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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="ku2l23f" class="twoCol"><div id="w7kvs83" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_smdn/">數(shù)碼、電腦</a>?<a href="http://www.cdcfah.com/cp/second-smdn_sjpjgd/">手機配件</a>?<a href="http://www.cdcfah.com/cp/third-sjpjgd_lyspq/">藍牙適配器</a>?無錫電子藍牙頻率校準工具深圳市小牛測控供應(yīng)</p><div id="zvwo2fc" class="leftbox clearfix"><h1>無錫電子藍牙頻率校準工具深圳市小牛測控供應(yīng)</h1><div id="cbdfzqs" class="proBig"><div id="apro37h" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xiaoniucekong/637304059306308594/8425548.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7tif9ry" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xiaoniucekong/637304059306308594/8425548.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hrtb4ls" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>無錫電子藍牙頻率校準工具,藍牙頻率校準</p><p><span>***更新：</span>2021-02-07 00:17:57</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kuro4uw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市小牛測控技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>陳先生</p><p><span>郵箱: </span>403310010@qq.com</p><p><span>電話: </span>13420972963</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>https://www.iodm.cn</p><p><span>手機: </span>0755-21008225</p><p><span>地址: </span>深圳市龍華區(qū)東環(huán)二路69號慧華園廠房1棟411</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="m3bdxjq" class="page-proshow02"><p class="title">詳細說明</p><div id="iprtioq" class="box"><p><p style="text-indent:25px">藍牙模塊的發(fā)射功率受不理想的射頻模擬器件等影響，為了確保工廠硬件生產(chǎn)品質(zhì)控制得到保證以及室內(nèi)定位、導(dǎo)航等功能的準確性提高，需要對藍牙模塊的接收與發(fā)射端的實際功率進行準確的校準。藍牙模塊共有79條信道，然而對全部79條藍牙信道進行校準的代價太大，所以目前藍牙模塊發(fā)射功率校準方法在校準時，首先將79條信道平均分為5組，無錫電子藍牙頻率校準工具，每一組取中間位置的信道進行校準，無錫電子藍牙頻率校準工具，并將通過這些信道算出的功率校準數(shù)據(jù)應(yīng)用到組里的全部信道。例如設(shè)置13.00dBm為發(fā)射功率，測得的首組16條信道的實際發(fā)射功率以及所得誤差，由此可見，同組的不同信道上的功率誤差并不相同，無錫電子藍牙頻率校準工具，這就導(dǎo)致了目前的藍牙模塊發(fā)射功率校準方法并不能夠提供足夠精確的校準。在藍牙技術(shù)構(gòu)成系統(tǒng)中，高層應(yīng)用是位于協(xié)議層上部的框架部分。無錫電子藍牙頻率校準工具</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫電子藍牙頻率校準工具,藍牙頻率校準" src="https://tyunfile.71360.com/UploadFile/xiaoniucekong/637304059306308594/8425548.png"></div><p style="text-indent:25px">藍牙頻率測試校準裝置，其特征在于所述裝置由藍牙PCBA測試板、待測藍牙模組組成，藍牙PCBA測試板為整個系統(tǒng)的測試校準裝置，對藍牙模組進行頻偏校準與測試；其中，藍牙PCBA測試板的組成模塊有：電源供電模塊，TFTLCD模塊，BLE連接測試模塊，按鍵模塊，晶振頻偏測試模塊，主控MCU。電源供電模塊負責給待測PCBA進行供電，TFTLCD模塊負責對測試結(jié)果進行顯示，BLE連接測試模塊對鎖相環(huán)鎖定錯誤產(chǎn)生的頻偏進行篩選，同時對晶振頻偏校準結(jié)果進行確認；按鍵模塊控制測試過程的開始。藍牙的安全性問題。藍牙的初次配對需要用戶通過PIN碼驗證。大連全新藍牙頻率校準藍牙技術(shù)的適用設(shè)備多，無需電纜，通過無線使電腦和電信連網(wǎng)進行通信。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫電子藍牙頻率校準工具,藍牙頻率校準" src="https://tyunfile.71360.com/UploadFile/xiaoniucekong/637304059488105469/4192968.png"></div><p style="text-indent:25px">藍牙傳輸距離較短：現(xiàn)階段，藍牙技術(shù)的主要工作范圍在10米左右，經(jīng)過增加射頻功率后的藍牙技術(shù)可以在100米的范圍進行工作，只有這樣才能保證藍牙在傳播時的工作質(zhì)量與效率，提高藍牙的傳播速度。另外，在藍牙技術(shù)連接過程中還可以有效的降低該技術(shù)與其他電子產(chǎn)品之間的干擾，從而保證藍牙技術(shù)可以正常運行。藍牙技術(shù)不僅有較高對傳播質(zhì)量與效率，同時還具有較高的傳播性特點。