数字切比雪夫滤波器MATLAB代码急求用Matlab设计切比雪夫滤波器是很简单的，比如设计I型的N = 8%阶数wp=0.2%归一化截止频率Rp= 1%通带波纹[b a]=cheby1(N,Rp,wp,low)%设计低通滤波器freqz(b,a)%频率响应曲线用matlab设计6点滑动平均滤波器的代码<br><!--<br>var flag=false<br>function DrawImage(ImgD){<br> var image=new Image()<br> image.src=ImgD.src<br> if(image.width>0 && image.height>0){<br> flag=true<br> if(image.width/image.height>= 200/177){<br> if(image.width>200){<br> ImgD.width=200<br> ImgD.height=(image.height*200)/image.width<br> }else{<br> ImgD.width=image.width<br> ImgD.height=image.height<br> }<br> ImgD.alt=点击查看详细信息...<br> }<br> else{<br> if(image.height>177){<br> ImgD.height=177<br> ImgD.width=(image.width*177)/image.height<br> }else{<br> ImgD.width=image.width<br> ImgD.height=image.height<br> }<br> ImgD.alt=点击查看详细信息...<br> }<br> }<br>}<br>//--><br><br><%<br>Const New_img=10 <br>set rs_Product=server.createobject(adodb.recordset)<br>sqltext=select top 8 * from products where tuijian<>1 order by id desc<br>rs_Product.open sqltext,conn,1,if not rs_Product.EOF then%><br><div align=center id=demo style=overflow:hiddenheight:139pxwidth:690px><br> <!--滚动区的高度和宽度--><br> <table border=0 align=center cellpadding=0 cellspacing=3 cellspace=0><br> <tr><br> <td id=demo1 valign=top><table width=100% cellpadding=0 cellspacing=0 border=0 align=center><br> <tr valign=top><br> <%<br> while not rs_Product.EOF<br><br> %><br> <td align=center><table width=60% border=0 align=center cellpadding=0 cellspacing=2><br> <tr><br> <td width=105 height=85 align=center><table width=66% border=0 cellpadding=0 cellspacing=1 bgcolor=#CCCCCC><br> <tr><br> <td><a href=ShowProducts.asp?id=<%=rs_news(ID)%><br>target=_blank title=<%=rs_news(title)%>><img border=0 alt=<%=rs_news(title)%> src=<%=rs_news(img)%><br> /></a><a href=ProductShow.asp?ProductID=<%=rs_Product(ProductID)%> target=_blank ></a><a href=ProductShow.asp?ProductID=<%=rs_Product(ProductID)%> target=_blank ></a></td><br> </tr><br> <tr><br> <td align=center valign=middle><%=rs_Product(Productname)%></td><br> </tr><br> </table></td><br> </tr><br> </table></td><br> <%<br> rs_Product.MoveNext<br> wend<br> %><br> </tr><br> </table></td><br> <td id=demo2 valign=top></td><br> </tr><br> </table><br></div><br><%if New_img >5 then%><br><br>var Picspeed=40<br>demo2.innerHTML=demo1.innerHTML<br>function Marquee1(){<br>if(demo2.offsetWidth-demo.scrollLeft<=0)<br>demo.scrollLeft-=demo1.offsetWidth<br>else{<br>demo.scrollLeft <br>}<br>}<br>var MyMar1=setInterval(Marquee1,Picspeed)<br>demo.onmouseover=function() {clearInterval(MyMar1)}<br>demo.onmouseout=function() {MyMar1=setInterval(Marquee1,Picspeed)}<br><br> <%end if<br>else<br> Response.Write 暂 无 最 新 图 文<br>end if<br>rs_Product.close<br>set rs_Product=nothing<br>%><br><!--最新图文代码结束--></p>
