鐩搁棞(gu膩n)鎺ㄨ枽锛�2020骞寸挵(hu谩n)澧冨奖闊胯⿻(p铆ng)鍍�(ji脿)甯€婂皫(d菐o)鍓囪垏妯�(bi膩o)婧�(zh菙n)銆嬪倷鑰冭硣鏂欏尟绺�

鑱茬挵(hu谩n)澧冨奖闊块爯(y霉)娓�(c猫)鑸囪⿻(p铆ng)鍍�(ji脿)锛�

(涓€)鎺屾彙鍣伈绱�(j铆)鐩稿姞鑸囩浉娓涜▓(j矛)绠楁柟娉�

1.鍣伈绱�(j铆)鐨勭浉鍔�

鈶村叕寮忔硶銆傗憼灏�(du矛)鏁�(sh霉)鎻涚畻锛歅1=P010L1/20 P2=P010L2/20

鈶¤兘閲忓姞鍜岋細(P1+2)2=P12+P22=P02(10 L1/10+10L2/10)

鈶㈠悎鎴愯伈澹撶礆(j铆)锛歀1+2=10lg(10 L1/10+10 L2/10)

鈶ｅ咕鍊�(g猫)鑱插绱�(j铆)鐩稿姞鐨勯€氱敤寮忥細L绺�=10lg(∑10Li/10) (i=1~n) (閲嶉粸(di菐n))銆€Li—鏌愪竴鍊�(g猫)鑱插绱�(j铆)锛宒B

鈶よ嫢骞惧€�(g猫)鑱插绱�(j铆)鍧囩浉鍚�锛岀啊(ji菐n)鍖栫偤锛歀绺�=LP+10lgN銆€ LP—鍠€�(g猫)鑱插绱�(j铆)锛宒B;N—鐩稿悓鑱插绱�(j铆)鐨勫€�(g猫)鏁�(sh霉)銆�

鈶垫煡琛ㄦ硶锛氬埄鐢ㄥ垎璨濆拰澧炲€艰〃鐩存帴鏌ュ嚭涓嶅悓鑱茬礆(j铆)鍊煎姞鍜屽悗鐨勫鍔犲€�锛岀劧鍚庤▓(j矛)绠楀姞鍜岀祼(ji茅)鏋�銆傚湪涓€鑸湁闂�(gu膩n)宸ュ叿鏇告垨鏁欑鏇镐腑鍧囬檮鏈夎┎琛ㄣ€傝浣忚伈澹撶礆(j铆)宸�(L1-L2)dB,0灏�(du矛)鎳�(y墨ng)澧炲€尖柍L鐐�3锛�6灏�(du矛)鎳�(y墨ng)1锛�9灏�(du矛)鎳�(y墨ng)0.5銆�

2.鍣伈绱�(j铆)鐨勭浉娓涳細L1=10lg(100.1L鍚�-100.1L2)

(浜�)鐔熸倝瀵�(sh铆)闅涜伈婧愯繎浼肩偤榛�(di菐n)鑱叉簮鐨勬浠�

1.榛�(di菐n)鑱叉簮瀹氱京:浠ョ悆闈㈡尝褰㈠紡杓诲皠鑱叉尝鐨勮伈婧愩€傚緸鐞嗚珫涓婂彲浠ヨ獚(r猫n)鐐轰换浣曞舰鐙€鐨勮伈婧�锛屽彧瑕佽伈娉㈡尝闀�(zh菐ng)閬�(yu菐n)閬�(yu菐n)>鑱叉簮骞句綍灏哄锛岃┎鑱叉簮灏卞彲瑕栫偤榛�(di菐n)鑱叉簮銆�

