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class="searchbox"><div id="kjqsipm" class="searchLt"><div id="nhjli83" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="3vcumov" class="clearfix searchWrap"><div id="ktli79w" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="le7ovm3" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁(yè)</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = 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src="http://tyunfile.71360.com/UpLoadFile/2019/11/27/9/637104422024241107_qztl_4962843.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3gipw2x" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/27/9/637104422024241107_qztl_4962843.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mgnkc38" 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>福建省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南平車(chē)載天線(xiàn),天線(xiàn)</p><p><span>***更新：</span>2020-11-26 07:02:48</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="txe3hnu" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">泉州市天陸通信科技有限公司</a></p><p><span>聯(lián)系人：</span>景經(jīng)理</p><p><span>郵箱: </span>3131314848@qq.com</p><p><span>電話(huà): </span>18520272999</p><p><span>傳真: </span>0595_22002867</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0595-22001867</p><p><span>地址: </span>福建省泉州市豐澤區(qū)北峰工業(yè)區(qū)豐盛路20號(hào) </p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="mg2wi3a" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="x28c3jl" class="box"><p><p> 玻璃鋼天線(xiàn)比較大的優(yōu)勢(shì)抗腐蝕，壽命長(zhǎng)鋁板、鋼板等傳統(tǒng)天線(xiàn)用資料為金屬資料，在耐酸，南平車(chē)載天線(xiàn)、堿、鹽、以至耐腐蝕性方面，顯有及作為非金屬介質(zhì)復(fù)合資料的SMC。美國(guó)Pikington實(shí)驗(yàn)室用紅外線(xiàn)分析SMC資料的外表，發(fā)現(xiàn)其外表由添加劑、樹(shù)脂、極細(xì)酸鈣填料所掩蓋、具有較好的耐酸、耐水、耐腐蝕性，用此資料制成的天線(xiàn)反射解決了傳統(tǒng)金屬資料天線(xiàn)易腐蝕的缺點(diǎn)，在沿海區(qū)域，多雨，潮濕的區(qū)域以及多酸雨的區(qū)域，SMC模壓天線(xiàn)的這種而腐蝕的優(yōu)點(diǎn)尤顯突出。美國(guó)波德林公司做過(guò)條件更嚴(yán)苛的防腐實(shí)驗(yàn)。在50℃的環(huán)境高溫下，南平車(chē)載天線(xiàn)，將SMC模壓天線(xiàn)試樣置于130種高腐蝕性的化學(xué)品環(huán)境中，結(jié)果表明，南平車(chē)載天線(xiàn)，實(shí)驗(yàn)樣品*有少許改動(dòng)，或沒(méi)有改動(dòng)。一般的鋁板天線(xiàn)在沿海區(qū)域少則2—3年，多則4—6年。板狀天線(xiàn)也常常被用作為直放站的用戶(hù)天線(xiàn)，根據(jù)作用扇形區(qū)的范圍大小，應(yīng)選擇相應(yīng)的天線(xiàn)型號(hào)。南平車(chē)載天線(xiàn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南平車(chē)載天線(xiàn),天線(xiàn)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/27/9/637104422024241107_qztl_4962843.jpg"></div><p> WIFI天線(xiàn)戶(hù)外的應(yīng)用:我司戶(hù)外WIFI天線(xiàn)商品已廣泛應(yīng)用于景區(qū)內(nèi)。