📄 uf_fltplot.m
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function [figNum,ValCmp,TagCmp] = uf_fltplot(fType,fStruct,fOrder,fParas,fTitle);
fType = lower(fType);
fStruct = lower(fStruct);
% 初始化
if strcmp(fType,'lowpass'), % 低通
load uf_fltplot_ht1;
load uf_fltplot_lp;
if strcmp(fStruct,'t'), % Ｔ 型
ls_cmp = 'L C ';
li_pos = [91 20; 0 0; 113 59; 0 0];
else, % Π 型
la_tmp = cmp2;
cmp2 = cmp1;
cmp1 = la_tmp;
ls_cmp = 'C L ';
li_pos = [61 59; 0 0; 120 20; 0 0];
end;
elseif strcmp(fType,'highpass'),
load uf_fltplot_ht1;
load uf_fltplot_hp;
if strcmp(fStruct,'t'), % Ｔ 型
ls_cmp = 'C L ';
li_pos = [83 16; 0 0; 106 60; 0 0];
else, % Π 型
la_tmp = cmp2;
cmp2 = cmp1;
cmp1 = la_tmp;
ls_cmp = 'L C ';
li_pos = [71 60; 0 0; 118 16; 0 0];
end;
elseif strcmp(fType,'bandpass'),
load uf_fltplot_ht2;
load uf_fltplot_bp;
ls_cmp = 'CLCL';
if strcmp(fStruct,'t'), % Ｔ 型
li_pos = [75 16; 110 20; 128 74; 188 74];
else, % Π 型
la_tmp = cmp2;
cmp2 = cmp1;
cmp1 = la_tmp;
li_pos = [65 74; 125 74; 124 16; 159 20];
end;
elseif strcmp(fType,'bandstop'),
load uf_fltplot_ht2;
load uf_fltplot_bs;
ls_cmp = 'CLCL';
if strcmp(fStruct,'t'), % Ｔ 型
li_pos = [103 63; 103 7; 130 56; 139 86];
else, % Π 型
la_tmp = cmp2;
cmp2 = cmp1;
cmp1 = la_tmp;
li_pos = [65 56; 75 86; 130 63; 130 7];
end;
end;
% 拼装电路图
fCircuit = fhead;
for m = 1 : fOrder,
if mod(m,2),
fCircuit = [fCircuit cmp1];
else,
fCircuit = [fCircuit cmp2];
end;
end;
fCircuit = [fCircuit ftail];
% 绘出电路图
figNum = uf_fltcwin;
CHandle = get(figNum,'UserData');
[fHeight fWidth] = size(fCircuit); % 最大高度、宽度 125、635
Wwid = 480;
Fwid = 450;
if fWidth <= 440,
li_addw = 0;
else,
li_addw = fWidth - 440;
end;
rootUnits=get(0,'Units');
set(0,'Units','pixels');
rootScreen=get(0,'ScreenSize');
lpos = get(figNum,'Position');
lpos(3) = Wwid + li_addw;
if lpos(1) + lpos(3) > rootScreen(3),
lpos(1) = rootScreen(3)-lpos(3)-3;
end;
set(figNum,'Position',lpos);
lpos = get(CHandle(2),'Position');
lpos(3) = Fwid + li_addw;
set(CHandle(2),'Position',lpos);
set(0,'Units',rootUnits);
l_left = ceil(lpos(1) + (lpos(3) - fWidth)/2);
l_bttm = floor(195 + (150 - fHeight)/2);
axes(CHandle(7));
set(CHandle(7),'Position',[l_left l_bttm fWidth fHeight]);
image(fCircuit);
colormap(map);
% 电路元件标记
li_spc = size(cmp1,2) + size(cmp2,2);
li_cnt = 0;
for m = 1 : 2 : fOrder,
for n = 1 : 4,
designator = 0;
if li_pos(n,1),
if n <= 2,
li_cnt = li_cnt + 1;
TagCmp(li_cnt,:) = [ls_cmp(n) num2str(m)];
designator = 1;
else,
if m < fOrder,
li_cnt = li_cnt + 1;
TagCmp(li_cnt,:) = [ls_cmp(n) num2str(m+1)];
designator = 1;
end;
end;
end;
if designator,
h_cmp(li_cnt) = text('Units','data', ...