2. 瀵�(sh铆)闅涜伈婧愯繎浼肩偤榛�(di菐n)鑱叉簮鐨勬浠讹細鈶村皪(du矛)浜庡柈涓€鑱叉簮锛屽鑱叉簮涓績鍒伴爯(y霉)娓�(c猫)榛�(di菐n)涔嬮枔鐨勮窛闆㈣秴閬�(gu貌)鑱叉簮鏈€澶у咕浣曞昂瀵�2鍊嶆檪(sh铆)锛岃┎鑱叉簮鍙繎浼肩偤榛�(di菐n)鑱叉簮銆傗懙鐢辩溇澶氳伈婧愮祫鎴愮殑寤ｇ京鍣伈婧�锛屽閬撹矾銆侀惖璺氦閫氭垨宸ユキ(y猫)鍗€(q奴)锛屽彲閫氶亷(gu貌)鍒嗗崁(q奴)鐢ㄤ綅浜庝腑蹇冧綅缃殑绛夋晥榛�(di菐n)鑱叉簮杩戜技銆傛煇涓€鍒嗗崁(q奴)绛夋晥鐐洪粸(di菐n)鑱叉簮鐨勬浠讹細鈶犲垎鍗€(q奴)鍏�(n猫i)鑱叉簮鏈夊ぇ鑷寸浉鍚岀殑寮�(qi谩ng)搴﹀拰闆㈠湴闈㈢殑楂樺害銆佸埌闋�(y霉)娓�(c猫)榛�(di菐n)鏈夌浉鍚岀殑鍌虫挱姊濅欢;鈶＄瓑鏁堥粸(di菐n)鑱叉簮鍒伴爯(y霉)娓�(c猫)榛�(di菐n)鐨勮窛闆�(d)鎳�(y墨ng)>鑱叉簮鏈€澶у昂瀵�(Hmax)2鍊�(d>2Hmax)锛屽璺濋洟杓冨皬 (d≤2Hmax)锛岀附鑱叉簮蹇呴爤閫�(j矛n)涓€姝ュ妰鍒嗙偤鏇村皬鐨勫崁(q奴)銆傜瓑鏁堥粸(di菐n)鑱叉簮鐨勮伈鍔熺巼绱�(j铆)绛変簬鍒嗗崁(q奴)鍏�(n猫i)鍚勮伈婧愯伈鍔熺巼绱�(j铆)鐨勮兘閲忓拰銆傚(sh铆)闅涗笂浠讳綍绶氳伈婧愬拰闈㈣伈婧愬潎鍙噰鐢ㄥ垎鍗€(q奴)鐨勬柟娉曠啊(ji菐n)鍖栫偤榛�(di菐n)鑱叉簮锛岀劧鍚庨€氶亷(gu貌)姣忎竴鍊�(g猫)榛�(di菐n)鑱叉簮鍦ㄩ爯(y霉)娓�(c猫)榛�(di菐n)鐢�(ch菐n)鐢熺殑鑱茬礆(j铆)鐨勭枈鍔�锛岀嵅寰楃窔鑱叉簮鎴栭潰鑱叉簮灏�(du矛)浜庢脯(c猫)榛�(di菐n)鐨勫奖闊裤€�

(涓�)鎺屾彙榛�(di菐n)鑱叉簮骞句綍鐧�(f膩)鏁ｈ“娓涘叕寮�銆佽▓(j矛)绠楀拰鎳�(y墨ng)鐢�

1.宸茬煡榛�(di菐n)鑱叉簮鑱插姛鐜囩礆(j铆)鏅�(sh铆)鐨勮窛闆㈢櫦(f膩)鏁ｈ“娓�

鈶犲湪鑷敱鑱插牬(ch菐ng)姊濅欢涓�锛岄粸(di菐n)鑱叉簮鐨勮伈娉㈤伒寰悆闈㈢櫦(f膩)鏁ｈ(gu墨)寰嬶紝鎸夎伈鍔熺巼绱�(j铆)浣滅偤榛�(di菐n)鑱叉簮瑭�(p铆ng)鍍�(ji脿)閲�锛屽叾琛版笡鍏紡:ΔL=10lg[1/(4πr2)] (8-1) 寮忎腑锛�ΔL—璺濋洟澧炲姞鐢�(ch菐n)鐢熻“娓涘€硷紝dB;r—榛�(di菐n)鑱叉簮鑷冲彈鑱查粸(di菐n)鐨勮窛闆�锛宮銆�

鈶″湪璺濋洟榛�(di菐n)鑱叉簮r1铏曡嚦r2铏曠殑琛版笡鍊硷細ΔL=20lg(r1/r2) (8-2)

鐣�(d膩ng)r2=2r1鏅�(sh铆)锛�ΔL=-6(dB)锛屽嵆榛�(di菐n)鑱叉簮鑱插偝鎾窛闆㈠鍔犱竴鍊�锛岃“娓涘€兼槸6(dB)銆�

2.宸茬煡闈犺繎榛�(di菐n)鑱叉簮r0铏曡伈绱�(j铆)鏅�(sh铆)鐨勫咕浣曠櫦(f膩)鏁ｈ“娓�

鐒�(w煤)鎸囧悜鎬ч粸(di菐n)鑱叉簮骞句綍鐧�(f膩)鏁ｈ“娓涚殑鍩烘湰鍏紡锛歀(r)=L(r0)-20lg(r/r0) (8-3) L(r)锛孡(r0)—r锛宺o铏曠殑鑱茬礆(j铆)

