fvhelpstr.m

matlabDigitalSigalProcess内有文件若干

'information about the frequency response.'
};

case 'ruler1line'
str{1,1} = 'RULER 1';
str{1,2} = {
' '
'You have clicked on Ruler 1.  Drag this indicator with the mouse to measure'
'features of your selected data.  The value of the ruler is shown textually'
'in the Ruler area on the right side of the Filter Viewer window.'
};

case 'ruler2line'
str{1,1} = 'RULER 2';
str{1,2} = {
' '
'You have clicked on Ruler 2.  Drag this indicator with the mouse to measure'
'features of your selected data.  The value of the ruler is shown textually'
'in the Ruler area on the right side of the Filter Viewer window.'
};

case 'slopeline'
str{1,1} = 'SLOPE';
str{1,2} = {
' '
'You have clicked on the Slope Line of the Rulers.  This line goes through'
'the points (x1,y1) and (x2,y2) defined by Ruler 1 and Ruler 2 respectively.'
'Its slope is labeled as ''m''.  As you drag either Ruler 1 or Ruler 2 left'
'and right, the Slope Line is updated.'
};

case 'peakline'
str{1,1} = 'PEAK';
str{1,2} = {
' '
'You have clicked on a peak of the currently selected filter.  To measure'
'this peak, move one of the rulers on top of it in "track" mode.'
};

case 'valleyline'
str{1,1} = 'VALLEY';
str{1,2} = {
' '
'You have clicked on a peak of the currently selected filter. To measure'
'this valley, move one of the rulers on top of it in "track" mode.'
};

case 'ruler1button'
str{1,1} = 'FIND RULER 1';
str{1,2} = {
' '
'Click on this button to bring Ruler 1 to the center of the main axes.  This'
'button is only visible when Ruler 1 is "off the screen", that is, when'
'Ruler 1 is not visible in the main axes.'
};

case 'ruler2button'
str{1,1} = 'FIND RULER 2';
str{1,2} = {
' '
'Click on this button to bring Ruler 2 to the center of the main axes.  This'
'button is only visible when Ruler 2 is "off the screen", that is, when'
'Ruler 2 is not visible in the main axes.'
};

case {'ruleraxes','rulerlabel','rulerframe'}
str{1,1} = 'RULERS';
str{1,2} = {
' '
'This area of the Filter Viewer allows you to read and control the values of'
'the rulers in the main axes.  Use the rulers to make measurements on'
'filters, such as distances between features, heights of peaks, and slope'
'information.'
};

case 'ruler:vertical'
str{1,1} = 'VERTICAL';
str{1,2} = {
' '
'Click this button to change the Rulers to Vertical mode.  In Vertical mode,'
'you can change the rulers'' x-values (i.e., horizontal position) by either'
'  - dragging them left and right with the mouse, or'
'  - entering their values in the x1 and x2 edit boxes.'
' '
'The difference x2-x1 is displayed as dx.'
};

case 'ruler:horizontal'
str{1,1} = 'HORIZONTAL';
str{1,2} = {
' '
'Click this button to change the Rulers to Horizontal mode.  In Horizontal'
'mode, you can change the rulers'' y-values (i.e., vertical position) by'
'either'
'  - dragging them up and down with the mouse, or'
'  - entering their values in the y1 and y2 edit boxes.'
' '
'The difference y2-y1 is displayed as dy.'
};

case 'ruler:track'
str{1,1} = 'TRACK';
str{1,2} = {
' '
'Click this button to change the Rulers to Track mode.  This mode is just'
'like Vertical mode, in which you can change the rulers'' x-values (i.e.,'
'horizontal position) by either'
'  - dragging them left and right with the mouse, or'
'  - entering their values in the y1 and y2 edit boxes.'
' '
'In Track mode, the Rulers also "track" a filter''s response, so that you can'
'see the y-values of the filter''s response at the x-values of the Rulers.'
'The value dy is equal to y2-y1.  You can change which filter is tracked by'
'clicking on a filter in the main axes, or by setting the "Selection" on the'
'upper, right of the Filter Viewer.'
' '
'Track mode is not available in the pole-zero plot.'
};

case 'ruler:slope'
str{1,1} = 'SLOPE';
str{1,2} = {
' '
'Click this button to change the Rulers to Slope mode.  This mode is just'
'like Track mode, in which you can change the rulers'' x-values (i.e.,'
'horizontal position) by either'
'  - dragging them left and right with the mouse, or'
'  - entering their values in the y1 and y2 edit boxes.'
' '
'In Slope mode, the Rulers "track" a filter''s response, so that you can see'
'the y-values of the filter''s response at the x-values of the Rulers.  The'
'value dy is equal to y2-y1.  The line connecting (x1,y1) and (x2,y2) is'
'included in the main plot, so you can approximate derivatives and slopes of'
'the filter''s response.  The value ''m'' is equal to dy/dx.'
' '
'You can change which filter is tracked by clicking on a filter response in'
'any axes, or by setting the "Selection" in the upper right corner of the'
'Filter Viewer.'
' '
'Slope mode is not available in the pole-zero plot.'
};

case 'x1label'
str{1,1} = 'X1';
str{1,2} = {
' '
'This is the X value of Ruler 1.  Change this value by dragging Ruler 1 back'
'and forth with the mouse, or clicking in the box labeled x1 and typing in a'
'number.'
};

