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href="http://www.cdcfah.com/cp/third-dzcpzzsbqy_qtdzcpzzsbvn/">其他電子產(chǎn)品制造設(shè)備</a>?智能音箱功能測(cè)試軟件合肥榮方自動(dòng)化科技供應(yīng)</p><div id="eonb3cr" class="leftbox clearfix"><h1>智能音箱功能測(cè)試軟件合肥榮方自動(dòng)化科技供應(yīng)</h1><div id="nt7osn1" class="proBig"><div id="vyf7i0e" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bmhcd8181/637440916668154002/6752507.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="86x7sjs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/bmhcd8181/637440916668154002/6752507.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="42zmpox" 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>安徽省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>智能音箱功能測(cè)試軟件,功能測(cè)試</p><p><span>***更新：</span>2021-01-14 09:30:37</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="jetktjo" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">合肥榮方自動(dòng)化科技有限公司</a></p><p><span>聯(lián)系人：</span>黃經(jīng)理</p><p><span>郵箱: </span>15221202014@163.com</p><p><span>電話: </span>15056078181</p><p><span>傳真: </span>0551_</p><p><span>網(wǎng)址: </span>http://hcd8181.shop.88360.com</p><p><span>手機(jī): </span>0551-62359165</p><p><span>地址: </span>合肥市蜀山區(qū)望江西路218號(hào)港匯廣場(chǎng)寫字樓B座2411-A</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="fqk8h0u" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="hx2orq7" class="box"><p><p style="text-indent:25px">通過(guò)顯微紅外測(cè)試儀、掃描電鏡、氣質(zhì)聯(lián)用儀等設(shè)備，獲取試樣的斷面形貌、斷面含量等數(shù)據(jù)。通過(guò)對(duì)試驗(yàn)失效數(shù)據(jù)進(jìn)行分析，確認(rèn)失效模式、分析失效機(jī)理，明確失效原因，較終給出預(yù)防及材料改進(jìn)解決方案，可用于電子電器、汽車、家電、玩具、食品及其他行業(yè)。服務(wù)流程了解客戶真實(shí)需求——測(cè)試樣品評(píng)估——設(shè)計(jì)方案——分析測(cè)試——出具報(bào)告失效分析技術(shù)光學(xué)顯微鏡光學(xué)顯微鏡主要用于PCB的外觀檢查，尋找失效的部位和相關(guān)的物證，初步判斷PCB的失效模式。外觀檢查主要檢查PCB的污染、腐蝕、爆板的位置、電路布線以及失效的規(guī)律性、如是批次的或是個(gè)別，是不是總是集中在某個(gè)區(qū)域等等。X射線（X-ray）對(duì)于某些不能通過(guò)外觀檢查到的部位以及PCB的通孔內(nèi)部和其他內(nèi)部缺陷，智能音箱功能測(cè)試軟件，只好使用X射線透明系統(tǒng)來(lái)檢查。X光透明系統(tǒng)就是利用不同材料厚度或是不同材料密度對(duì)X光的吸濕或透過(guò)率的不同原理來(lái)成像，智能音箱功能測(cè)試軟件。該技術(shù)更多地用來(lái)檢查PCBA焊點(diǎn)內(nèi)部的缺陷、通孔內(nèi)部缺陷和高密度封裝的BGA或CSP器件的缺陷焊點(diǎn)的定位。