風(fēng)景區(qū)和自然保護(hù)區(qū)、濕地等區(qū)域的特殊性，地理位置上散布相對(duì)渙散。并且通常有修建、水域或山巒相隔；景區(qū)內(nèi)的文物古跡通常制止拉線(xiàn)鉆洞等工程性損壞，因此選用無(wú)線(xiàn)局域網(wǎng)技能建立無(wú)線(xiàn)網(wǎng)絡(luò)監(jiān)控體系，成為景區(qū)安全監(jiān)控體系建造的優(yōu)先。需求選用安穩(wěn)可靠的無(wú)線(xiàn)WIFI天線(xiàn)商品迅速完成實(shí)時(shí)圖畫(huà)監(jiān)控，以監(jiān)控野生動(dòng)物活動(dòng)狀況和成長(zhǎng)狀態(tài)、植物成長(zhǎng)狀況、操控風(fēng)景區(qū)人流、氣候地理?xiàng)l件，避免應(yīng)急事情發(fā)作。天線(xiàn)設(shè)備可靠性高，返修率極低，簡(jiǎn)直無(wú)保護(hù)成本；適合戶(hù)外惡劣環(huán)境，可完成非視距即有阻擋傳輸。惠州手持機(jī)天線(xiàn)WIFI天線(xiàn)的輸入阻抗是以收發(fā)機(jī)天線(xiàn)間的接口線(xiàn)端看入到的阻抗值。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南平車(chē)載天線(xiàn),天線(xiàn)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/27/9/637104422046903737_qztl_4891799.jpg"></div><p> 具體介紹4G天線(xiàn)的基本知識(shí)一、4G天線(xiàn)天線(xiàn)：（antenna)是將高頻電流或波導(dǎo)方法的能量變換成電磁波并向規(guī)矩方向發(fā)射出去或把來(lái)自必定方向的電磁波還原為高頻電流的一種設(shè)備。二、4G天線(xiàn)天線(xiàn)分類(lèi)：1）按用途分類(lèi)：可分為通訊天線(xiàn)、電視天線(xiàn)、雷達(dá)天線(xiàn)等；2）按作業(yè)頻段分類(lèi)：可分為短波天線(xiàn)、超短波天線(xiàn)、微波天線(xiàn)等；3）按方向性分類(lèi)：可分為全向天線(xiàn)、定向天線(xiàn)等；4）按外形分類(lèi)；可分為線(xiàn)狀天線(xiàn)、面狀天線(xiàn)等.三、全向天線(xiàn)，即在水平方向圖上表現(xiàn)為360°都均勻輻射，也即是平常所說(shuō)的無(wú)方向性，在垂直方向圖上表現(xiàn)為有必定寬度的波束，一般情況下波瓣寬度越小，增益越大。四、定向天線(xiàn)，在在水平方向圖上表現(xiàn)為必定角度規(guī)劃輻射，也即是平常所說(shuō)的有方向性，在垂直方向圖上表現(xiàn)為有必定寬度的波束，同全向天線(xiàn)一樣，波瓣寬度越小，增益越大。五、增益是指：在輸入功率持平的條件下，實(shí)踐天線(xiàn)與志向的輻射單元在空間同一點(diǎn)場(chǎng)所發(fā)作的信號(hào)的功率密度之比。它定量地描繪一個(gè)天線(xiàn)把輸入功率會(huì)集輻射的程度。增益明顯與天線(xiàn)方向圖有密切的聯(lián)系，方向圖主瓣越窄，副瓣越小，增益越高?？梢赃@么來(lái)了解增益的物理含義------為在一定的間隔上的某點(diǎn)處發(fā)作必定大小的信號(hào)。</p><p style="text-indent:25px">車(chē)或船都是衛(wèi)星天線(xiàn)的載體的，只有給衛(wèi)星天線(xiàn)通電，那么，就可以找到衛(wèi)星的位置了，而且還得時(shí)刻保持跟蹤，這樣也就時(shí)刻的跟衛(wèi)星保持同步的。 ? ?車(chē)載衛(wèi)星天線(xiàn)適合中國(guó)的國(guó)情（價(jià)格比同類(lèi)產(chǎn)品低1/3左右）；目前亞太地區(qū)在軌的衛(wèi)星中，在中國(guó)落地場(chǎng)強(qiáng)滿(mǎn)足這個(gè)要求的衛(wèi)星有：亞太5號(hào)、亞太6號(hào)、亞洲4號(hào)、馬布海2號(hào)和即將發(fā)射的中星9號(hào)衛(wèi)星等。 ? ?這些高功率衛(wèi)星上大都有一些直播系統(tǒng)的信號(hào)，如亞太5號(hào)上有數(shù)碼天空、香港有線(xiàn)、長(zhǎng)城亞洲平臺(tái)、藝華直播等；亞太6號(hào)上有CBTV平臺(tái)、中國(guó)廣播網(wǎng)信號(hào)及教育平臺(tái)；亞洲4號(hào)有香港天浪信號(hào)；馬布海衛(wèi)星上有菲律賓的夢(mèng)幻直播信號(hào)。天線(xiàn)處于車(chē)頂正中位置時(shí)發(fā)射效果比較好，但是這樣的話(huà)天線(xiàn)很高，過(guò)隧道或林蔭路的時(shí)候容易被掛到天線(xiàn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南平車(chē)載天線(xiàn),天線(xiàn)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/27/9/637104422048466677_qztl_6600511.jpg"></div><p> WIFI天線(xiàn)有怎樣的作用?WIFI天線(xiàn)能夠分作兩種，內(nèi)置天線(xiàn)和外置天線(xiàn)，內(nèi)置天線(xiàn)作用于手機(jī)電腦、投影儀，路由器等等。