石家莊電腦藍(lán)牙模塊供貨商上海磐笙電子科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="BLE藍(lán)牙模塊為何需要功率控制？低功耗功率控制（LEPowerControl，石家莊電腦藍(lán)牙模塊供貨商，LEPC）是藍(lán)牙關(guān)鍵規(guī)格5.2所引入的功能之一，石家莊電腦藍(lán)牙模塊供貨商。本文將簡單介紹LEPC功能并回答一些較常見的問題，石家莊電腦藍(lán)"><meta name="keywords" content="石家莊電腦藍(lán)牙模塊供貨商,BLE藍(lán)牙模塊"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>石家莊電腦藍(lán)牙模塊供貨商,BLE藍(lán)牙模塊</p><p><span>***更新：</span>2020-11-04 08:24:23</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="j77l7h7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海磐笙電子科技有限公司</a></p><p><span>聯(lián)系人：</span>丁白蘭</p><p><span>郵箱: </span>258787059@qq.com</p><p><span>電話: </span>15002148001</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.panshion.cn</p><p><span>手機(jī): </span>021-31775145</p><p><span>地址: </span>羅城路530號住大商務(wù)樓A樓403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="htrhxdb" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7xdl9xn" class="box"><p><p style="text-indent:25px">BLE藍(lán)牙模塊為何需要功率控制？低功耗功率控制（LEPowerControl，石家莊電腦藍(lán)牙模塊供貨商，LEPC）是藍(lán)牙關(guān)鍵規(guī)格5.2所引入的功能之一，石家莊電腦藍(lán)牙模塊供貨商。本文將簡單介紹LEPC功能并回答一些較常見的問題，石家莊電腦藍(lán)牙模塊供貨商。此功能的加入，將會(huì)更加優(yōu)化藍(lán)牙音頻及其他的產(chǎn)品的功耗，進(jìn)而為開發(fā)者和產(chǎn)品制造商提供足夠的靈活性，提升產(chǎn)品的工作時(shí)長，以構(gòu)建出色的應(yīng)用程序和用戶體驗(yàn)。?在電信系統(tǒng)**率控制通常用于控制發(fā)射器的發(fā)射功率以優(yōu)化通信信號或服務(wù)質(zhì)量，包括優(yōu)化功耗。為什么BLE藍(lán)牙模塊需要功率控制？首先，功率控制對于藍(lán)牙并不是什么新的技術(shù)術(shù)語。它已被用于藍(lán)牙BR/EDR控制器，描述了配有BR/EDR控制器的藍(lán)牙設(shè)備之間如何協(xié)商和調(diào)整傳輸功率。BLE藍(lán)牙模塊應(yīng)用領(lǐng)域：水、電、氣等無線抄表系統(tǒng)。石家莊電腦藍(lán)牙模塊供貨商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石家莊電腦藍(lán)牙模塊供貨商,BLE藍(lán)牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502105488281/5967072.png"></div><p style="text-indent:25px">BLE藍(lán)牙模塊功率控制提供哪些功能？任何一臺本地設(shè)備都可以向另一臺已連接的對端設(shè)備發(fā)出請求，對該對端設(shè)備的功率級進(jìn)行指定的更改。本地和對端設(shè)備還可以共享當(dāng)前的傳輸功率級，這樣設(shè)備就能計(jì)算它們之間的鏈路路徑損耗。?設(shè)備還可以自主更改本地傳輸功率級并向?qū)Χ嗽O(shè)備顯示這一更改。BLE藍(lán)牙模塊帶來哪些優(yōu)點(diǎn)？?功耗優(yōu)化。憑借BLE藍(lán)牙模塊功率控制，發(fā)射器可以自行調(diào)整其傳輸功率或者由對端設(shè)備請求更改其傳輸功率。這一機(jī)制可以讓傳輸功率始終保持節(jié)能高效。良好的鏈路質(zhì)量。信號器可能會(huì)有一個(gè)較適合接收信號的信號器信號強(qiáng)度黃金范圍。憑借BLE藍(lán)牙模塊功率控制，信號器可以請求更改發(fā)射器的傳輸功率，使信號器本身的RSSI處于這一黃金范圍內(nèi)。?較大程度減少干擾。通過BLE藍(lán)牙模塊功率控制，設(shè)備可以自主和主動(dòng)更改傳輸功率級，因此該功能可以較大程度地減少無線傳輸時(shí)對附近設(shè)備產(chǎn)生的干擾和噪聲。石家莊電腦藍(lán)牙模塊供貨商BLE藍(lán)牙模塊設(shè)備有不同類型的連接方式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石家莊電腦藍(lán)牙模塊供貨商,BLE藍(lán)牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345501407324219/9380068.png"></div><p style="text-indent:25px">阻礙BLE藍(lán)牙模塊傳輸距離的因素：1.使用高增益天線。通常，天線增益值與無線傳輸距離成正比。天線增益越高，傳輸距離越遠(yuǎn)。但是，天線增值也不可能存在無限大。2.BLE藍(lán)牙模塊的位置調(diào)整?。BLE藍(lán)牙模塊做位置的調(diào)整，比如偏移、架高，這樣BLE藍(lán)牙模塊的無線傳輸?shù)木嚯x能夠?qū)崿F(xiàn)更遠(yuǎn)。BLE藍(lán)牙模塊要實(shí)現(xiàn)良好的傳輸效果，要選好天線放置位置。