切片分析切片分析就是通過(guò)取樣、鑲嵌、切片、拋磨、腐蝕，智能音箱功能測(cè)試軟件、觀察等一系列手段和步驟獲得PCB橫截面結(jié)構(gòu)的過(guò)程。通過(guò)切片分析可以得到反映PCB(通孔、鍍層等)質(zhì)量的微觀結(jié)構(gòu)的豐富信息。功能測(cè)試治具的起源？智能音箱功能測(cè)試軟件</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="智能音箱功能測(cè)試軟件,功能測(cè)試" src="https://tyunfile.71360.com/UploadFile/bmhcd8181/637440916668154002/6752507.png"></div><p style="text-indent:25px">根據(jù)物質(zhì)質(zhì)量隨溫度(或時(shí)間)的變化關(guān)系，可研究分析材料的物理化學(xué)及熱力學(xué)性能。在PCB的分析方面，主要用于測(cè)量PCB材料的熱穩(wěn)定性或熱分解溫度，如果基材的熱分解溫度太低，PCB在經(jīng)過(guò)焊接過(guò)程的高溫時(shí)將會(huì)發(fā)生爆板或分層失效現(xiàn)象。圖TGA測(cè)試PCB的分解反應(yīng)動(dòng)力學(xué)如上圖所示，根據(jù)ASTME1641標(biāo)準(zhǔn)方法用TGA測(cè)試分析PCB的分解反應(yīng)動(dòng)力學(xué)，評(píng)估PCB在實(shí)際操作溫度或者焊接溫度條件下的熱穩(wěn)定性。首先通過(guò)四種不同的升溫速率功能測(cè)試得到四條熱失重曲線，以分解10%的轉(zhuǎn)化率計(jì)算得到活化能，從而可以預(yù)測(cè)PCB在特定溫度下的使用壽命。比如，假設(shè)1%是PCB失效的臨界失重點(diǎn)，那么在實(shí)際的焊接浴溫度（260℃）條件下PCB不能超過(guò)3min，否則PCB分解而失效。動(dòng)態(tài)熱機(jī)械分析儀（DMA）動(dòng)態(tài)熱機(jī)械分析儀（DMA）是檢測(cè)樣品在動(dòng)態(tài)力作用下儲(chǔ)能模量E'、損耗模量E''和損耗因子TanDelta隨溫度、時(shí)間、力和頻率的變化關(guān)系。模量反應(yīng)了材料在外力作用下抵抗形變的能力，TanDelta是損耗模量和儲(chǔ)能模量的比值（E''/E'），反應(yīng)了材料的粘彈性，TanDelta越大表明材料的粘性越大、彈性越小，反之材料的彈性越大、粘性越小。當(dāng)材料經(jīng)歷玻璃化轉(zhuǎn)變時(shí)，E'會(huì)突變性地減小，對(duì)應(yīng)的E''和TanDelta會(huì)出現(xiàn)峰值。濟(jì)南功能測(cè)試產(chǎn)品如何降低功能測(cè)試治具的成本？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="智能音箱功能測(cè)試軟件,功能測(cè)試" src="https://tyunfile.71360.com/UploadFile/bmhcd8181/637440916685751934/6011775.png"></div><p style="text-indent:25px">是針對(duì)金相結(jié)構(gòu)、顯微斷口以及錫須等不平整樣品的重要分析方法。熱分析差示掃描量熱儀(DSC)差示掃描量熱法(DifferentialScanningCalorim-etry)是在程序控溫下，測(cè)量輸入到物質(zhì)與參比物質(zhì)之間的功率差與溫度(或時(shí)間)關(guān)系的一種方法。是研究熱量隨溫度變化關(guān)系的分析方法，根據(jù)這種變化關(guān)系，可研究分析材料的物理化學(xué)及熱力學(xué)性能。DSC的應(yīng)用普遍，但在PCB的分析方面主要用于測(cè)量PCB上所用的各種高分子材料的固化程度、玻璃態(tài)轉(zhuǎn)化溫度，這兩個(gè)參數(shù)決定著PCB在后續(xù)工藝過(guò)程中的可靠性。圖DSC功能測(cè)試PCB的TGDSC功能測(cè)試PCB的Tg需遵從IPC-TM-650，如上圖所示，PCB經(jīng)歷了兩次升溫測(cè)試。在前期次升溫過(guò)程中，由于PCB存在熱歷史，其玻璃化轉(zhuǎn)變伴隨有焓松弛現(xiàn)象，Tg為℃；在第二次升溫過(guò)程中，由于熱歷史在前期次升溫時(shí)被消除，DSC曲線呈現(xiàn)出無(wú)焓松弛的玻璃化轉(zhuǎn)變，Tg為℃。由此可知，兩次升溫得到的Tg幾乎是一致的，從而可以判斷在測(cè)試溫度范圍內(nèi)，PCB沒(méi)有發(fā)生任何的后固化反應(yīng)，說(shuō)明該P(yáng)CB是完全固化的產(chǎn)品。