<span style="font-family:KaiTi_GB2312;"><span style=" color: rgb(255, 0, 0); font-size: 24px; "><strong>鄂爾多斯IC卡水表廠家/價格優(yōu)惠</strong></span><br /><span style="font-family: arial; line-height: 20px; text-align: left; widows: 1; "><span style=" font-family: KaiTi_GB2312; color: rgb(255, 0, 0); font-size: 24px; "><strong>生產(chǎn)廠家、</strong></span><span style="font-size:24px;color:#ff0000;"><strong>為客戶提供和大價值的化產(chǎn)品和服務(wù)</strong></span></span><span style="font-size:24px;color: rgb(255, 0, 0); "><strong>：姜工 電聯(lián)：?</strong></span><br /><span style="font-size:18px;color:#ff0000;"><span style="font-family: arial; line-height: 20px; text-align: left; widows: 1; ">研制</span><span style="font-style: normal; font-family: arial; line-height: 20px; text-align: left; widows: 1; ">智能水表</span><span style="font-family: arial; line-height: 20px; text-align: left; widows: 1; ">,非接觸IC卡</span><span style="font-style: normal; font-family: arial; line-height: 20px; text-align: left; widows: 1; ">水表</span><span style="font-family: arial; line-height: 20px; text-align: left; widows: 1; ">,無源直讀</span><span style="font-style: normal; font-family: arial; line-height: 20px; text-align: left; widows: 1; ">水表</span><span style="font-family: arial; line-height: 20px; text-align: left; widows: 1; ">,無線遠傳</span><span style="font-style: normal; font-family: arial; line-height: 20px; text-align: left; widows: 1; ">水表</span><span style="font-family: arial; line-height: 20px; text-align: left; widows: 1; ">,超聲波</span><span style="font-style: normal; font-family: arial; line-height: 20px; text-align: left; widows: 1; ">水表</span><span style="font-family: arial; line-height: 20px; text-align: left; widows: 1; ">,大口徑</span><span style="font-style: normal; font-family: arial; line-height: 20px; text-align: left; widows: 1; ">水表</span><span style="font-family: arial; line-height: 20px; text-align: left; widows: 1; ">,IC卡淋浴器,物聯(lián)網(wǎng)</span><span style="font-style: normal; font-family: arial; line-height: 20px; text-align: left; widows: 1; ">水表</span><span style="font-family: arial; line-height: 20px; text-align: left; widows: 1; ">等.性能穩(wěn)定.</span></span><span style=" font-size: 18px; "><strong><br /></strong></span></span><span style="font-family:KaiTi_GB2312;font-size:18px;"><br /><span style="color: rgb(102, 102, 102); font-family: 宋體; line-height: 24px; widows: 1; "></span>在電子系統(tǒng)設(shè)計中，為了少走彎路和節(jié)省時間，應(yīng)充分考慮并滿足鄂爾多斯IC卡水表廠家/價格優(yōu)惠抗干擾性的要求，避免在設(shè)計完成后再去進行抗干擾的補救措施。形成干擾的基本要素有三個，下面來介紹一下干擾的防范措施：<br />　　1)干擾源，指產(chǎn)生干擾的元件、設(shè)備或信號，描述如下：燥聲大的地方就是干擾源。如：雷電、繼電器、可控硅、電機、高頻時鐘等都可能成為干擾源。<br />　　2)傳播路徑，指干擾從干擾源傳播到敏感器件的通路或媒介。典型的干擾傳 播路徑是通過導線的傳導和空間的輻射。<br />　　3)敏感器件，指容易被干擾的對象。如：A/D、D/A變換器，單片機，數(shù)字IC， 弱信號放大器等。<br />　　IC卡智能水表抗干擾設(shè)計的基本原則是：抑制干擾源，切斷干擾傳播路徑，提高敏感器件的 抗干擾性能。<span style="color: rgb(102, 102, 102); font-family: 宋體; line-height: 24px; widows: 1; "></span><br><div class="content-item content-text-item" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0.18rem; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; border-image: initial; outline-width: 0px; outline-style: initial; outline-color: initial; vertical-align: baseline; color: rgb(51, 51, 51); font-family: -apple-system-font, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; font-size: 18px; line-height: 29px; text-align: justify; widows: 1; background-image: initial; background-attachment: initial; background-origin: initial; background-clip: initial; background-position: initial initial; background-repeat: initial initial; ">下圖是一個簡單的水表控制框圖：</div><div class="content-item content-img-item" style="margin-top: -0.08rem; margin-right: auto; margin-bottom: 0.13rem; margin-left: auto; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; border-image: initial; outline-width: 0px; outline-style: initial; outline-color: initial; vertical-align: baseline; position: relative; max-width: ; overflow-x: hidden; overflow-y: hidden; color: rgb(51, 51, 51); font-family: -apple-system-font, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; font-size: 18px; line-height: 29px; text-align: justify; widows: 1; width: 640px; "><div class="news-img-div" style="margin: 0px; padding: 329px 0px 0px; border: 0px; outline: 0px; vertical-align: baseline; background: transparent;"><span style="color: rgb(51, 51, 51); font-family: -apple-system-font, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; font-size: 18px; line-height: 29px; text-align: justify; widows: 1; ">由于是電池供電并且要工作6年以上，MCU需要低功耗產(chǎn)品。