3.鍏锋湁鎸囧悜鎬ц伈婧愬咕浣曠櫦(f膩)鏁ｈ“娓涳細L(r)=L(r0)- 20lg(r/r0) LA(r)=LA(r0)-20lg(r/r0) (8-4)

涓婂紡涓�锛孡(r)鑸嘗(r0)锛孡A(r)鑸嘗A(r0)蹇呴爤鏄湪鍚屼竴鏂瑰悜涓婄殑鑱茬礆(j铆)銆傚r锛宺o鏄窛鎸囧悜鎬ц伈婧愪笉鍚屾柟鍚戜笂鐨勮窛闆紝鍓囦笉鑳界敤涓婂紡鐩存帴瑷�(j矛)绠�銆�

(鍥�)鐔熸倝绶氳伈婧�銆侀潰鑱叉簮骞句綍鐧�(f膩)鏁ｈ“娓涘叕寮忋€佽▓(j矛)绠楀拰鎳�(y墨ng)鐢�

1.绶氳伈婧愰毃鍌虫挱璺濋洟澧炲姞寮曡捣鐨勮“娓�

鈶寸劇(w煤)闄愰暦(zh菐ng)绶氳伈婧愮殑骞句綍鐧�(f膩)鏁ｈ“娓�銆傛寜鍤�(y谩n)鏍艰姹傦紝鐣�(d膩ng)r/ <1/10鏅�(sh铆)锛屽彲瑕栫偤鐒�(w煤)闄愰暦(zh菐ng)绶氳伈婧�銆�

鈶犲湪鑷敱鑱插牬(ch菐ng)姊濅欢涓�锛屾寜鑱插姛鐜囩礆(j铆)浣滅偤绶氳伈婧愯⿻(p铆ng)鍍�(ji脿)閲�锛屽墖r铏曠殑鑱茬礆(j铆)L(r)鍙敱涓嬪紡瑷�(j矛)绠楋細

L(r)=LW-10lg[1/(2πr)] (8-5) LW—鍠綅闀�(zh菐ng)搴︾窔鑱叉簮鐨勮伈鍔熺巼绱�(j铆)锛宒B;r—绶氳伈婧愯嚦鍙楄伈榛�(di菐n)鐨勮窛闆�锛宮銆�

鈶＄稉(j墨ng)鎺ㄧ畻锛屽湪璺濋洟鐒�(w煤)闄愰暦(zh菐ng)绶氳伈婧恟1鑷硆2铏曠殑琛版笡鍊肩偤锛�ΔL=10lg(r1/r2) (8-6)

鐣�(d膩ng)r2=2r1鏅�(sh铆)锛� 鐢变笂寮忓彲绠楀嚭ΔL= -3dB锛屽嵆绶氳伈婧愯伈鍌虫挱璺濋洟澧炲姞涓€鍊�锛岃“娓涘€兼槸3dB銆�

鈶㈠凡鐭ュ瀭鐩翠簬鐒�(w煤)闄愰暦(zh菐ng)绶氳伈婧愮殑璺濋洟ro铏曠殑鑱茬礆(j铆)锛屽墖r铏曠殑鑱茬礆(j铆)鐐猴細L(r)=L(r0)-10lg(r/r0) (8-7)

鈶ｅ叕寮�(8-7)涓殑绗簩闋�(xi脿ng)琛ㄧず浜嗙劇(w煤)闄愰暦(zh菐ng)绶氳伈婧愮殑骞句綍鐧�(f膩)鏁ｈ“娓涳細Adiv=10lg(r/r0) (8-8)

鈶垫湁闄愰暦(zh菐ng)绶氳伈婧愮殑骞句綍鐧�(f膩)鏁ｈ“娓涖€傝ō(sh猫)绶氳伈婧愰暦(zh菐ng)搴︾偤l0锛屽柈浣嶉暦(zh菐ng)搴︾窔鑱叉簮杓诲皠鐨勫€嶉牷甯惰伈鍔熺巼绱�(j铆)鐐篖(zh菐ng)w銆傚湪绶氳伈婧愬瀭鐩村钩鍒嗙窔涓婅窛鑱叉簮r铏曠殑鑱插绱�(j铆)鐐猴細LP(r)=Lw+10lg[1/r·arctg(l0/2r)]-8 (8-9) 鎴�

LP(r)=LP(r0)+10lg{[1/r·arctg(l0/2r)]/[1/r0·arctg(l0/2r0)} (8-10)

