信号处理的C语言程序编写（信号记录文件为TXT文件）
\u600e\u4e48\u5229\u7528\u5916\u90e8.txt\u6587\u4ef6\u540c\u6b65\u8bb0\u5f55c\u8bed\u8a00\u7a0b\u5e8f\u8f93\u51fa\u7684\u6570\u636e\u3002\u6025\u6c42\u3002#includeint main(){ freopen("output.txt","w",stdout); printf("23333333");}\u4f60\u53ef\u4ee5\u8bd5\u8bd5\u8fd9\u4e2a\uff0c\u770b\u6709\u6ca1\u6709\u751f\u6210\u4e00\u4e2a\u6587\u4ef6\u91cc\u9762\u8f93\u51fa\u4e8623333333
\u540c\u7406\uff0c\u5982\u679c\u4f60\u8981\u7528\u6587\u4ef6\u91cc\u7684\u5185\u5bb9\u6765\u8f93\u5165\u6570\u636e\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528freopen
freopen("input.txt","r",stdin);\u5176\u4e2d\u7b2c\u4e00\u4e2a\u5f15\u53f7\u5185\u7684\u5185\u5bb9\u53ef\u4ee5\u81ea\u5df1\u8f93\u5165\uff0c\u4e3a\u8f93\u5165/\u8f93\u51fa\u7684\u6587\u4ef6\u540d
\u6570\u5b57\u4fe1\u53f7\u5904\u7406c\u8bed\u8a00\u7a0b\u5e8f\u96c6 txt\u5168\u96c6\u5c0f\u8bf4\u9644\u4ef6\u5df2\u4e0a\u4f20\u5230\u767e\u5ea6\u7f51\u76d8\uff0c\u70b9\u51fb\u514d\u8d39\u4e0b\u8f7d\uff1a
\u514d\u8d39\u7684\uff0c\u76f4\u63a5\u4e0b\u8f7d\u5c31\u884c
我在这里说一下得到波峰值及相邻两峰之间距离的算法吧.
对于时序连续波谱,从文件读入内存后,保存在x[]数组中.
计算delta=x[i+1]-x[i],当delta从正值变成负值或零时,或者从负值变成正值或零时,记录对应的x[i].该值就是波峰.
相邻波峰的距离,只要用x[i+2]-x[i]即可.
说实话信号处理最好还是matlab之类的软件比较好
labview也可以
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