'Position',[li_pos(n,1)+li_spc*((m-1)/2) li_pos(n,2)], ...
'String',TagCmp(li_cnt,:), ...
'FontSize',9, ...
'HorizontalAlignment','center', ...
'VerticalAlignment','middle');
end;
end;
end;
% 计算实际电路元件值
if nargin >= 4 & ~isempty(fParas),
% 显示已知的各个条件
ls_conditions = str2mat( ...
'1.参考频率', ...
[' Fc = ' num2str(fParas(1)) 'Hz'] );
if fParas(5) ~= 0,
alpha = fParas(5)/fParas(1);
ls_conditions = str2mat( ls_conditions, ...
[' α = B/fo = ' num2str(alpha)] );
end;
ls_conditions = str2mat( ls_conditions, ...
'2.电感转换系数', ...
[' Kl = ' num2str(fParas(2))], ...
'3.电容转换系数', ...
[' Kc = ' num2str(fParas(3))], ...
'4.参考电阻值', ...
[' Rs = ' num2str(fParas(4)) 'Ω'] );
if fParas(6) ~= 1,
ls_conditions = str2mat( ls_conditions, ...
'5.负载电阻值', ...
[' Rl = ' num2str(fParas(4)*fParas(6)) 'Ω'] );
ls_xh = '6.归一化元件值';
else,
ls_xh = '5.归一化元件值';
end;
if fStruct(1) == 't',
ls_lab = 'lcHF';
else,
ls_lab = 'clFH';
end;
for n = 1 : 2 : fOrder,
ls_cmpnorm(n,:) = [' ' ls_lab(1) int2str(n) ''' = '];
ls_unit(n,:) = ls_lab(3);
if n < fOrder,
ls_cmpnorm(n+1,:) = [' ' ls_lab(2) int2str(n+1) ''' = '];
ls_unit(n+1,:) = ls_lab(4);
end;
end;
ls_cmpnorm = [ls_cmpnorm num2str(fParas(7:6+fOrder)) ls_unit];
ls_conditions = str2mat( ls_conditions, ...
ls_xh, ...
ls_cmpnorm );
% 计算电路元件值
CNum = size(TagCmp,1);
ValCmp = zeros(CNum,1);
for n = 1 : fOrder,
if strcmp(fType,'lowpass'), % 低通
if ls_cmpnorm(n,3) == 'c', % 归一化元件为电容
ValCmp(n) = fParas(3) * fParas(6+n); % -- C
ls_unit(n,:) = 'F';
else, % 归一化元件为电感
ValCmp(n) = fParas(2) * fParas(6+n); % -- L
ls_unit(n,:) = 'H';
end;
elseif strcmp(fType,'highpass'),
if ls_cmpnorm(n,3) == 'c', % 归一化元件为电容
ValCmp(n) = fParas(2) * (1/fParas(6+n)); % -- L
ls_unit(n,:) = 'H';
else, % 归一化元件为电感
ValCmp(n) = fParas(3) * (1/fParas(6+n)); % -- C
ls_unit(n,:) = 'F';
end;
elseif strcmp(fType,'bandpass'),
ls_unit([2*n-1 2*n],:) = ['F';'H'];
if ls_cmpnorm(n,3) == 'c', % 归一化元件为电容
ValCmp(2*n-1) = fParas(3) * (fParas(6+n)/alpha); % -- C
ValCmp(2*n) = fParas(2) * (alpha/fParas(6+n)); % -- L
else, % 归一化元件为电感
ValCmp(2*n-1) = fParas(3) * (alpha/fParas(6+n)); % -- C
ValCmp(2*n) = fParas(2) * (fParas(6+n)/alpha); % -- L
end;
elseif strcmp(fType,'bandstop'),
ls_unit([2*n-1 2*n],:) = ['F';'H'];
if ls_cmpnorm(n,3) == 'c', % 归一化元件为电容
ValCmp(2*n-1) = fParas(3) * (fParas(6+n)*alpha); % -- C
ValCmp(2*n) = fParas(2) * 1/(fParas(6+n)*alpha);% -- L
else, % 归一化元件为电感
ValCmp(2*n-1) = fParas(3) * 1/(fParas(6+n)*alpha);% -- C
ValCmp(2*n) = fParas(2) * (fParas(6+n)*alpha); % -- L
end;
end;
end;
for n = 1 : CNum,
ls_results(n,:) = ' = ';
end;
ls_results = [TagCmp ls_results num2str(ValCmp) ls_unit];
set(CHandle(4),'String',ls_conditions);
set(CHandle(6),'String',ls_results);
end;
% 显示各项数据参数
set(CHandle(7),'Visible','off', ...
