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电子课本
绛旓細鏍规嵁2011骞寸増鏂浜烘暀鐗堢墿鐞嗗叓骞寸骇涓婂唽锛屾暀鏉鍐呭瀹夋帓濡備笅锛氱涓绔 鏈烘杩愬姩 1.1 闀垮害鍜屾椂闂寸殑娴嬮噺 1.2 杩愬姩鐨勬弿杩 1.3 杩愬姩鐨勫揩鎱 1.4 娴嬮噺骞冲潎閫熷害 绗簩绔 澹扮幇璞 2.1 澹伴煶鐨勪骇鐢熶笌浼犳挱 2.2 澹伴煶鐨勭壒鎬 2.3 澹扮殑鍒╃敤 2.4 鍣０鐨勫嵄瀹冲拰鎺у埗 绗笁绔 鐗╂佸彉鍖 3.1 娓╁害 3.2 鐔斿寲鍜屽嚌...
绛旓細浜烘暀鐗堝叓骞寸骇涓嬪唽鐗╃悊鐭ヨ瘑鐐规荤粨1.鐢靛帇鈶寸數鍘嬬數鍘嬫槸浣胯嚜鐢辩數鑽峰彂鐢熷畾鍚戠Щ鍔ㄥ舰鎴愮數娴佺殑鍘熷洜.瑕佸湪涓娈电數璺腑浜х敓鐢垫祦,瀹冪殑涓ょ灏辫鏈夌數鍘.鐢垫簮鏄彁渚涚數鍘嬬殑瑁呯疆.鈶电數鍘嬬殑鍗曚綅鍙婂叾鎹㈢畻鈶犲浗闄呭崟浣:浼忕壒,绠绉颁紡,绗﹀彿鏄疺.甯哥敤鍗曚綅:鍗冧紡(kV)銆佹浼(mV)銆佸井浼(渭V)鈶″崟浣嶆崲绠楀叧绯:1 kV=1000V 1V=1000 mV 1 mV=1000...
绛旓細1銆佷汉鑰崇殑鏋勬垚:浜鸿充富瑕佺敱澶栬抽亾銆侀紦鑶溿佸惉灏忛銆佽宠湕鍙婂惉瑙夌缁忕粍鎴;2銆佸０闊充紶鍒拌抽亾涓,寮曡捣榧撹啘鎸姩,鍐嶇粡鍚皬楠ㄣ佸惉瑙夌缁忎紶缁欏ぇ鑴,褰㈡垚鍚;(鎸夎鏈鍐呭璁板繂)3銆佸湪澹伴煶浼犵粰澶ц剳鐨勮繃绋嬩腑浠讳綍閮ㄤ綅鍙戠敓闅滅,浜洪兘浼氬け鍘诲惉瑙(榧撹啘銆佸惉灏忛澶勫嚭鐜伴殰纰嶆槸浼犲鎬ц宠亱;鍚绁炵粡澶勫嚭闅滅鏄缁忔ц宠亱);4銆侀浼犲:涓...
绛旓細1 . 澹伴煶鐨勫彂鐢燂細鐢辩墿浣撶殑鎸姩鑰屼骇鐢熴傛尟鍔ㄥ仠姝紝鍙戝０涔熷仠姝2锛庡０闊崇殑浼犳挱锛氬０闊抽潬浠嬭川浼犳挱銆傜湡绌轰笉鑳戒紶澹般傞氬父鎴戜滑鍚埌鐨勫０闊虫槸闈犵┖姘斾紶鏉ョ殑銆3锛庡０閫燂細鍦ㄧ┖姘斾腑浼犳挱閫熷害鏄細340绫/绉掋傚０闊冲湪鍥轰綋浼犳挱姣旀恫浣撳揩锛岃屽湪娑蹭綋浼犳挱鍙堟瘮绌烘皵浣撳揩銆4锛庡埄鐢ㄥ洖澹板彲娴嬭窛绂伙細S=1/2vt 5锛庝箰闊崇殑涓変釜鐗瑰緛...
绛旓細瀛︿範鐗╃悊涓嶄粎鑳藉涔犲埌鐗╃悊鐭ヨ瘑,鎻愰珮鐢熸椿鐨勮兘鍔,鑰屼笖鑳藉鍒颁竴浜涚爺绌堕棶棰樼殑鏂规硶,鎴戜负澶у褰掔撼浜浜烘暀鐗堝垵浜涓婂唽鐗╃悊鐭ヨ瘑鐐,甯屾湜澶у鑳藉ソ濂藉涔,鏈熸湯鑰冭瘯鑰冨嚭濂芥垚缁┿ 鍏勾绾(鍒濅簩)鐗╃悊涓婂唽鐭ヨ瘑鐐瑰涔犲綊绾 绗竴绔 鏈烘杩愬姩 甯歌冪偣 1.鏈烘杩愬姩:涓涓墿浣撶浉瀵瑰彟涓涓墿浣撲綅缃敼鍙(鍏抽敭鎶撲綇浜斾釜瀛椻滀綅缃殑鍙樺寲鈥) 2.杩愬姩...
