📄 ridrec.html
字号:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><title>R: Reconstruction from a Ridge</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<link rel="stylesheet" type="text/css" href="../../R.css">
</head><body>
<table width="100%" summary="page for ridrec {Rwave}"><tr><td>ridrec {Rwave}</td><td align="right">R Documentation</td></tr></table>
<h2>Reconstruction from a Ridge</h2>
<h3>Description</h3>
<p>
Reconstructs signal from sample of a ridge,
in the wavelet case.
</p>
<h3>Usage</h3>
<pre>
ridrec(cwtinput, node, phinode, noct, nvoice, Qinv, epsilon, np,
w0=2 * pi, check=FALSE, real=FALSE)
</pre>
<h3>Arguments</h3>
<table summary="R argblock">
<tr valign="top"><td><code>cwtinput</code></td>
<td>
wavelet transform, output of <code><a href="cwt.html">cwt</a></code>.
</td></tr>
<tr valign="top"><td><code>node</code></td>
<td>
time coordinates of the ridge samples.
</td></tr>
<tr valign="top"><td><code>phinode</code></td>
<td>
scale coordinates of the ridge samples.
</td></tr>
<tr valign="top"><td><code>noct</code></td>
<td>
number of octaves (powers of 2).
</td></tr>
<tr valign="top"><td><code>nvoice</code></td>
<td>
number of different scales per octave.
</td></tr>
<tr valign="top"><td><code>Qinv</code></td>
<td>
inverse of the matrix <i>Q</i> of the quadratic form.
</td></tr>
<tr valign="top"><td><code>epsilon</code></td>
<td>
coefficient of the <i>Q_2</i> term in reconstruction kernel
</td></tr>
<tr valign="top"><td><code>np</code></td>
<td>
number of samples of the reconstructed signal.
</td></tr>
<tr valign="top"><td><code>w0</code></td>
<td>
central frequency of Morlet wavelet.
</td></tr>
<tr valign="top"><td><code>check</code></td>
<td>
if set to TRUE, computes <code><a href="cwt.html">cwt</a></code> of reconstructed signal.
</td></tr>
<tr valign="top"><td><code>real</code></td>
<td>
if set to TRUE, uses only constraints on the real part of the transform.
</td></tr>
</table>
<h3>Details</h3>
<h3>Value</h3>
<p>
Returns a list containing the reconstructed signal and the chained ridges.
</p>
<table summary="R argblock">
<tr valign="top"><td><code>sol</code></td>
<td>
reconstruction from a ridge</td></tr>
<tr valign="top"><td><code>A</code></td>
<td>
<wavelets,dualwavelets> matrix </td></tr>
<tr valign="top"><td><code>lam</code></td>
<td>
coefficients of dual wavelets in reconstructed signal.</td></tr>
<tr valign="top"><td><code>dualwave</code></td>
<td>
array containing the dual wavelets.</td></tr>
<tr valign="top"><td><code>morvelets</code></td>
<td>
array of morlet wavelets located on the ridge samples.</td></tr>
<tr valign="top"><td><code>solskel</code></td>
<td>
wavelet transform of sol, restricted to the ridge</td></tr>
<tr valign="top"><td><code>inputskel</code></td>
<td>
wavelet transform of signal, restricted to the ridge</td></tr>
</table>
<h3>References</h3>
<p>
See discussions in the text of ``Practical Time-Frequency Analysis''.
</p>
<h3>See Also</h3>
<p>
<code><a href="sridrec.html">sridrec</a></code>, <code><a href="regrec.html">regrec</a></code>, <code><a href="regrec2.html">regrec2</a></code>.
</p>
<hr><div align="center">[Package <em>Rwave</em> version 1.24 <a href="00Index.html">Index]</a></div>
</body></html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -