make.signal(wmtsa)
make.signal()所属R语言包:wmtsa
Test signal generation
测试信号的产生
译者:生物统计家园网 机器人LoveR
描述----------Description----------
Generates various test signals for wavelet transforms.
生成各种测试信号的小波变换。
用法----------Usage----------
make.signal(name, n=1024, snr=Inf)
参数----------Arguments----------
参数:name
a character string denoting the type of test signal to create. Supported values are: "dirac", "kronecker", "heavisine", "bumps", "blocks", "doppler", "ramp", "cusp", "crease", "sing", "hisine", "losine", "linchirp", "twochirp", "quadchirp", "mishmash1", "mishmash2", "mishmash3", "levelshift", "jumpsine", "gauss", "patches", "linear", "quadratic", and "cubic".
表示类型的测试信号来创建一个字符串。支持的值是:"dirac","kronecker","heavisine","bumps","blocks","doppler","ramp","cusp" ,"crease","sing","hisine","losine","linchirp","twochirp","quadchirp","mishmash1", "mishmash2","mishmash3","levelshift","jumpsine","gauss","patches","linear","quadratic"和 "cubic"。
参数:n
an integer specifying the length out the output series. Default: 1024.
一个整数,指定了输出序列的长度。默认值:1024。
参数:snr
a numeric value representing the approximate signal to noise ratio of the output. Default: Inf (no noise).
一个数字值,该值表示的输出信噪比的近似信号。默认值:Inf(无噪声)。
值----------Value----------
a vector of numeric values containing the resulting test series.
一个向量的数值,含有所得的测试系列。
参见----------See Also----------
实例----------Examples----------
nms <- c("blocks", "linchirp", "mishmash1", "bumps")
z <- lapply(nms, make.signal)
stackPlot(x=seq(1024),y=z, ylab=nms)
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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