放置位置可以偏高一些，盡可能做兩邊都在高處放置，要不一邊在較高地方向下輻射，減少障礙物的阻攔盡量減少信號的盲區(qū)也能實(shí)現(xiàn)更遠(yuǎn)傳輸距離;BLE藍(lán)牙模塊連接天線放置處于同一水平面，這樣的信號發(fā)送和接收的感應(yīng)面是較大的，傳輸距離也就更遠(yuǎn)。</p><p style="text-indent:25px">BLE藍(lán)牙模塊干擾問題怎么解決？盡量避免在干擾源多的地方使用BLE藍(lán)牙模塊避開干擾源是非常有效且直接的辦法）。從硬件抗干擾技術(shù)層面考慮，可以加設(shè)低通濾波器，這樣可以向電網(wǎng)中引入高頻噪聲，并以此來降低電源干擾。濾波器是根據(jù)頻率來區(qū)分的，例如：433MHz就只能使用對應(yīng)頻率的濾波器，它較主要的功能是過濾掉其他不屬于433MHz的頻率，防止受到其他頻段的干擾，從而達(dá)到抗干擾能力的效果。屏蔽罩是BLE藍(lán)牙模塊提高的抗干擾能力盡量一個(gè)辦法，屏蔽罩的可以屏蔽掉一定外界干擾源對芯片的影響，同時(shí)也能防止無線模塊工作時(shí)對外界產(chǎn)生干擾和輻射。智能門禁鎖是在原有門禁系統(tǒng)的基礎(chǔ)上，增加BLE藍(lán)牙模塊，實(shí)現(xiàn)手機(jī)藍(lán)牙協(xié)議對接。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石家莊電腦藍(lán)牙模塊供貨商,BLE藍(lán)牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345501712343750/6318681.png"></div><p style="text-indent:25px">目前，BLE藍(lán)牙模塊越來越被普遍使用。因?yàn)樗牡汀Ⅲw積小、成本低、兼容性強(qiáng)，所以很多電子設(shè)備、智能設(shè)備都在應(yīng)用，未來將會(huì)有更多場景和產(chǎn)品會(huì)應(yīng)用上。BLE藍(lán)牙模塊大家想到的劣勢應(yīng)該就是傳輸距離，因?yàn)樗旧砭褪嵌叹嚯x傳輸技術(shù)，下面就為大家介紹下怎么保證讓你的傳輸盡可能的傳輸遠(yuǎn)距離，也就是阻礙BLE藍(lán)牙模塊傳輸距離的因素有哪些呢？?障礙物的阻擋對BLE藍(lán)牙模塊進(jìn)行無線傳輸有著重要影響。BLE藍(lán)牙模塊輸類似光線傳播，通過無線電磁波在空中直線傳輸。BLE藍(lán)牙模塊輸在使用時(shí)，較大阻礙是金屬，礙物，包括內(nèi)有鋼筋網(wǎng)的樓房墻體、山體、樹林等一切阻礙光線直線傳播的物體。這些障礙物，不僅阻擋無線傳輸信號，它還能把電磁的電量給吸收掉：弱電流泄流掉。如果發(fā)射和接收相對的方向有很多障礙物，BLE藍(lán)牙模塊輸?shù)男盘柧蛶缀鯖]有穿透的可能，就算能夠穿透，信號也是非常弱的。BLE藍(lán)牙模塊使用藍(lán)牙技術(shù)通用的自適應(yīng)跳頻技術(shù)將2.4千兆赫ISM頻帶內(nèi)的其他技術(shù)干擾減至較小。石家莊電腦藍(lán)牙模塊供貨商</p><p style="text-indent:25px">BLE藍(lán)牙模塊應(yīng)用于實(shí)時(shí)性要求比較高，但對數(shù)據(jù)速率要求不是特別高的產(chǎn)品。石家莊電腦藍(lán)牙模塊供貨商</p><p style="text-indent:25px">BLE藍(lán)牙模塊本身是一項(xiàng)不錯(cuò)的技術(shù)，而真正令其被普遍采納的原因，是這項(xiàng)技術(shù)在恰當(dāng)?shù)臅r(shí)間作出了適當(dāng)?shù)耐讌f(xié)。雖然是一項(xiàng)相對新的標(biāo)準(zhǔn)，但已經(jīng)加入BLE藍(lán)牙模塊技術(shù)的產(chǎn)品設(shè)計(jì)數(shù)量已遠(yuǎn)遠(yuǎn)超過其他無線技術(shù)在相同階段時(shí)的產(chǎn)品數(shù)量。主要是因?yàn)樗{(lán)牙技術(shù)有以下幾個(gè)特征：從外形設(shè)計(jì)到使用方式，一切皆以非常低功耗為設(shè)計(jì)目標(biāo)。為了減少功耗，BLE藍(lán)牙模塊設(shè)備大部分時(shí)間會(huì)處于睡眠模式。當(dāng)活動(dòng)發(fā)生時(shí)，設(shè)備會(huì)自動(dòng)被喚醒并且向網(wǎng)關(guān)、個(gè)人電腦或智能手機(jī)發(fā)送一則短訊。較大/峰值功耗不超過15毫安，平均功耗約為1微安。使用時(shí)的功耗被降低到傳統(tǒng)藍(lán)牙的十分之一。在使用較少的應(yīng)用中，一粒紐扣電池就能維持5至10年的穩(wěn)定運(yùn)行。石家莊電腦藍(lán)牙模塊供貨商</p><p style="text-indent:25px">上海磐笙電子科技有限公司致力于電子元器件，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。公司自創(chuàng)立以來，投身于藍(lán)牙模塊，433M無線通訊模塊，SIMcom模塊，華大單片機(jī)，是電子元器件的主力軍。磐笙電子不斷開拓創(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(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。磐笙電子始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使磐笙電子在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1844937.html</p></div></div></div></div></div><div id="pn7zhl9" class="page-right twoColRt"><div id="xrhfntz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pndrp7b" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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