較低;第二階段是運(yùn)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;第三階段是充分運(yùn)用計(jì)算機(jī)及智能化虛擬測(cè)量技術(shù)，然后**簡(jiǎn)化規(guī)劃程序，增強(qiáng)功用，使得相應(yīng)的產(chǎn)品精度更高、功用更全。一起，各種新的算法也隨之出現(xiàn)。</p><p style="text-indent:25px">該設(shè)備是對(duì)對(duì)正弦/三角/梯形波/方波的相位差進(jìn)行精密測(cè)量，具有高度集成，精度高；穩(wěn)定性好，性能可靠，操作簡(jiǎn)便、使用方便、安全等特點(diǎn)，相控雷達(dá)陣、無(wú)線電導(dǎo)航系統(tǒng)、自動(dòng)控制系統(tǒng)的測(cè)距和定位，電力系統(tǒng)中相電壓的相位差測(cè)量等都有廣泛應(yīng)用。該套高精度相位差測(cè)量?jī)x的部分參數(shù)如下：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～20KHz幅度范圍～100Vrms測(cè)量精度相位測(cè)量精度±°相位分辨率°頻率測(cè)量精度2E-6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）選件根據(jù)客戶要求定做類似產(chǎn)品。高精度相位差測(cè)量?jī)x主要是由鎖相環(huán)PLL（PhaseLockLoop）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)。在電子系統(tǒng)非常廣泛應(yīng)用領(lǐng)域內(nèi)，到處可見(jiàn)到處理離散信息的數(shù)字電路，在電子技術(shù)中，頻率是**基本的參數(shù)之一。現(xiàn)代相位測(cè)量技術(shù)的發(fā)展可分為三個(gè)階段：***個(gè)階段是早期采用的諸如阻抗法、和/差法、三電壓法、對(duì)比法和平衡法等。可溯源性:可提供計(jì)量檢測(cè)報(bào)告。</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質(zhì)量保證,相位差測(cè)量?jī)x" src="https://tyunfile.71360.com/UploadFile/SZqianyuguangxue/637304283103857422/3292206.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(lái)是任意角度無(wú)規(guī)則性分布的，PET相位差測(cè)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(cè)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(zhǎng)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(cè)試儀，只讓垂直方向的偏振光通過(guò)，利用這樣的原理就可制造偏光膜。軸角度測(cè)量范圍：0°~180° 。江蘇日文王子相位差測(cè)量?jī)x廠家直銷</p><p style="text-indent:25px">軸角度精度：±0.05°（精度業(yè)內(nèi)比較高）。江蘇先進(jìn)相位差測(cè)量?jī)x質(zhì)量保證</p><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。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。因本產(chǎn)品是無(wú)線傳輸，真正達(dá)到安全可靠、快速準(zhǔn)確，適應(yīng)各種核相場(chǎng)合。江蘇先進(jìn)相位差測(cè)量?jī)x質(zhì)量保證</p><p style="text-indent:25px">蘇州千宇光學(xué)科技有限公司位于蘇州工業(yè)園區(qū)東旺路8號(hào)7B-302室。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下高低溫光電綜合系統(tǒng)，彎折機(jī)，，深受客戶的喜愛(ài)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備良好品牌。千宇光學(xué)科技憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1269244.html</p></div></div></div></div></div><div id="i82ar2b" class="page-right twoColRt"><div id="ibiu8xx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yhj2sjk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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