绛旓細浠鐗╃悊瑙掑害鐪,鍣０鏄寚鍙戝０浣撳仛鏃犺鍒欏湴鏉備贡鏃犵珷鎸姩鏃跺彂鍑虹殑澹伴煶.浠庣幆淇濊搴︾湅,鍑℃槸濡ㄧ浜轰滑姝ｅ父浼戞伅銆佸涔犲拰宸ヤ綔鐨勫０闊抽兘灞炰簬鍣０. 8. 澹伴煶绛夌骇鐨勫垝鍒 鐢ㄥ垎璐濇潵鍒掑垎澹伴煶鐨勭瓑绾,30dB鈥40dB鏄緝鐞嗘兂鐨勫畨闈欑幆澧,瓒呰繃50dB灏变細褰卞搷鐫＄湢,70dB浠ヤ笂浼氬共鎵拌皥璇,褰卞搷宸ヤ綔鏁堢巼,闀挎湡鐢熸椿鍦90dB浠ヤ笂鐨勫櫔澹扮幆澧冧腑,浼氬奖鍝嶅惉鍔...
绛旓細浜烘暀鐗堝叓骞寸骇鐗╃悊涓婂唽鐭ヨ瘑鐐规荤粨3 绗笁绔 鐗╂佸彉鍖 涓銆佹俯搴 1.娓╁害: 鐗╀綋鐨勫喎鐑▼搴﹀彨鍋氭俯搴︺ 2.娓╁害璁″埗浣滃師鐞: 娓╁害璁℃槸鏍规嵁娑蹭綋鐑儉鍐风缉鐨勬ц川鍒舵垚鐨勩 3.鎽勬皬娓╁害鐨勮瀹: 鎶婂湪鏍囧噯澶ф皵鍘嬩笅鍐版按娣峰悎鐗╃殑娓╁害瀹氫负0鎽勬皬搴,娌告按鐨勬俯搴﹀畾涓100鎽勬皬搴︺ 4.娓╁害璁′娇鐢ㄦ柟娉: (1)娓╁害璁＄殑鐜荤拑娉″叏閮ㄦ蹈鍏ヨ...
绛旓細鈶村櫔澹:浠鐗╃悊瑙掑害鐪:鍙戝０浣撳仛鏃犺鍒欐尟鍔ㄦ椂鍙戝嚭鐨勫０闊冲彨鍣０銆備粠鐜繚瑙掑害鐪:鍑℃槸濡ㄧ浜轰滑姝ｅ父浼戞伅銆佸涔犲拰宸ヤ綔鐨勫０闊,浠ュ強瀵逛汉浠鍚埌鐨勫０闊充骇鐢熷共鎵扮殑澹伴煶,閮藉睘浜庡櫔澹般 鈶典笉鍚岀瓑绾х殑鍣０浼氬浜恒佸姩妞嶇墿浜х敓涓嶅悓鐨勫嵄瀹炽 鈶舵帶鍒跺櫔澹扮殑涓変釜閫斿緞:闃叉鍣０浜х敓銆侀樆鏂櫔澹扮殑浼犳挱銆侀槻姝㈠櫔澹拌繘鍏ヨ虫湹銆傚嵆鍦ㄥ０婧愬鍑忓急銆...
绛旓細鎺㈢储鍒濅簩鐗╃悊鏂伴噷绋嬶細浜烘暀鐗堝叓骞寸骇涓嬪唽鐭ヨ瘑鐐规瑙 1. 鍔涚殑濂ョ (7.1 鍔) - 鍔涳紝鏄墿浣撻棿鏃犲０鐨勫璇濓紝鏂藉姏涓庡彈鍔涗氦缁囷紝褰卞搷杩愬姩涓庡舰鎬併傜墰椤跨殑鑸炲彴锛屽ぇ灏忋佹柟鍚戝拰浣滅敤鐐规槸瀹冪殑涓夐噸濂忥紝浠ョ墰椤(N)濂忓搷鐢熷懡鐨勪氦鍝嶄箰绔犮2. 寮瑰姏鐨勮垶韫 (7.2 寮瑰姏) - 寮圭哀杞荤泩璧疯垶锛屾祴閲忓姏鐨勮垶鍙帮紝鍒繕浜嗗畠涔熸湁...
绛旓細浠鐗╃悊瑙掑害鐪嬶紝鍣０鏄寚鍙戝０浣撳仛鏃犺鍒欏湴鏉備贡鏃犵珷鎸姩鏃跺彂鍑虹殑澹伴煶銆備粠鐜繚瑙掑害鐪嬶紝鍑℃槸濡ㄧ浜轰滑姝ｅ父浼戞伅銆佸涔犲拰宸ヤ綔鐨勫０闊抽兘灞炰簬鍣０銆6銆佸０闂寸瓑绾х殑鍒掑垎 浜轰滑鐢ㄥ垎璐濇潵鍒掑垎澹伴煶鐨勭瓑绾э紝30dB鈥40dB鏄緝鐞嗘兂鐨勫畨闈欑幆澧冿紝瓒呰繃50dB灏变細褰卞搷鐫＄湢锛70dB浠ヤ笂浼氬共鎵拌皥璇濓紝褰卞搷宸ヤ綔鏁堢巼锛岄暱鏈熺敓娲诲湪90dB浠ヤ笂鐨...
