AB羅克韋爾2711-PK10C6D2觸摸屏喜歡您來(lái)
iPhone11一經(jīng)發(fā)布,“浴霸”攝像頭就被很多人吐槽,相較于外形,相信大家更關(guān)心的是它的內(nèi)在。比如它的GPU,手機(jī)過(guò)燙的經(jīng)歷,相信大家都有過(guò)吧,GPU就是手機(jī)溫度的“操控者”。通過(guò)菲力爾紅外熱成像儀對(duì)比iPhone11ProMax和iPhoneXSMax,我們可以發(fā)現(xiàn),新處理器的發(fā)熱量比過(guò)去要降低了,用熱成像儀觀看兩者后背,主要發(fā)熱區(qū)域都在攝像頭斜下方,但新iPhone發(fā)熱量明顯要小于上代產(chǎn)品,溫度差了3度。
您急需的產(chǎn)品,找不到的產(chǎn)品,請(qǐng)時(shí)間聯(lián)系我們鴻飛達(dá),您的大問(wèn)題,鴻飛達(dá)時(shí)間為您服務(wù)!!
我們的宗旨是:“用服務(wù)與真誠(chéng)來(lái)?yè)Q取你的信任與支持, 互惠互利,共創(chuàng)雙贏!”我公司愿與各界同仁志士 竭誠(chéng)合作,共創(chuàng)未來(lái)!
誠(chéng)信是用不完的資本,信譽(yù)是打不倒的招牌 !
真誠(chéng)服務(wù) 誠(chéng)信合作 歡迎您的垂詢!!!
ADC模塊是一個(gè)12位、具有線結(jié)構(gòu)的模數(shù)轉(zhuǎn)換器,用于控制回路中的數(shù)據(jù)采集。本文提出一種用于提高TMS320F2812ADC精度的方法,使得ADC精度得到有效提高。1ADC模塊誤差的定義及影響分析1.1誤差定義常用的A/D轉(zhuǎn)換器主要存在:失調(diào)誤差、增益誤差和線性誤差。這里主要討論失調(diào)誤差和增益誤差。理想情況下,ADC模塊轉(zhuǎn)換方程為y=x×mi,式中x=輸入計(jì)數(shù)值=輸入電壓×4095/3;y=輸出計(jì)數(shù)值。

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上升時(shí)間的定義頂部值、底部值的定義為什么要測(cè)量上升時(shí)間在日常對(duì)待信號(hào)快慢的態(tài)度上,小伙伴們一般只關(guān)心信號(hào)的頻率,而不關(guān)心信號(hào)的上升時(shí)間。兔子是跑得快,但跑得慢的不一定是烏龜。在標(biāo)準(zhǔn)的正弦波中,上升時(shí)間與頻率是純潔的數(shù)學(xué)關(guān)系,但在實(shí)際中,從傅里葉級(jí)數(shù)可知,實(shí)際的波形是基波和高次諧波混合的產(chǎn)物。波形高次諧波的比重越大,其上升時(shí)間就越短。與信號(hào)的頻率相比,上升時(shí)間更能代表信號(hào)的快慢。所以不要小看低頻的信號(hào),只要它的上升沿是在瞬間爆發(fā)的,則足以引起信號(hào)的振鈴、反射、過(guò)沖等一系列問(wèn)題。