通過調(diào)頻擴頻技術(shù)進行傳播：藍牙技術(shù)在實際應(yīng)用期間，可以原有的頻點進行劃分、轉(zhuǎn)化，如果采用一些跳頻速度較快的藍牙技術(shù)。</p><p style="text-indent:25px">藍牙傳輸距離較短：現(xiàn)階段，藍牙技術(shù)的主要工作范圍在10米左右。藍牙設(shè)備的制造商們也意識到這種風險。因此他們也做了很多工作。以保護藍牙設(shè)備不會受到威脅。就比如藍牙設(shè)備中的信任設(shè)備選項。有一種方法被稱之為藍牙攔截。也就是個人或者公司通過藍牙的方式發(fā)送電子名片或者廣告。大多數(shù)情況下，這種情況只會發(fā)生在公共場合。所以為了避免這種情況的發(fā)生。你可以把藍牙設(shè)備設(shè)置為不可被發(fā)現(xiàn)。一旦收到此類信息。只需要把藍牙關(guān)閉。并仔細檢查藍牙所連接的設(shè)備。把那些不知道設(shè)備刪除掉，就可以了。藍牙設(shè)備和其他的無線設(shè)備一樣，都是通過傳輸協(xié)議獲取數(shù)據(jù)，然后利用數(shù)據(jù)進行工作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫電子藍牙頻率校準工具,藍牙頻率校準" src="https://tyunfile.71360.com/UploadFile/xiaoniucekong/637304059707656250/1092896.png"></div><p style="text-indent:25px">藍牙數(shù)字信號發(fā)生器和矢量信號分析塊的集成，它提供了模擬和實際測試間的相互交換，軟件產(chǎn)品與物理儀器鏈接能在原型交付時立即比較結(jié)果。第二是可以使工具設(shè)置自動化的設(shè)計指南，讓用戶能更好地用設(shè)計軟件評估實際電路，而不必在基本配置信息中根據(jù)特定無線技術(shù)編寫程序。接收機測試中的鑒別器是一個混頻器/調(diào)諧電路，它是一個直通器件，但也需要進行校準。在設(shè)計特性描述過程中，一定要注意某些結(jié)果的非正態(tài)(高斯)分布。由于調(diào)諧電路/混頻器的相位/頻率特性，這種電路的價值是很有限的。延遲線鑒別器是另一種可能的選擇，但也需要經(jīng)過校準。增強數(shù)據(jù)率一詞用于描述π/4-DPSK 和 8DPSK 方案, 分別可達2 和 3Mbit/s。大連全新藍牙頻率校準</p><p style="text-indent:25px">藍牙的安全性問題。藍牙的初次配對需要用戶通過PIN碼驗證。無錫電子藍牙頻率校準工具</p><p style="text-indent:25px">根據(jù)藍牙的發(fā)射功率與信道序號的線性關(guān)系將曲線中的線段進行分組，并為分組中的每一組選擇合適的起、終信道，且記錄為信道序號ni，測量各線段分組起、終信道的發(fā)射功率pi；計算每條線段的斜率ai與截距bi，其中，斜率計算公式如下：截距計算公式如下：bi＝pi-aini；根據(jù)線段擬合出所有信道的發(fā)射功率，具體公式如下：Pout-k＝aik+bi將擬合出的發(fā)射功率進行功率校準，補償誤差Poffset-k的具體計算公式如下：Poffset-k＝Pset-Pout-k其中，k為所選信道序號，i為所選信道所在的組，Pout-k為所選信道的發(fā)射功率，Pset為該信道的標準發(fā)射功率。將藍牙的發(fā)射功率與信道序號的線性關(guān)系將曲線中的線段進行分組具體為：采用動態(tài)分組選取N條信道進行線段分組，共得到N-1個分組。所述N＝5或者N＝9。分組中的每一組起、終信道為每條線段的兩端。無錫電子藍牙頻率校準工具</p><p style="text-indent:25px">深圳市小牛測控技術(shù)有限公司是一家電子產(chǎn)品、儀器、儀表上門安裝及技術(shù)維護; 經(jīng)營進出口業(yè)務(wù),^計算機軟件、嵌入式軟件、自動化設(shè)備軟件、生產(chǎn)測試軟件開發(fā)、生產(chǎn)及銷售；測試儀器、儀表及設(shè)備、自動化測試系統(tǒng)、測試治具、通訊設(shè)備器材、工業(yè)自動化控制系統(tǒng)、計算機硬件、計算機網(wǎng)絡(luò)設(shè)備的開發(fā)、生產(chǎn)和銷售；電子產(chǎn)品的技術(shù)開發(fā)、生產(chǎn)與銷售；測試儀器、儀表及設(shè)備、自動化測試系統(tǒng)、測試治具、通訊設(shè)備器材、工業(yè)自動化控制系統(tǒng)、計算機軟硬件、計算機網(wǎng)絡(luò)設(shè)備的開發(fā)、生產(chǎn)和銷售。的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。小牛測控作為電子產(chǎn)品、儀器、儀表上門安裝及技術(shù)維護; 經(jīng)營進出口業(yè)務(wù),^計算機軟件、嵌入式軟件、自動化設(shè)備軟件、生產(chǎn)測試軟件開發(fā)、生產(chǎn)及銷售；測試儀器、儀表及設(shè)備、自動化測試系統(tǒng)、測試治具、通訊設(shè)備器材、工業(yè)自動化控制系統(tǒng)、計算機硬件、計算機網(wǎng)絡(luò)設(shè)備的開發(fā)、生產(chǎn)和銷售；電子產(chǎn)品的技術(shù)開發(fā)、生產(chǎn)與銷售；測試儀器、儀表及設(shè)備、自動化測試系統(tǒng)、測試治具、通訊設(shè)備器材、工業(yè)自動化控制系統(tǒng)、計算機軟硬件、計算機網(wǎng)絡(luò)設(shè)備的開發(fā)、生產(chǎn)和銷售。的企業(yè)之一，為客戶提供良好的藍牙測試設(shè)備，藍牙燒錄設(shè)備，藍牙RF測試，電流測試設(shè)備。小牛測控不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。小牛測控始終關(guān)注儀器儀表市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3195182.html</p></div></div></div></div></div><div id="hzby4u3" class="page-right twoColRt"><div id="dhzrg7w" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oyfhwnk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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