閫変慨
3-4
鍐呭
瑕?/p>
姹?/p>
璇存槑
80
銆佺畝
璋愯繍鍔?/p>
绠�璋愯繍
鍔ㄧ殑琛?/p>
杈惧紡鍜?/p>
鍥捐薄
鈪?/p>
1
锛庡鏋滆川鐐规墍鍙楃殑鍔涗笌瀹冨亸绂诲钩琛′綅缃綅绉荤殑澶у皬鎴愭姣旓紝骞朵笖鎬绘槸鎸?
鍚戝钩琛′綅缃紝璐ㄧ偣鐨勮繍鍔ㄥ氨鏄畝璋愯繍鍔紱
鍗?/p>
F
=
鈥?/p>
kx
锛堣鏈?/p>
P12
锛氶棶棰?/p>
2
銆?/p>
3
銆?/p>
4
棰橈級
2.
绠�璋愯繍鍔ㄧ殑琛ㄨ揪寮?/p>
鈥?/p>
x
=
A
sin (
蠅
t
锛?/p>
蠁
)鈥濊鏈?/p>
P
10
鍥?/p>
11.2-5
3
锛庣畝璋愯繍鍔ㄧ殑鍥捐薄锛氭弿杩版尟瀛愮寮�骞宠 浣嶇疆鐨勪綅绉婚殢鏃堕棿閬典粠姝ｅ鸡鍑芥暟
鐨勮寰嬪彉鍖栫殑锛岃姹傝兘灏嗗浘璞′笌鎭板綋鐨勬ā鍨嬪搴斿垎鏋愩�傛敞鎰忛�熷害鐨勬柟鍚戠殑
鍒ゅ埆鏂规硶鏄細
锛屾敞鎰忓湪鎸箙澶勯�熷害鏃犳柟鍚戙�?/p>
81
銆佸崟
鎽嗙殑鍛?
鏈熶笌鎽?
闀跨殑鍏?/p>
绯伙紙瀹?/p>
楠屻�佹帰
绌讹級
鈪?/p>
1
锛庡崟鎽嗙殑绛夋椂鎬э紙浼藉埄鐣ワ級
锛涘嵆鍛ㄦ湡涓庢憜鐞冭川閲忔棤鍏筹紝鍦ㄦ尟骞呰緝灏忔椂涓庢尟
骞呮棤鍏?/p>
2
锛庡崟鎽嗙殑鍛ㄦ湡鍏紡锛堟儬鏇存柉锛?/p>
g
l
T
飦?/p>
2
飥?/p>
锛?/p>
l
涓烘憜绾块暱搴︿笌鎽嗙悆鍗婂緞涔嬪拰锛?/p>
鍛ㄦ湡娴嬮噺锛氭祴
N
娆″叏鎸姩鎵�鐢ㄦ椂闂?/p>
t
锛屽垯
T=t/N
锛?/p>
3
锛庢暟鎹鐞嗭細
锛?/p>
1
锛夊钩鍧囧�兼硶锛?/p>
锛?/p>
2
锛夊浘璞℃硶锛氫互
l
鍜?/p>
T
2
涓虹旱妯潗鏍囷紝浣滃嚭
2
2
4
T
g
l
飦?
