.
.
瀹為獙涓�
甯歌绂绘暎淇″彿鐨?/p>
MATLAB
浜х敓鍜屽浘褰㈡樉绀?/p>
鎺堣璇炬椂锛?/p>
2
瀛︽椂
涓�銆佸疄楠岀洰鐨勶細
锛?/p>
1
锛夌啛鎮?/p>
MATLAB
搴旂敤鐜锛屽父鐢ㄧ獥鍙ｇ殑鍔熻兘鍜屼娇鐢ㄦ柟娉曘�?/p>
锛?/p>
2
锛夋帉鎻?/p>
MATLAB
鍦ㄦ椂鍩熷唴浜х敓甯哥敤绂绘暎鏃堕棿淇″彿鐨勬柟娉曘�?/p>
锛?/p>
3
锛夋帉鎻＄鏁ｄ俊鍙风殑鍩烘湰杩愮畻銆?/p>
锛?/p>
4
锛夋帉鎻＄畝鍗曠殑缁樺浘鍛戒护銆?/p>
浜屻�佸疄楠屽師鐞嗭細
锛堜竴锛変俊鍙风殑琛ㄧず鍜屼骇鐢?/p>
鈶?/p>
鍗曚綅鎶芥牱搴忓垪
飪?
飪?/p>
飪?/p>
飥?/p>
0
1
)
(
n
飦?/p>
0
0
飩?/p>
飥?/p>
n
n
濡傛灉
)
(
n
飦?/p>
鍦ㄦ椂闂磋酱涓婂欢杩熶簡
k
涓崟浣嶏紝寰楀埌
)
(
k
n
飥?/p>
飦?/p>
鍗筹細
飪?/p>
飪?/p>
飪?/p>
飥?/p>
飥?/p>
0
1
)
(
k
n
飦?/p>
0
飩?/p>
飥?/p>
n
k
n
鍙傝�冪▼搴忥細
渚?/p>
1-1
锛?/p>
)
20
10
(
(
)
(
飥?/p>
飥?/p>
飥?/p>
飥?/p>
n
n
n
x
锛?/p>
飦?/p>
clear
all
n1=-10;n2=20;n0=0;
%
鍦ㄨ捣鐐逛负
n1,
缁堢偣涓?/p>
n2
鐨勮寖鍥村唴锛屼簬
n0
澶勪骇鐢熷啿婵�銆?/p>
n=n1:n2;
%
鐢熸垚绂绘暎淇″彿鐨勬椂闂村簭鍒?/p>
x=[n==n0];
%
鐢熸垚绂绘暎淇″彿
x(n)
stem(n,x);
%
缁樺埗鑴夊啿鏉嗗浘