另一方面，對(duì)于第二次升溫如果出現(xiàn)Tg增大的情況，其前期次升溫過(guò)程則會(huì)出現(xiàn)后固化反應(yīng)的放熱峰，表明PCB為未完全固化產(chǎn)品，從而可以計(jì)算得到固化因子。</p><p style="text-indent:25px">到時(shí)你想不加班都難。需求一旦明確了由你來(lái)負(fù)責(zé)的時(shí)候，就要時(shí)刻按排期來(lái)關(guān)注項(xiàng)目的情況。中間變更需求的時(shí)候，要評(píng)估是否影響項(xiàng)目進(jìn)度，如果影響了重新進(jìn)行排期。如果開(kāi)發(fā)提測(cè)試晚了，是否影響上線時(shí)間，如果可能會(huì)影響，馬上就要給相關(guān)的人員發(fā)預(yù)警郵件，通知大家詳細(xì)的情況。同時(shí)在測(cè)試過(guò)程中，發(fā)現(xiàn)了bug必須詳細(xì)描述問(wèn)題，不管是jira，禪道或是其他的bug管理方式，一個(gè)bug要寫清楚以下幾點(diǎn)：Bug問(wèn)題描述，bug重現(xiàn)步驟，是否有前置條件，預(yù)期結(jié)果，實(shí)際結(jié)果，以方便開(kāi)發(fā)去進(jìn)行修改。同時(shí)給bug準(zhǔn)確分級(jí)，實(shí)時(shí)追蹤進(jìn)度，保證項(xiàng)目按期完成。四、上線回歸與項(xiàng)目總結(jié)一個(gè)需求上線完成后，要及時(shí)進(jìn)行線上回歸，如果有必須提醒相關(guān)的人員進(jìn)行自動(dòng)化線上回歸或是監(jiān)控工作。同時(shí)必須回歸我們?cè)谛枨笤u(píng)審的時(shí)候考慮到的可能影響到的原有的功能，以確保新功能的完全上線成功。而作為功能測(cè)試人員，在一個(gè)項(xiàng)目完成后，不管公司有沒(méi)有要求，要對(duì)項(xiàng)目做相應(yīng)的文字總結(jié)?？偨Y(jié)整個(gè)項(xiàng)目過(guò)程中遇到的問(wèn)題，較后的解決辦法或是當(dāng)時(shí)討論的處理辦法，有哪些需要注意的問(wèn)題？有什么可以借鑒的方案或是改進(jìn)策略？項(xiàng)目中有沒(méi)有通用性的問(wèn)題等等。如果公司有相應(yīng)的項(xiàng)目總結(jié)方案。怎樣選擇好的功能測(cè)試治具？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="智能音箱功能測(cè)試軟件,功能測(cè)試" src="https://tyunfile.71360.com/UploadFile/bmhcd8181/637440925678114946/1511094.png"></div><p style="text-indent:25px">對(duì)PCBA進(jìn)行供電3系統(tǒng)控制路由模塊包括路由器和串口服務(wù)器，實(shí)現(xiàn)IPC與各個(gè)模塊的通訊轉(zhuǎn)換(選配）控制模塊西門子PLC控制，實(shí)現(xiàn)整機(jī)控制邏輯IPC模塊上位機(jī)軟件運(yùn)行，測(cè)試結(jié)果顯示，數(shù)據(jù)上傳等序號(hào)系統(tǒng)模塊功能實(shí)現(xiàn)1機(jī)械結(jié)構(gòu)整機(jī)框架設(shè)備整機(jī)結(jié)構(gòu)框架工裝模塊針床治具，包括托盤，測(cè)試不同的產(chǎn)品需更換不同的工裝2功能測(cè)試工位蜂鳴器聲音檢測(cè)模塊采用聲控傳感器檢測(cè)（采用6通道檢測(cè)）采集模塊對(duì)PCBA進(jìn)行電壓、電流檢測(cè)功能通訊模塊自行研發(fā)，包括通訊檢測(cè)（紅外、RS485、RS232、Mbus、UO）和功能檢測(cè)（脈沖、繼電器等）(選配）視覺(jué)模塊檢測(cè)控制板LED燈，暗亮，色差等；檢測(cè)數(shù)碼管，缺少筆畫等。供電電源模塊交流220V110V穩(wěn)壓電源，對(duì)PCBA進(jìn)行供電3系統(tǒng)控制路由模塊包括路由器和串口服務(wù)器，實(shí)現(xiàn)IPC與各個(gè)模塊的通訊轉(zhuǎn)換(選配）控制模塊西門子PLC控制，實(shí)現(xiàn)整機(jī)控制邏輯IPC模塊上位機(jī)軟件運(yùn)行，測(cè)試結(jié)果顯示，數(shù)據(jù)上傳等序號(hào)系統(tǒng)模塊功能實(shí)現(xiàn)1機(jī)械結(jié)構(gòu)整機(jī)框架設(shè)備整機(jī)結(jié)構(gòu)框架工裝模塊針床治具，包括托盤，測(cè)試不同的產(chǎn)品需更換不同的工裝2功能測(cè)試工位蜂鳴器聲音檢測(cè)模塊采用聲控傳感器檢測(cè)（采用6通道檢測(cè)）采集模塊對(duì)PCBA進(jìn)行電壓、電流檢測(cè)功能通訊模塊自行研發(fā)。