鈶犵暥(d膩ng)r>l0涓攔o>l0鏅�(sh铆)锛屽叕寮�(8-10)鍙繎浼肩啊(ji菐n)鍖栫偤: LP(r)=LP(r0)-20lg(r/r0) (8-11)

鍗冲湪鏈夐檺闀�(zh菐ng)绶氳伈婧愮殑閬�(yu菐n)鍫�(ch菐ng)锛屾湁闄愰暦(zh菐ng)绶氳伈婧愬彲鐣�(d膩ng)浣滈粸(di菐n)鑱叉簮铏曠悊銆�

鈶＄暥(d膩ng)r

鍗冲湪杩戝牬(ch菐ng)鍗€(q奴)锛屾湁闄愰暦(zh菐ng)绶氳伈婧愬彲鐣�(d膩ng)浣滅劇(w煤)闄愰暦(zh菐ng)绶氳伈婧愯檿鐞�銆�

鈶㈢暥(d膩ng)l0/3

2.闈㈣伈婧愰毃鍌虫挱璺濋洟澧炲姞寮曡捣鐨勮“娓�

涓€鍊�(g猫)澶у瀷姗�(j墨)鍣ㄨō(sh猫)鍌欑殑鎸嫊(d貌ng)琛ㄩ潰锛岃粖闁撻€忚伈鐨勫⒒澹侊紝鍧囧彲浠ヨ獚(r猫n)鐐烘槸闈㈣伈婧�銆傚鏋滃凡鐭ラ潰鑱叉簮鍠綅闈㈢⿳鐨勮伈鍔熺巼鐐篧锛岄潰鑱叉簮鍙湅浣滅敱鐒�(w煤)鏁�(sh霉)榛�(di菐n)鑱叉簮閫ｇ簩(x霉)鍒嗗竷绲勫悎鑰屾垚锛屽叾鍚堟垚鑱茬礆(j铆)鍙寜鑳介噺鐤婂姞娉曟眰鍑恒€�

浣滅偤涓€鍊�(g猫)鏁撮珨鐨勯暦(zh菐ng)鏂瑰舰闈㈡簮(b>a,闀�(zh菐ng)搴銆侀珮搴)锛屼腑蹇冭桓绶氫笂鐨勫咕浣曠櫦(f膩)鏁ｈ伈琛版笡鍙繎浼煎涓嬶細鈶犻爯(y霉)娓�(c猫)榛�(di菐n)鍜岄潰鑱叉簮涓績璺濋洟rb/π鏅�(sh铆)锛岃窛闆㈠姞鍊嶈“娓涜定杩戜簬6dB锛岄浼奸粸(di菐n)鑱叉簮琛版笡锛�(Adiv≈20 lg(r/r0))銆�

(浜�)鐔熸倝鍣伈寰炲鍏�(n猫i)鍚戝澶栧偝鎾殑瑷�(j矛)绠楁柟娉�

1. 瀹ゅ収(n猫i)鍜屽澶栬伈绱�(j铆)宸殑瑷�(j矛)绠楋細鐣�(d膩ng)鑱叉簮浣嶄簬瀹ゅ収(n猫i)锛岃ō(sh猫)闈犺繎闁嬪彛铏�(鎴栫獥鎴�)瀹ゅ収(n猫i)鍜屽澶栫殑鑱茬礆(j铆)鍒嗗垾鐐篖(zh菐ng)1鍜孡2銆傝嫢鑱叉簮鎵€鍦ㄥ鍏�(n猫i)鑱插牬(ch菐ng)杩戜技鎿�(ku貌)鏁ｈ伈鍫�(ch菐ng)锛屼笖澧荤殑闅旇伈閲忛仩(yu菐n)>绐楃殑闅旇伈閲�锛屽墖瀹ゅ収(n猫i)鍜屽澶栫殑鑱茬礆(j铆)宸偤锛歂R=L1-L2=TL+6 (8-14) TL—绐楁埗鐨勯殧鑱查噺锛宒B銆侼R—瀹ゅ収(n猫i)鍜屽澶栫殑鑱茬礆(j铆)宸�锛屾垨绋辨彃鍏ユ悕澶�锛宒B銆�

TL銆丯R鍧囧拰鑱叉尝鐨勯牷鐜囨湁闂�(gu膩n)銆傚叾涓璍1鍙互鏄脯(c猫)閲忓€兼垨瑷�(j矛)绠楀€�锛岃嫢鐐鸿▓(j矛)绠楀€兼檪(sh铆)锛屾寜涓嬪紡瑷�(j矛)绠楋細

L1=LW1+10lg[Q/(4πr12)+4/R] (8-15)