目前的MCU有8位、16位和32位機。對于流量計量的任務(wù)而言8位MCU基本就可以滿足了，但隨著水表通信等功能的增加，對MCU資源的需求多了，32位低功耗的MCU將會是的選擇。</span><img class="J-content-img" data-timgurl="=88521485&fm=173&s=C9A03C72034271494EF455DA0000D0B1&w=640&h=329&img.JPEG&access=215967316" data-box-viewerurl="=88521485&fm=173&s=C9A03C72034271494EF455DA0000D0B1&w=640&h=329&img.JPEG&access=215967316" data-bigoriginal="=88521485&fm=173&s=C9A03C72034271494EF455DA0000D0B1&w=640&h=329&img.JPEG&access=215967316" src="=88521485&fm=173&s=C9A03C72034271494EF455DA0000D0B1&w=640&h=329&img.JPEG&access=215967316" style="margin: 0px; padding: 0px; border: 0px; outline: 0px; vertical-align: middle; max-width: ; position: absolute; top: 0px; width: 640px; height: 329px; background: transparent;" alt="" /></div></div><br><span style="color: rgb(102, 102, 102); font-family: 宋體; line-height: 24px; widows: 1; "></span>在IC卡智能水表系統(tǒng)中還存在一定的干擾，對水表的系統(tǒng)安全造成一定的，在電子學中對干擾的分類大多分為燥聲干擾，電源串擾、靜電干擾。<br />　　在電子學中，干擾是這樣來定義的，干擾：在接收一所需信號時，非所需能量造成的擾亂效應(yīng)，包括其它信號的影響、雜散發(fā)射、人為燥聲等。<br />　　在國際無線電咨詢的文件中，干擾的結(jié)果被分為三類；允許的干擾、可接受的干擾和有的干擾。下面在水表中提到的干擾是指電子電路中的干擾，是整個系統(tǒng)統(tǒng)或設(shè)備中的一個關(guān)鍵部分。<span style="color: rgb(102, 102, 102); font-family: 宋體; line-height: 24px; widows: 1; "></span><br><span style="color: rgb(102, 102, 102); font-family: 宋體; line-height: 24px; widows: 1; ">鄂爾多斯IC卡水表廠家/價格優(yōu)惠物理性破壞指標。一般說來，只要采用良好的整體性殼體保護措施，一般都能滿足保護性要求。當然，使用IC卡的水表，其卡座是容易受攻擊的部位，這是一個無法解決的問題。所以要考慮進行軟件保護處理，使對卡座的攻擊意義不大，即便卡座壞了，并不影響IC卡水表其它部分的正常工作。但從實際使用情況來看，這個問題并不嚴重。因為IC卡水表一般是安裝在用戶家里，使用對象明確，并且水表是用戶的財產(chǎn)，沒有特殊的理由，用戶并不會攻擊儀表。不能考慮無限制的加強儀表的抗攻擊性，而是要對故意施加的破壞行為能夠進行認定并進行相應(yīng)處罰。</span><br><p style="color: rgb(102, 102, 102); font-family: 宋體; line-height: 24px; widows: 1; "><strong>鄂爾多斯IC卡水表廠家/價格優(yōu)惠外形尺寸：</strong><br /></p><table width="" border="0" cellspacing="0" cellpadding="0" style="padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; color: rgb(102, 102, 102); font-family: 宋體; font-size: 12px; line-height: 24px; widows: 1; "><tbody><tr><td width="31%" style="color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">1、安裝示意圖</td><td width="69%" style="color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">2、水表連接尺寸圖</td></tr><tr><td style="color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><img src="" width="210" height="160" alt="" /></td><td style="color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><table width="90%" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC" style="padding: 0px; margin: 0px;"><tbody><tr><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">公稱通徑DNmm</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">50</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">80</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">100</td></tr><tr><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">法蘭外徑</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">165</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">200</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">220</td></tr><tr><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">螺孔中心直徑Dmm₁</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">125</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">160</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">180</td></tr><tr><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">螺孔數(shù)量直徑z-￠d</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">4-19</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">8-19</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">8-19</td></tr><tr><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">總長度 lmm</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">280</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">370</td><td height="25" align="center" bgcolor="#FFFFFF" style="font-family: 宋體; color: rgb(51, 51, 51); padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">370</td></tr></tbody></table></td></tr></tbody></table></span><br /><br />

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