如何保證功能測(cè)試治具的使用效果？濟(jì)南功能測(cè)試產(chǎn)品</p><p style="text-indent:25px">功能測(cè)試治具常見(jiàn)故障及相應(yīng)解決方法。智能音箱功能測(cè)試軟件</p><p style="text-indent:25px">該測(cè)試在啟動(dòng)之前進(jìn)行，也稱為Beta測(cè)試或用戶測(cè)試。什么是非功能測(cè)試？有一些方面很復(fù)雜，例如應(yīng)用程序的性能等，并且此測(cè)試檢查要測(cè)試的軟件的質(zhì)量。在各種不利情況下，質(zhì)量主要取決于產(chǎn)品的時(shí)間，準(zhǔn)確性，穩(wěn)定性，正確性和耐用性。用軟件的術(shù)語(yǔ)來(lái)說(shuō)，當(dāng)一個(gè)應(yīng)用程序在任何條件下都能按照用戶的期望平穩(wěn)，有效地運(yùn)行時(shí)，就可以說(shuō)是可靠的應(yīng)用程序。基于質(zhì)量的這些方面，在這些參數(shù)下進(jìn)行測(cè)試非常關(guān)鍵。這種測(cè)試稱為非功能測(cè)試。手動(dòng)測(cè)試該類型是不可行的，因此使用了一些特殊的自動(dòng)化工具來(lái)對(duì)其進(jìn)行測(cè)試。推薦工具：LoadRunner，JMeter等。非功能測(cè)試的類型下面給出了各種類型的非功能測(cè)試。性能測(cè)試：＃1）負(fù)載測(cè)試：預(yù)期應(yīng)處理特定工作負(fù)載的應(yīng)用程序會(huì)在描述特定工作負(fù)載的真實(shí)環(huán)境中測(cè)試其響應(yīng)時(shí)間。經(jīng)過(guò)測(cè)試，它可以在規(guī)定的時(shí)間內(nèi)正常運(yùn)行，并且能夠處理負(fù)載。＃2）壓力測(cè)試：在壓力測(cè)試中，應(yīng)用程序會(huì)承受額外的工作負(fù)載，以檢查其是否有效運(yùn)行并能夠按要求處理壓力。示例：考慮一個(gè)經(jīng)過(guò)測(cè)試可以檢查用戶訪問(wèn)高峰時(shí)其行為的網(wǎng)站?？赡艽嬖诠ぷ髫?fù)載超出規(guī)范的情況。在這種情況下，網(wǎng)站可能會(huì)失敗，減速甚至崩潰。壓力測(cè)試是使用自動(dòng)化工具檢查這些情況。智能音箱功能測(cè)試軟件</p><p style="text-indent:25px">合肥榮方自動(dòng)化科技有限公司專注技術(shù)創(chuàng)新和產(chǎn)品研發(fā)，發(fā)展規(guī)模團(tuán)隊(duì)不斷壯大。公司目前擁有較多的高技術(shù)人才，以不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，加快企業(yè)技術(shù)創(chuàng)新，實(shí)現(xiàn)穩(wěn)健生產(chǎn)經(jīng)營(yíng)。公司以誠(chéng)信為本，業(yè)務(wù)領(lǐng)域涵蓋自動(dòng)化設(shè)備，視覺(jué)檢測(cè)設(shè)備，集成電路設(shè)計(jì)測(cè)試，可視化平臺(tái)軟件，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。公司憑著雄厚的技術(shù)力量、飽滿的工作態(tài)度、扎實(shí)的工作作風(fēng)、良好的職業(yè)道德，樹(shù)立了良好的自動(dòng)化設(shè)備，視覺(jué)檢測(cè)設(shè)備，集成電路設(shè)計(jì)測(cè)試，可視化平臺(tái)軟件形象，贏得了社會(huì)各界的信任和認(rèn)可。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2843861.html</p></div></div></div></div></div><div id="5hmnwal" class="page-right twoColRt"><div id="ulkputy" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="76heoo8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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