外置天線(xiàn)作用于路由器，機(jī)頂盒，基站，攝像頭等等，很多人會(huì)有疑惑，這種WIFI天線(xiàn)有什么作用呢。天線(xiàn)是發(fā)射和接收電磁波的一個(gè)重要設(shè)備，天線(xiàn)把接收到的信號(hào)傳給之后輸出。現(xiàn)在的路由器等很多產(chǎn)品都需求安裝wifi天線(xiàn)，沒(méi)有天線(xiàn)承受信號(hào)的才能就很差，簡(jiǎn)單影響上網(wǎng)速度。小音響沒(méi)有一個(gè)WIFI天線(xiàn)，接收到的信號(hào)距離會(huì)很短。網(wǎng)絡(luò)的盛行也帶動(dòng)了wifi天線(xiàn)的開(kāi)展，在信號(hào)較弱的地區(qū)運(yùn)用作用很大，能**增強(qiáng)無(wú)線(xiàn)信號(hào)。曾經(jīng)的路由器只是一根天線(xiàn)，現(xiàn)在已經(jīng)開(kāi)展到兩根、三根。沒(méi)有天線(xiàn)路由器接收的信號(hào)很差，給工作和學(xué)習(xí)帶來(lái)很大影響，所以它的作用還是很重要的。車(chē)載天線(xiàn)是指設(shè)計(jì)安裝在車(chē)輛上的移動(dòng)通訊天線(xiàn)，常見(jiàn)的就是吸盤(pán)天線(xiàn)?；葜菔殖謾C(jī)天線(xiàn)</p><p style="text-indent:25px"> 從性能價(jià)格比出發(fā)，人們常常選用柵狀拋物面天線(xiàn)作為直放站施主天線(xiàn)。南平車(chē)載天線(xiàn)</p><p> 4G天線(xiàn)是將高頻電流或波導(dǎo)方式的能量變換成電磁波并向規(guī)則方向發(fā)射出去，或把來(lái)自必定方向的電磁波還原為高頻電流的一種設(shè)備。關(guān)于4G天線(xiàn)，正大信維小編根據(jù)行業(yè)經(jīng)驗(yàn)分享一些基礎(chǔ)知識(shí)給大家。4G天線(xiàn)分類(lèi)：1.按用途分類(lèi)：可分為通訊天線(xiàn)、電視天線(xiàn)、雷達(dá)天線(xiàn)等；2.按作業(yè)頻段分類(lèi)：可分為短波天線(xiàn)、超短波天線(xiàn)、微波天線(xiàn)等；3.按方向性分類(lèi)：可分為全向天線(xiàn)、定向天線(xiàn)等；4.按外形分類(lèi)；可分為線(xiàn)狀天線(xiàn)、面狀天線(xiàn)等.全向天線(xiàn)即在水平方向圖上表現(xiàn)為360°都均勻輻射，也便是平常所說(shuō)的無(wú)方向性，在垂直方向圖上表現(xiàn)為有必定寬度的波束，一般情況下波瓣寬度越小，增益越大。定向天線(xiàn)在水平方向圖上表現(xiàn)為必定角度規(guī)劃輻射，也便是平常所說(shuō)的有方向性，在垂直方向圖上表現(xiàn)為有必定寬度的波束，同全向天線(xiàn)一樣，波瓣寬度越小，增益越大。增益增益是指：在輸入功率持平的條件下，實(shí)際天線(xiàn)與志向的輻射單元在空間同一點(diǎn)場(chǎng)所發(fā)生的信號(hào)的功率密度之比。它定量地描繪一個(gè)天線(xiàn)把輸入功率集中輻射的程度。增益顯著與天線(xiàn)方向圖有親近的聯(lián)絡(luò)，方向圖主瓣越窄，副瓣越小，增益越高。南平車(chē)載天線(xiàn)</p><p style="text-indent:25px">泉州市天陸通信科技有限公司是一家研發(fā)、生產(chǎn)和銷(xiāo)售:對(duì)講機(jī)天線(xiàn)、車(chē)載天線(xiàn)、船舶天線(xiàn)、4G/LTE天線(xiàn)、GPS天線(xiàn)、WIFI天線(xiàn)及智能家居天線(xiàn)產(chǎn)品。我們?cè)诖苏嬲\(chéng)并熱烈的歡迎國(guó)內(nèi)外新老客戶(hù)前來(lái)交流洽談與指導(dǎo)，共同打造更加質(zhì)量創(chuàng)新的產(chǎn)品及服務(wù)一起攜手共創(chuàng)輝煌的未來(lái)。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷(xiāo)售為一體的專(zhuān)業(yè)化公司。公司自創(chuàng)立以來(lái)，投身于玻璃鋼天線(xiàn)，車(chē)載天線(xiàn)，船舶天線(xiàn)，對(duì)講機(jī)天線(xiàn)，是通信產(chǎn)品的主力軍。泉州市天陸通信不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶(hù)創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。泉州市天陸通信始終關(guān)注通信產(chǎn)品行業(yè)。滿(mǎn)足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2150155.html</p></div></div></div></div></div><div id="7dvmtx3" class="page-right twoColRt"><div id="ho3elsu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ymtlnz8" class="recomPic likePro"><a 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