dfs
2016-05-06 00:33:41 0 举报深度优先搜索（DFS）是一种用于遍历或搜索树或图的算法。这个算法会尽可能深地搜索图的分支。当节点v的所在边都己被探寻过，搜索将回溯到发现节点v的那条边的起始节点。这一过程一直进行到已发现从源节点可达的所有节点为止。如果还存在未被发现的节点，则选择其中一个作为源节点并重复以上过程，整个进程反复进行直到所有节点都被访问为止。DFS可以使用递归或栈实现。
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Back the selection
waveform output
waveform=2?
press the RA5 to comfirm
all pass filter
press RB0
waveform=1?
high pass filter
set the loop
press the RA5?
display the modulator
set RB0 as go and R5A as back
select the sine wave
multiply the signal and store
the sinewave
select different waveforms
press theRA5?
start
set different coefficient
set the head
waveform=4?
select the sawtooth wave
go back
YES
Filter=1
comfirm the waveform
select the triangle wave
Filter=4
low pass filter
the triangle wave
yes
RA5=signal generatorRB0=signal processer
initialize and set the header file
NO and press RB0
Get the filter value from the potentiometer
select the square wave
pressedRB0?
put the signal into port D
Get value from potentiometer
the square wave
simulate the function and give value to PortD
END
press the RB0
Filter=2
the sawtooth wave
waveform=3?
give ADC value to portD
PRESS the R50?
set the potentiometer to select different frequency
Display the filter
bandpassfilter
pressedRA5?
Filter=3
display the \"slection\" function and the ADC
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