case 'rulerbox1'
str{1,1} = 'RULER 1';
str{1,2} = {
' '
'For Vertical, Track and Slope modes:'
'  Change the value in this box to set the x-location of Ruler 1.'
' '
'For Horizontal mode:'
'  Change the value in this box to set the y-location of Ruler 1.'
' '
'When you drag Ruler 1 with the mouse, the value in this box changes'
'correspondingly.'
};

case {'y1label','y1text'}
str{1,1} = 'Y1';
str{1,2} = {
' '
'This is the Y value of Ruler 1.  '
' '
'In Track and Slope Ruler modes, y1 is the value of the filter response axes'
'that is being tracked by Ruler 1 (designated by Selection).'
' '
'In Horizontal Ruler mode, you can enter a value in the box labeled y1 to'
'change the position of the Ruler.'
};

case 'x2label'
str{1,1} = 'X2';
str{1,2} = {
' '
'This is the X value of Ruler 2.  Change this value by dragging Ruler 2 left'
'and right with the mouse, or clicking in the box labeled x2 and typing in a'
'number.'
};

case 'rulerbox2'
str{1,1} = 'RULER 2';
str{1,2} = {
' '
'For Vertical, Track and Slope modes:'
'  Change the value in this box to set the x-location of Ruler 2.'
' '
'For Horizontal mode:'
'  Change the value in this box to set the y-location of Ruler 2.'
' '
'When you drag Ruler 2 with the mouse, the value in this box changes'
'correspondingly.'
};

case {'y2label','y2text'}
str{1,1} = 'Y2';
str{1,2} = {
' '
'This is the Y2 value of Ruler 2.  '
' '
'In Track and Slope Ruler modes, y2 is the value of the filter''s response in'
'the main axes that is being tracked by Ruler 2 (designated by Selection).'
' '
'In Horizontal Ruler mode, you can enter a value in the box labeled y2 to'
'change the position of the Ruler.'
};

case {'dxlabel','dxtext'}
str{1,1} = 'DX';
str{1,2} = {
' '
'Delta X value.  This is the value of x2 - x1.'
};

case {'dylabel','dytext'}
str{1,1} = 'DY';
str{1,2} = {
' '
'Delta Y value.  This is the value of y2 - y1.'
};

case {'dydxtext','dydxlabel'}
str{1,1} = 'DYDX';
str{1,2} = {
' '
'Delta Y / Delta X value.  This is the value of dy / dx.'
};

case 'ruler:peaks'
str{1,1} = 'PEAKS';
str{1,2} = {
' '
'Click on this button to see all the local maxima of the currently selected'
'filter response.  Change which filter is selected by clicking on any filter'
'response in any axes, or by choosing it in the Selection popup menu'
'directly above the rulers.'
' '
'In track and slope mode, the rulers are constrained to the peaks in this'
'mode.  In vertical mode, the peaks are only visual and do not affect the'
'behavior of the rulers.'
' '
'It is possible to display both the peaks and valleys at the same time.'
' '
'You can''t select peaks nor valleys in the pole-zero plot.'
};

case 'ruler:valleys'
str{1,1} = 'VALLEYS';
str{1,2} = {
' '
'Click on this button to see all the local minima of the currently selected'
'filter response.  Change which filter is selected by clicking on any filter'
'response in any axes, or by choosing it in the Selection popup menu'
'directly above the rulers.'
' '
'In track and slope mode, the rulers are constrained to the valleys in this'
'mode.  In vertical mode, the valleys are only visual and do not affect the'
'behavior of the rulers.'
' '
'It is possible to display both the peaks and valleys at the same time.'
' '
'You can''t select peaks nor valleys in the pole-zero plot.'
};

case 'saverulerbutton'
str{1,1} = 'SAVE RULERS';
str{1,2} = {
' '
'Clicking this button displays a dialogue box which allows you to enter a'
'variable name to save a structure in the MATLAB workspace with the fields'
'x1, y1, x2, y2, dx, dy, dydx, peaks, and valleys.'
' '
'Any undefined values will be set to NaN.'
};

case 'legendbutton'
str{1,1} = 'COLORS';
str{1,2} = {
' '
'Click on this button to change the Selected filter''s response line color'
'and/or line Style.'
};

case {'legendpopup','legendline','legendpatch','legendlabel'}
str{1,1} = 'SELECTION';
str{1,2} = {
' '
'Click on this menu to choose, from the multiple selected filters in the'
'SPTool, which one filter has the ruler focus.  The selected filter''s line'
'color and style are shown in the line segment just above this menu.  The'
'ruler measurements in track and slope mode, and peaks and valleys, apply to'
'the selected filter''s response.'
' '
'You can also change the selected filter by clicking on the desired filter'
'response in any of the subplots.'
};

case 'rulerpopup'
str{1,1} = 'RULERPOPUP';
str{1,2} = {
' '
'Click on this menu to choose which subplot, from the six possible subplots'
'containing filter responses, that you want the rulers to focus.  Selecting'
'a subplot that is not visible makes that subplot visible and moves the'
'rulers to that subplot.'
};


otherwise

str{1} = {
    'HELP for FILTVIEW'
    ' '
    'You have clicked on an object with tag'
    ['   ''' tag ''''] 
};

end