寮忎腑锛歀W1—鏌愬€�(g猫)瀹ゅ収(n猫i)鑱叉簮鍦ㄩ潬杩戝湇璀�(h霉)绲�(ji茅)妲�(g貌u)铏曠敘(ch菐n)鐢熺殑鍊嶉牷甯惰伈鍔熺巼绱�(j铆);r1—鏌愬€�(g猫)瀹ゅ収(n猫i)鑱叉簮鑸囬潬杩戝湇璀�(h霉)绲�(ji茅)妲�(g貌u)铏曠殑璺濋洟;Q—鎸囧悜鎬у洜瀛�;閫氬父灏�(du矛)鐒�(w煤)鎸囧悜鎬ц伈婧�锛屸憼鐣�(d膩ng)鑱叉簮鏀惧湪鎴块枔涓績鏅�(sh铆)锛孮=1;鈶＄暥(d膩ng)鏀惧湪涓€闈㈠⒒鐨勪腑蹇冩檪(sh铆)锛孮=2;鈶㈢暥(d膩ng)鏀惧湪鍏╅潰澧诲ぞ瑙掕檿鏅�(sh铆)锛孮=4;鈶ｇ暥(d膩ng)鏀惧湪涓夐潰澧诲ぞ瑙掕檿鏅�(sh铆)锛孮=8;L1—闈犺繎鍦嶈(h霉)绲�(ji茅)妲�(g貌u)铏曠殑鍊嶉牷甯惰伈澹撶礆(j铆)銆俁—鎴块枔甯告暩(sh霉):R=Sα/(1-α) (8-16) S—鎴块枔鍏�(n猫i)琛ㄩ潰闈㈢⿳锛宮2;α—骞冲潎鍚歌伈绯绘暩(sh霉)銆�

2.绛夋晥瀹ゅ鑱叉簮鐨勮伈鍔熺巼绱�(j铆)瑷�(j矛)绠楋細棣栧厛鐢�(8-15)瑷�(j矛)绠楀嚭鏌愬€�(g猫)鑱叉簮鍦ㄦ煇鍊�(g猫)瀹ゅ収(n猫i)鍦嶈(h霉)绲�(ji茅)妲�(g貌u)铏�(濡傜獥鎴�)鐨勫€嶉牷甯惰伈澹撶礆(j铆)锛岀劧鍚庤▓(j矛)绠楀嚭鎵€鏈夊鍏�(n猫i)鑱叉簮鍦ㄩ潬杩戝湇璀�(h霉)绲�(ji茅)妲�(g貌u)铏曠敘(ch菐n)鐢熺殑绺藉€嶉牷甯剁枈鍔犺伈澹撶礆(j铆)(鎸夊櫔鑱茬礆(j铆)鐤婂姞瑷�(j矛)绠楁眰鍜�)锛屽啀灏囧澶栬伈绱�(j铆)L2鍜岄€忚伈闈㈢⿳鎻涚畻鎴愮瓑鏁堝澶栬伈婧愶紝瑷�(j矛)绠楀嚭绛夋晥鑱叉簮鐨勫€嶉牷甯惰伈鍔熺巼绱�(j铆)锛�

Lw2=L2(T)+10 lgS (8-17) Lw2—绛夋晥鑱叉簮鐨勫€嶉牷甯惰伈鍔熺巼绱�(j铆);S—閫忚伈闈㈢⿳锛宮2;L2—瀹ゅ鑱茬礆(j铆)銆傜瓑鏁堝澶栬伈婧愮殑浣嶇疆鐐哄湇璀�(h霉)绲�(ji茅)妲�(g貌u)鐨勪綅缃€傜敱姝ゆ寜瀹ゅ鑱叉簮鏂规硶瑷�(j矛)绠楃瓑鏁堝澶栬伈婧愬湪闋�(y霉)娓�(c猫)榛�(di菐n)鐢�(ch菐n)鐢熺殑鑱茬礆(j铆)銆�

(鍏�)鐔熸倝鑱睧IA鐨勬柟娉�

鈶� 鍩烘湰瑕佹眰鍜屾柟娉�:鈶犺⿻(p铆ng)鍍�(ji脿)闋�(xi脿ng)鐩缓瑷�(sh猫)鍓嶇挵(hu谩n)澧冨櫔鑱茬従(xi脿n)鐙€;鈶¤⿻(p铆ng)鍍�(ji脿)CP鍦ㄥ缓瑷�(sh猫)鏈�銆侀亱(y霉n)琛屾湡鍣伈褰遍熆绋嬪害銆佽秴妯�(bi膩o)鑼冨湇鍜岃秴妯�(bi膩o)鐙€娉�;鈶㈠垎鏋愬彈褰遍熆浜哄彛鐨勫垎甯冪媭娉�;鈶ｅ垎鏋怌P 鐨勫櫔鑱叉簮鍒嗗竷鍜屽紩璧疯秴妯�(bi膩o)鐨勪富瑕佸櫔鑱叉簮鎴栦富瑕佽秴妯�(bi膩o)鍘熷洜;鈶ゅ垎鏋怌P閬稿潃銆佽ō(sh猫)鍌欏竷缃拰閬稿瀷鐨勫悎鐞嗘€�锛屽垎鏋愰爡(xi脿ng)鐩ō(sh猫)瑷�(j矛)涓凡鏈夌殑鍣伈闃叉不鎺柦鐨勯仼鐢ㄦ€у拰闃叉不鏁堟灉;鈶� 瑭�(p铆ng)鍍�(ji脿)蹇呴爤澧炲姞鎴栬(di脿o)鏁寸殑閬╃敤鏈伐绋嬬殑鍣伈闃叉不鎺柦锛屽垎鏋愬叾缍�(j墨ng)婵�(j矛)銆佹妧琛�(sh霉)鐨勫彲琛屾€�;鈶︽彁鍑洪嚌灏�(du矛)瑭查爡(xi脿ng)宸ョ▼鏈夐棞(gu膩n)鐠�(hu谩n)澧冨櫔鑱茬洠(ji膩n)鐫ｇ鐞嗐€佺挵(hu谩n)澧冪洠(ji膩n)娓�(c猫)瑷�(j矛)鍔冨拰鍩庡競瑕�(gu墨)鍔冩柟闈㈢殑寤鸿銆�

鈶靛伐绀︿紒妤�(y猫)鑱睧IA锛氣憼鎸夊粻鍗€(q奴)鍛ㄥ湇鏁忔劅鐩(bi膩o)鎵€铏曠殑鐠�(hu谩n)澧冨姛鑳藉崁(q奴)椤炲垾瑭�(p铆ng)鍍�(ji脿)鍣伈褰遍熆鐨勮寖鍦嶅拰绋嬪害锛岃(shu艒)鏄庡彈褰遍熆浜哄彛鎯呮硜;鈶″垎鏋愪富瑕佸奖闊跨殑鍣伈婧�锛岃(shu艒)鏄庡粻鐣屽拰鍔熻兘鍗€(q奴)瓒呮(bi膩o)鍘熷洜;鈶㈣⿻(p铆ng)鍍�(ji脿)寤犲崁(q奴)绺藉湒甯冪疆鍜屾帶鍒跺櫔鑱叉帾鏂芥柟妗堢殑鍚堢悊鎬у拰鍙鎬э紝鎻愬嚭蹇呰鐨勬浛浠ｆ柟妗�;鈶ｆ槑纰哄繀闋堝鍔犵殑鍣伈鎺у埗鎺柦鍙婂叾闄嶅櫔鏁堟灉銆�

鈶跺叕璺�銆侀惖璺伈EIA锛氶櫎涓婅堪鐨勮⿻(p铆ng)鍍�(ji脿)鍩烘湰瑕佹眰鍜屾柟娉曪紝鍏�銆侀惖璺伈EIA閭勯渶钁楅噸鍒嗘瀽銆佽(shu艒)鏄庝互涓嬪晱(w猫n)椤岋細鈶犺⿻(p铆ng)鍍�(ji脿)娌跨窔瑭�(p铆ng)鍍�(ji脿)鑼冨湇鍏�(n猫i)鍚勬晱鎰熺洰妯�(bi膩o)鎸夋(bi膩o)婧�(zh菙n)瑕佹眰闋�(y霉)娓�(c猫)鑱茬礆(j铆)鐨勯仈(d谩)妯�(bi膩o)鍙婅秴妯�(bi膩o)鐙€娉�锛屽苟鍒嗘瀽鍙楀奖闊夸汉鍙ｇ殑鍒嗗竷鎯呮硜;鈶″皪(du矛)宸ョ▼娌跨窔鍏╁伌(c猫)鐨勫煄閹�(zh猫n)瑕�(gu墨)鍔冨彈鍒板櫔鑱插奖闊跨殑鑼冨湇绻埗绛夎伈绱�(j铆)鏇茬窔锛屾槑纰哄悎鐞嗙殑鍣伈鎺у埗璺濋洟鍜岃(gu墨)鍔冨缓瑷�(sh猫)鎺у埗瑕佹眰;鈶㈢祼(ji茅)鍚堝伐绋嬮伕绶氬拰寤鸿ō(sh猫)鏂规甯冨眬锛岃⿻(p铆ng)鍍�(ji脿)鍏跺悎鐞嗘€у拰鍙鎬�锛屽繀瑕佹檪(sh铆)鎻愬嚭鐠�(hu谩n)澧冩浛浠ｆ柟妗�;鈶ｅ皪(du矛)鎻愬嚭鐨勫悇绋櫔鑱查槻娌绘帾鏂介渶閫�(j矛n)琛岀稉(j墨ng)婵�(j矛)鎶€琛�(sh霉)璜栬瓑锛屽湪澶氭柟妗堟瘮閬稿悗瑕�(gu墨)瀹氭噳(y墨ng)閲囧彇鐨勬帾鏂藉苟瑾�(shu艒)鏄庡叾闄嶅櫔鏁堟灉銆�

鈶锋(j墨)鍫�(ch菐ng)椋涙(j墨)鍣伈EIA:鈶犱緷鎿�(j霉)銆婃(j墨)鍫�(ch菐ng)鍛ㄥ湇椋涙(j墨)鍣伈鐠�(hu谩n)澧冩(bi膩o)婧�(zh菙n)銆婫B 9660—88 瑭�(p铆ng)鍍�(ji脿) WECPNL瑭�(p铆ng)鍍�(ji脿)閲�70dB銆�75dB銆�80dD銆�85dB銆�90dB绛夊€肩窔鑼冨湇鍏�(n猫i)鍚勬晱鎰熺洰妯�(bi膩o)鐨勬暩(sh霉)鐩�锛屽彈褰遍熆浜哄彛鐨勫垎甯冩儏娉�;鈶＄祼(ji茅)鍚堝伐绋嬮伕鍧€鍜屾(j墨)鍫�(ch菐ng)璺戦亾鏂规甯冨眬锛岃⿻(p铆ng)鍍�(ji脿)鍏跺悎鐞嗘€у拰鍙鎬�锛屽繀瑕佹檪(sh铆)鎻愬嚭鐠�(hu谩n)澧冩浛浠ｆ柟妗�;鈶㈠皪(du矛)瓒呴亷(gu貌)妯�(bi膩o)婧�(zh菙n)鐨勭挵(hu谩n)澧冩晱鎰熷崁(q奴)锛屾寜鐓х瓑鍊肩窔鑼冨湇鐨勪笉鍚屾彁鍑轰笉鍚岀殑闄嶅櫔鎺柦锛屽苟閫�(j矛n)琛岀稉(j墨ng)婵�(j矛)鎶€琛�(sh霉)璜栬瓑銆�

(涓�)浜嗚В鎴跺鑱插偝鎾櫎骞句綍鐧�(f膩)鏁ｈ“娓涘鐨勫叾浠栬“娓涜▓(j矛)绠�

1.绌烘埃鍚告敹寮曡捣鐨勮“娓�(Aatm) 瑷�(j矛)绠楋細Aatm=α(r-r0)/1000 (8-18)

寮忎腑锛�α鐐烘韩搴︺€佹繒搴﹀拰鑱叉尝闋荤巼鐨勫嚱鏁�(sh霉)锛岄爯(y霉)娓�(c猫)瑷�(j矛)绠椾腑涓€鑸牴鎿�(j霉)CP鎵€铏曞崁(q奴)鍩熷父骞村钩鍧囨埃婧拰婵曞害閬告搰鐩告噳(y墨ng)鐨勭┖姘ｅ惛鏀惰“娓涚郴鏁�(sh霉)锛宒B/km銆�

2.鍦伴潰鏁堟噳(y墨ng)琛版笡(Agr)銆傚湴闈㈤鍨嬶細a)鍫�(ji膩n)瀵�(sh铆)鍦伴潰鍖呮嫭閶瓚閬�(gu貌)鐨勮矾闈�銆佹按闈�銆佸啺闈互鍙婂く瀵�(sh铆)鍦伴潰銆俠)鐤忔澗鍦伴潰鍖呮嫭琚崏鎴栧叾浠栨鐗╄钃嬬殑鍦伴潰锛屼互鍙婅静(n贸ng)鐢扮瓑閬╁悎浜庢鐗╃敓闀�(zh菐ng)鐨勫湴闈�銆俢)娣峰悎鍦伴潰鐢卞爡(ji膩n)瀵�(sh铆)鍦伴潰鍜岀枏鏉惧湴闈㈢祫鎴�銆傝伈娉㈣秺閬�(gu貌)涓嶅悓鍦伴潰鏅�(sh铆)锛屽叾琛版笡閲忔槸涓嶄竴妯ｇ殑銆�

