📄 sxsy05_21.mht
字号:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>和</span><span
lang=3DEN-US style=3D'mso-bidi-font-size:10.5pt'><!--[if gte vml 1]><v:shap=
e id=3D"_x0000_i1051"
type=3D"#_x0000_t75" style=3D'width:12.75pt;height:18pt' o:ole=3D"">
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</v:shape><![endif]--><![if !vml]><img width=3D17 height=3D24
src=3D"sxsy05_211.files/image048.gif" v:shapes=3D"_x0000_i1051"><![endif]><=
!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
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DrawAspect=3D"Content" ObjectID=3D"_1242320252">
</o:OLEObject>
</xml><![endif]--></span><span style=3D'mso-bidi-font-size:10.5pt;font-fami=
ly:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>,</span><span
lang=3DEN-US style=3D'mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'text-indent:21.1pt;mso-char-indent-count:2.0;
vertical-align:middle'><b><span lang=3DEN-US style=3D'mso-bidi-font-size:10=
.5pt'><!--[if gte vml 1]><v:shape
id=3D"_x0000_i1052" type=3D"#_x0000_t75" style=3D'width:294pt;height:15pt'>
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</v:shape><![endif]--><![if !vml]><img width=3D392 height=3D20
src=3D"sxsy05_211.files/image050.gif" v:shapes=3D"_x0000_i1052"><![endif]><=
/span></b><span
lang=3DEN-US style=3D'mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'text-indent:21.1pt;mso-char-indent-count:2.0;
vertical-align:middle'><b><span lang=3DEN-US style=3D'mso-bidi-font-size:10=
.5pt'><!--[if gte vml 1]><v:shape
id=3D"_x0000_i1053" type=3D"#_x0000_t75" style=3D'width:294pt;height:15.75=
pt'>
<v:imagedata src=3D"sxsy05_211.files/image051.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D392 height=3D21
src=3D"sxsy05_211.files/image052.gif" v:shapes=3D"_x0000_i1053"><![endif]><=
o:p></o:p></span></b></p>
<p class=3DMsoNormal style=3D'text-indent:21.0pt;mso-char-indent-count:2.0;
vertical-align:middle'><span style=3D'mso-bidi-font-size:10.5pt;font-family=
:SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Ro=
man"'>接着,只要定义好</spa=
n><span
lang=3DEN-US style=3D'mso-bidi-font-size:10.5pt'>f[x]</span><span style=3D'=
mso-bidi-font-size:
10.5pt;font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi=
-font-family:
"Times New Roman"'>,<span class=3DGramE>就可以=
601;可以</span>根据需要计算=
出傅立叶系数了。</span><span
lang=3DEN-US style=3D'mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'text-indent:21.0pt;mso-char-indent-count:2.0;
vertical-align:middle'><span style=3D'mso-bidi-font-size:10.5pt;font-family=
:SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Ro=
man"'>例</span><span
lang=3DEN-US style=3D'mso-bidi-font-size:10.5pt'>4</span><span style=3D'mso=
-bidi-font-size:
10.5pt;font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi=
-font-family:
"Times New Roman"'>:写出函数</span><span
lang=3DEN-US style=3D'mso-bidi-font-size:10.5pt'><!--[if gte vml 1]><v:shap=
e id=3D"_x0000_i1054"
type=3D"#_x0000_t75" style=3D'width:35.25pt;height:15.75pt' o:ole=3D"">
<v:imagedata src=3D"sxsy05_211.files/image053.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D47 height=3D21
src=3D"sxsy05_211.files/image054.gif" v:shapes=3D"_x0000_i1054"><![endif]><=
!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
054"
DrawAspect=3D"Content" ObjectID=3D"_1242320253">
</o:OLEObject>
</xml><![endif]--></span><span style=3D'mso-bidi-font-size:10.5pt;font-fami=
ly:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>的傅立叶展开式ߑ=
3;的前</span><span
lang=3DEN-US style=3D'mso-bidi-font-size:10.5pt'>11</span><span style=3D'ms=
o-bidi-font-size:
10.5pt;font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi=
-font-family:
"Times New Roman"'>个系数。</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'vertical-align:middle'><span style=3D'mso-bid=
i-font-size:
10.5pt;font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi=
-font-family:
"Times New Roman"'>解:根据上面的=
程序,可以得到:</span><span
lang=3DEN-US style=3D'mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'vertical-align:middle'><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'>a[0]=3D<!--[if gte vml 1]><v:shape id=