飥?/p>
鐨勫浘璞★紙鍙橀潪绾挎�у叧绯讳负绾挎�у叧绯伙級
锛?/p>
82
銆佸彈
杩尟鍔?/p>
鍜屽叡鎸?/p>
鈪?/p>
鍙楄揩鎸姩锛氬湪鍛ㄦ湡鎬у鍔涗綔鐢ㄤ笅銆佷娇鎸箙淇濇寔涓嶅彉鐨勬尟鍔紝鍙堝彨鏃犻樆灏兼尟
鍔ㄦ垨绛夊箙鎸姩銆?/p>
f
杩?/p>
= f
绛?/p>
锛屼笌
f
鍥?/p>
鏃犲叧銆?/p>
A
杩?/p>
涓庘垼f
绛?/p>
- f
鍥?/p>
鈭ｆ湁鍏筹紝鈭
绛?/p>
- f
鍥?/p>
鈭ｈ秺澶э紝
A
杩?/p>
瓒婂皬锛屸垼f
绛?/p>
- f
鍥?/p>
鈭ｈ秺灏忥紝
A
杩?/p>
瓒婂ぇ銆?/p>
璇炬湰
P19
鍥?/p>
11.5-4 P19-20
绉戝婕
83
銆佹満
姊版尝
妯尝鍜?/p>
绾垫尝
妯尝鐨?/p>
鍥捐薄
鈪?/p>
1
锛庢尝鍙互浼犳挱鑳介噺锛屼篃鍙互浼犳挱淇℃伅
,(
鎸姩褰㈠紡鐨勪紶鎾?/p>
)
2
锛庢í娉㈠浘璞★細琛ㄧず鏌愪竴鏃跺埢鍚勪釜璐ㄧ偣绂诲紑骞宠 浣嶇疆浣嶇Щ鎯呭喌銆傚悗涓�璐ㄧ偣
鐨勬尟鍔ㄦ�绘槸閲嶅鍓嶄竴璐ㄧ偣鐨勬尟鍔紱
鐗瑰埆瑕佽兘鍒ゆ柇璐ㄧ偣鎸姩鏂瑰悜鎴栨尝鐨勪紶鎾?/p>
鏂瑰悜銆?/p>
娉ㄦ剰锛?/p>
锛?/p>
1
锛夊懆鏈熸�с�佹柟鍚戞�т笂寮曡捣鐨勫瑙ｅ彲鑳芥�э紱
锛?/p>
2
锛夋尝浼犳挱鐨勮窛绂讳笌璐ㄧ偣鐨勮矾绋嬫槸涓嶅悓鐨勩�?/p>
3
锛庢尝鍔ㄥ浘璞¤〃绀?/p>
鈥滃悇涓川鐐光�濆湪鈥滄煇涓�鏃跺埢鈥濈殑浣嶇Щ锛屾尟鍔ㄥ浘璞″垯琛ㄧず
浠嬭川涓�滄煇涓川鐐光�濆湪鈥滃悇涓椂鍒烩�濈殑浣嶇Щ銆?/p>
84
銆佹尝
闀裤�侀
鐜囷紙鍛?
鏈燂級鍜?/p>
娉㈤�熺殑
鍏崇郴
鈪?/p>
f
飦?
飦?/p>
飥?/p>
锛?/p>
飦?/p>
鐢变粙璐ㄥ喅瀹氾紝
f
鐢辨尝婧愬喅瀹氾級
璇炬湰
P
30
渚?/p>
2
85
銆佹尝
鐨勫弽灏?
鍜屾姌灏?/p>
娉㈢殑琛?
灏勫拰骞?
娑?/p>
鈪?/p>
1
锛庢尝闈紙娉㈤樀闈級
锛氭尟鍔ㄧ姸鎬佹�绘槸鐩稿悓鐨勭偣鐨勯泦鍚堬紱娉㈢嚎锛氫笌娉㈤潰鍨傜洿鐨?/p>
閭ｄ簺绾裤�?/p>
2
锛庢儬鏇存柉鍘熺悊锛氫粙璐ㄤ腑浠讳竴娉㈤潰涓婄殑鍚勭偣锛岄兘鍙互鐪嬪仛鍙戝皠瀛愭尝鐨勬尝婧愶紝
鍏跺悗浠绘剰鏃跺埢锛岃繖浜涘瓙娉㈢殑鍖呰抗灏辨槸鏂扮殑娉㈤潰锛?/p>
3
锛?/p>
锛?/p>
1
锛変簰涓嶅共鎵板師鐞嗭紱
锛?/p>
2
锛夊彔鍔犲師鐞嗐�傚弽灏勩�佹姌灏勩�佸共娑夛細
螖
x
=
k
位
澶勶紝鎸姩鍔犲己锛?/p>
螖
x
=
锛?/p>
2k
+ 1
锛?/p>
位
/
2
澶勶紝鎸姩鍑忓急銆?/p>
锛?/p>
3
锛夎灏勶紙浜х敓鏄庢樉琛嶅皠鐜拌薄鐨勬潯浠讹級
4
锛庢尝鐨勫共娑夛細
锛?/p>
1
锛夐鐜囩浉鍚岋紙
2
锛夌幇璞★細鍔犲己鍖轰笌鍑忓急鍖虹浉浜掗棿闅旓紙鍔犲己