3.鏈夐檺闀�(zh菐ng)钖勫睆闅滃湪榛�(di菐n)鑱叉簮鑱插牬(ch菐ng)涓紩璧风殑琛版笡瑷�(j矛)绠�( Abar )

浣嶄簬鑱叉簮鍜岄爯(y霉)娓�(c猫)榛�(di菐n)涔嬮枔鐨勫(sh铆)楂旈殰绀欑墿锛屽鍦嶅⒒銆佸缓绛戠墿銆佸湡鍧℃垨鍦板」绛夎捣鑱插睆闅滀綔鐢�锛屽緸鑰屽紩璧疯伈鑳介噺鐨勮純澶ц“娓�銆傚湪EIA涓紝鍙皣鍚勭ó褰㈠紡鐨勫睆闅滅啊(ji菐n)鍖栫偤鍏锋湁涓€瀹氶珮搴︾殑钖勫睆闅�銆�

(鍏�)浜嗚В绻埗绛夎伈绱�(j铆)绶氬湒鐨勬妧琛�(sh霉)瑕佹眰

鈶� 瑷�(j矛)绠楀嚭鍚勭恫(w菐ng)鏍奸粸(di菐n)涓婄殑鍣伈绱�(j铆)(濡侺eq銆乄ECPNL)鍚�锛屽啀閲囩敤鏌愮ó鏁�(sh霉)瀛�(xu茅)鏂规硶瑷�(j矛)绠楀苟绻埗鍑虹瓑鑱茬礆(j铆)绶氥€傗懙绛夎伈绱�(j铆)绶氱殑闁撻殧鎳�(y墨ng)鈮�5dB(涓€鑸伕5 dB)銆傗憼灏�(du矛)浜嶭eq锛岀瓑鑱茬礆(j铆)绶氭渶浣庡€兼噳(y墨ng)鑸囩浉鎳�(y墨ng)鍔熻兘澶滈枔妯�(bi膩o)婧�(zh菙n)鍊间竴鑷�锛屾渶楂樺€煎彲鐐�75dB;鈶″皪(du矛)浜嶭WECPN锛屼竴鑸噳(y墨ng)鏈�70dB銆�75dB銆�80dB銆� 85dB銆�90dB鐨勭瓑鑱茬礆(j铆)绶�銆傗懚浣滅敤锛氱瓑鑱茬礆(j铆)绶氬湒鐩磋鍦拌〃鏄庝簡闋�(xi脿ng)鐩殑鍣伈绱�(j铆)鍒嗗竷锛岀偤鍒嗘瀽鍔熻兘鍗€(q奴)鍣伈瓒呮(bi膩o)鐙€娉佹彁渚涗簡鏂逛究锛屽悓鏅�(sh铆)鐐哄煄甯傝(gu墨)鍔�銆佸煄甯傜挵(hu谩n)澧冨櫔鑱茬鐞嗘彁渚涗簡渚濇摎(j霉)銆�

浠ヤ笂鍏�(n猫i)瀹规槸2020骞寸挵(hu谩n)澧冨奖闊胯⿻(p铆ng)鍍�(ji脿)甯€婂皫(d菐o)鍓囪垏妯�(bi膩o)婧�(zh菙n)銆嬪倷鑰冭硣鏂�:鑱茬挵(hu谩n)澧冨奖闊块爯(y霉)娓�(c猫)鑸囪⿻(p铆ng)鍍�(ji脿)锛屼緵澶у鍙冭€�!鐐哄公鍔╄€冪敓鍙婃檪(sh铆)鐛插彇2020骞寸挵(hu谩n)澧冨奖闊胯⿻(p铆ng)鍍�(ji脿)甯€冭│鍫�(b脿o)鍚嶆檪(sh铆)闁�锛屽彲浠ラ粸(di菐n)鎿� 鍏嶈不(f猫i)闋�(y霉)绱勭煭淇℃彁閱�

鏌ョ湅鏇村鍌欒€冨収(n猫i)瀹瑰彲榛�(di菐n)鎿婃枃绔犱笅鏂�"榛�(di菐n)鎿婂厤璨�(f猫i)涓嬭級>>鐠�(hu谩n)澧冨奖闊胯⿻(p铆ng)鍍�(ji脿)甯│椤�/璩囨枡"鏇村鍏嶈不(f猫i)鍏�(n猫i)瀹圭洝鍦ㄥ叾涓�...