=3D"_x0000_i1055"
type=3D"#_x0000_t75" style=3D'width:30.75pt;height:29.25pt'>
<v:imagedata src=3D"sxsy05_211.files/image055.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D41 height=3D39
src=3D"sxsy05_211.files/image056.gif" v:shapes=3D"_x0000_i1055"><![endif]><=
/span><span
style=3D'mso-bidi-font-size:10.5pt;font-family:SimSun;mso-ascii-font-family=
:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>,</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'>a[1]=3D-4</span><span style=3D'mso-bidi=
-font-size:
10.5pt;font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi=
-font-family:
"Times New Roman"'>,</span><span lang=3DEN-US style=3D'mso-bidi-font=
-size:
10.5pt'>b[1]=3D<!--[if gte vml 1]><v:shape id=3D"_x0000_i1056" type=3D"#_x0=
000_t75"
style=3D'width:78pt;height:29.25pt'>
<v:imagedata src=3D"sxsy05_211.files/image057.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D104 height=3D39
src=3D"sxsy05_211.files/image058.gif" v:shapes=3D"_x0000_i1056"><![endif]><=
/span><span
style=3D'mso-bidi-font-size:10.5pt;font-family:SimSun;mso-ascii-font-family=
:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>,</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'vertical-align:middle'><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'>a[2]=3D1</span><span style=3D'mso-bidi-=
font-size:
10.5pt;font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi=
-font-family:
"Times New Roman"'>,</span><span lang=3DEN-US style=3D'mso-bidi-font=
-size:
10.5pt'>b[2]=3D</span><span lang=3DEN-US style=3D'font-size:12.0pt'> <!--[i=
f gte vml 1]><v:shape
id=3D"_x0000_i1057" type=3D"#_x0000_t75" style=3D'width:58.5pt;height:29.2=
5pt'>
<v:imagedata src=3D"sxsy05_211.files/image059.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D78 height=3D39
src=3D"sxsy05_211.files/image060.gif" v:shapes=3D"_x0000_i1057"><![endif]><=
/span><span
style=3D'mso-bidi-font-size:10.5pt;font-family:SimSun;mso-ascii-font-family=
:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>,</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'>a[3]=3D</span><span lang=3DEN-US
style=3D'font-size:12.0pt'> <!--[if gte vml 1]><v:shape id=3D"_x0000_i1058"=
type=3D"#_x0000_t75"
style=3D'width:23.25pt;height:26.25pt'>
<v:imagedata src=3D"sxsy05_211.files/image061.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D31 height=3D35
src=3D"sxsy05_211.files/image062.gif" v:shapes=3D"_x0000_i1058"><![endif]><=
/span><span
style=3D'mso-bidi-font-size:10.5pt;font-family:SimSun;mso-ascii-font-family=
:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>,</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'>b[3]=3D</span><span lang=3DEN-US
style=3D'font-size:12.0pt'><!--[if gte vml 1]><v:shape id=3D"_x0000_i1059" =
type=3D"#_x0000_t75"
style=3D'width:87pt;height:29.25pt'>
<v:imagedata src=3D"sxsy05_211.files/image063.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D116 height=3D39
src=3D"sxsy05_211.files/image064.gif" v:shapes=3D"_x0000_i1059"><![endif]><=
/span><span
style=3D'mso-bidi-font-size:10.5pt;font-family:SimSun;mso-ascii-font-family=
:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>,</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'vertical-align:middle'><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'>a[4]=3D</span><span lang=3DEN-US
style=3D'font-size:12.0pt'><!--[if gte vml 1]><v:shape id=3D"_x0000_i1060" =
type=3D"#_x0000_t75"
style=3D'width:16.5pt;height:26.25pt'>
<v:imagedata src=3D"sxsy05_211.files/image065.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D22 height=3D35
src=3D"sxsy05_211.files/image066.gif" v:shapes=3D"_x0000_i1060"><![endif]><=
/span><span
style=3D'mso-bidi-font-size:10.5pt;font-family:SimSun;mso-ascii-font-family=
:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>,</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'>b[4]=3D</span><span lang=3DEN-US
style=3D'font-size:12.0pt'> <!--[if gte vml 1]><v:shape id=3D"_x0000_i1061"=