'Box','on');
if nargin == 5 & ~isempty(fTitle),
set(CHandle(1),'String',fTitle);
end;
% ==============================
% 内部函数 - 显示实际电路图窗口
% ==============================
function fig = uf_fltcwin();
figName = '滤波器电路设计之二';
[existFlag,figHandle] = figflag(figName);
if ~existFlag,
bgcolor = [0.753 0.753 0.753];
rootUnits=get(0,'Units');
set(0,'Units','pixels');
rootScreen=get(0,'ScreenSize');
l_left=floor((rootScreen(3)-480)/2);
l_bttm=floor((rootScreen(4)-400)/2);
% 主窗口
figHandle = figure('Color',[0.8 0.8 0.8], ...
'MenuBar','none', ...
'Name',figName, ...
'NumberTitle','off', ...
'Units','pixels', ...
'Position',[l_left l_bttm 480 400], ...
'Resize','off', ...
'Tag','Analog_Filter_Circuit');
set(0,'Units',rootUnits);
CHandle(1) = uicontrol('Parent',figHandle, ...
'Style','text', ...
'BackgroundColor',bgcolor, ...
'FontName','楷体_GB2312', ...
'FontSize',12, ...
'ForegroundColor',[0 0 0.627450980392157], ...
'Units','pixels', ...
'Position',[15 360 450 25], ...
'String','滤波器电路', ...
'Tag','AFC2_Title');
%CHandle(2) = uicontrol('Parent',figHandle, ...
% 'Style','frame', ...
% 'BackgroundColor',bgcolor, ...
% 'Units','pixels', ...
% 'Position',[15 195 450 150], ...
% 'Tag','AFC2_Frame','Visible','on');
CHandle(2) = axes('Parent',figHandle, ...
'Units','pixels', ...
'Box','on', ...
'Color',bgcolor, ...
'Position',[15 195 450 150], ...
'XTick',[ ],'YTick',[ ], ...
'Tag','AFC2_Frame');
CHandle(3) = uicontrol('Parent',figHandle, ...
'Style','text', ...
'BackgroundColor',bgcolor, ...
'FontName','宋体', ...
'FontSize',10, ...
'HorizontalAlignment','left', ...
'Units','pixels', ...
'Position',[15 165 215 20], ...
'String','已知滤波器设计参数：', ...
'Tag','AFC2_STCond');
CHandle(4) = uicontrol('Parent',figHandle, ...
'Style','listbox', ...
'BackgroundColor',[1 1 1], ...
'FontName','Fixedsys', ...
'FontSize',9, ...
'HorizontalAlignment','left', ...
'Units','pixels', ...
'Position',[15 15 215 145], ...
'String','1|2|3|4', ...
'Tag','AFC2_LBCond', ...
'Value',1);
CHandle(5) = uicontrol('Parent',figHandle, ...
'Style','text', ...
'BackgroundColor',bgcolor, ...
'FontName','宋体', ...
'FontSize',10, ...
'HorizontalAlignment','left', ...
'Units','pixels', ...
'Position',[250 165 215 20], ...
'String','滤波器元件值列表：', ...
'Tag','AFC2_STReslt');
CHandle(6) = uicontrol('Parent',figHandle, ...
'Style','listbox', ...
'BackgroundColor',[1 1 1], ...
'FontName','Fixedsys', ...
'FontSize',9, ...
'HorizontalAlignment','left', ...
'Units','pixels', ...
'Position',[250 15 215 145], ...
'String','1|2|3|4', ...
'Tag','AFC2_LBReslt', ...
'Value',1);
CHandle(7) = axes('Parent',figHandle, ...
'Units','pixels', ...
'Box','on', ...
'Position',[71 234 314 74], ...
'Tag','AFC2_Axes');
set(figHandle,'UserData',CHandle);
end;
if nargout > 0, fig = figHandle; end;
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