type=3D"#_x0000_t75"
style=3D'width:58.5pt;height:29.25pt'>
<v:imagedata src=3D"sxsy05_211.files/image067.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D78 height=3D39
src=3D"sxsy05_211.files/image068.gif" v:shapes=3D"_x0000_i1061"><![endif]><=
/span><span
style=3D'mso-bidi-font-size:10.5pt;font-family:SimSun;mso-ascii-font-family=
:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>,</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'>a[5]=3D</span><span lang=3DEN-US
style=3D'font-size:12.0pt'><!--[if gte vml 1]><v:shape id=3D"_x0000_i1062" =
type=3D"#_x0000_t75"
style=3D'width:29.25pt;height:26.25pt'>
<v:imagedata src=3D"sxsy05_211.files/image069.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D39 height=3D35
src=3D"sxsy05_211.files/image070.gif" v:shapes=3D"_x0000_i1062"><![endif]><=
/span><span
style=3D'mso-bidi-font-size:10.5pt;font-family:SimSun;mso-ascii-font-family=
:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>,</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'>b[5]=3D</span><span lang=3DEN-US
style=3D'font-size:12.0pt'> <!--[if gte vml 1]><v:shape id=3D"_x0000_i1063"=
type=3D"#_x0000_t75"
style=3D'width:93pt;height:29.25pt'>
<v:imagedata src=3D"sxsy05_211.files/image071.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D124 height=3D39
src=3D"sxsy05_211.files/image072.gif" v:shapes=3D"_x0000_i1063"><![endif]><=
/span><span
style=3D'mso-bidi-font-size:10.5pt;font-family:SimSun;mso-ascii-font-family=
:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>。</span><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'><o:p></o:p></span></p>
<p class=3DMsoNormal style=3D'vertical-align:middle'><span lang=3DEN-US
style=3D'mso-bidi-font-size:10.5pt'><o:p> </o:p></span></p>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;vertical-align:m=
iddle'><b
style=3D'mso-bidi-font-weight:normal'><span style=3D'font-size:12.0pt;font-=
family:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>三、实验内容</span></b><b
style=3D'mso-bidi-font-weight:normal'><span lang=3DEN-US style=3D'font-size=
:12.0pt'><o:p></o:p></span></b></p>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;vertical-align:m=
iddle'><span
lang=3DEN-US>1</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>.将函数</=
span><span
lang=3DEN-US><!--[if gte vml 1]><v:shape id=3D"_x0000_i1064" type=3D"#_x000=
0_t75"
style=3D'width:87pt;height:18pt' o:ole=3D"">
<v:imagedata src=3D"sxsy05_211.files/image073.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D116 height=3D24
src=3D"sxsy05_211.files/image074.gif" v:shapes=3D"_x0000_i1064"><![endif]><=
!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
064"
DrawAspect=3D"Content" ObjectID=3D"_1242320254">
</o:OLEObject>
</xml><![endif]--></span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>在</span><=
span
lang=3DEN-US><!--[if gte vml 1]><v:shape id=3D"_x0000_i1065" type=3D"#_x000=
0_t75"
style=3D'width:27.75pt;height:14.25pt' o:ole=3D"">
<v:imagedata src=3D"sxsy05_211.files/image075.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D37 height=3D19
src=3D"sxsy05_211.files/image076.gif" v:shapes=3D"_x0000_i1065"><![endif]><=
!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
065"
DrawAspect=3D"Content" ObjectID=3D"_1242320255">
</o:OLEObject>
</xml><![endif]--></span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>处展=
开为幂级数(至</span><span
lang=3DEN-US>5</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>阶)。</span></p>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;vertical-align:m=
iddle'><span
lang=3DEN-US>2</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>.将函数</=
span><span
lang=3DEN-US><!--[if gte vml 1]><v:shape id=3D"_x0000_i1066" type=3D"#_x000=
0_t75"
style=3D'width:48.75pt;height:18pt' o:ole=3D"">
<v:imagedata src=3D"sxsy05_211.files/image077.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D65 height=3D24
src=3D"sxsy05_211.files/image078.gif" v:shapes=3D"_x0000_i1066"><![endif]><=
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