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java.lang.Objectasu.seismo.signals.oned.doubleSignal1d
public class doubleSignal1d
Basic implementation of a real valued signal
Field Summary | |
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protected double[] |
data
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protected int |
length
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Constructor Summary | |
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doubleSignal1d()
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doubleSignal1d(double[] d)
Construct signal from array d with length l |
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doubleSignal1d(double[] d,
arraySelector1d s)
Take only a part of the given array |
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doubleSignal1d(double[] d,
int l)
Construct signal from array d with length l |
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doubleSignal1d(doubleSignal1d sig)
Construct signal from other signal sig |
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doubleSignal1d(int l)
Construct signal with length l |
Method Summary | |
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void |
add(double c)
Add a constant point wise |
void |
add(double factor,
doubleSignal1d sig)
Add a weighted signal to this signal (this=this+factor*sig) |
void |
add(doubleSignal1d sig)
Add a signal to this signal (this=this+sig) |
protected void |
allocateMemory(int l)
Allocate the memory for the signal |
void |
assign(arraySelector1d s,
double c)
Replace part of the signal by the value of c |
void |
assign(arraySelector1d st,
doubleSignal1d sig)
Replace part of this signal by sig |
void |
assign(arraySelector1d st,
doubleSignal1d sig,
arraySelector1d s)
Replace part of this signal by a part of the signal sig |
void |
assign(double c)
Replace this signal by the constant signal with value c |
void |
assign(doubleSignal1d sig)
Assign another signal to this one |
void |
assign(doubleSignal1d sig,
arraySelector1d s)
Replace this signal by a part of the signal sig |
void |
changePhys()
Has to be called if the data was changed this becomes impotent in the derived classed that have other then the physical data in it eg fft data |
void |
clear()
clear signal ie fill signal with zeros |
void |
cutNeg()
Cut off negative values |
static doubleSignal1d |
diff(doubleSignal1d s1,
doubleSignal1d s2)
Subtract one signal form another one and return a new signal (return=s2-s1) |
void |
diffHere(doubleSignal1d s1,
doubleSignal1d s2)
Subtract s2 from s1 and assign it to this signal |
static double |
dp(doubleSignal1d s1,
doubleSignal1d s2)
The dot product (s1'*s2 in matlab notation) is computed |
double |
getAbsMax()
Return maximum value of the absolute values of the signal |
java.lang.String |
getAsString()
Get Signal as single string |
double[] |
getDataArray()
Get data Array |
int |
getLength()
Get length of signal |
double |
getMaxValue()
Return max value of signal |
double |
getMinValue()
Return max value of signal |
static doubleSignal1d |
loadASCII(java.lang.String filename)
return a new signal loaded as column vector from the ASCII file filename. |
void |
mult(double c)
Multiply point wise with a constant c |
void |
mult(doubleSignal1d sig)
Multiply point wise another signal |
double |
norm2()
Return 2-norm of signal |
void |
normalize2()
Normalize signal wrt the 2-norm |
void |
normalizeMax()
Normalize signal wrt the max value |
void |
normalizeS()
Normalize signal wrt the sum of all elements |
double |
normTK2()
Returns the Tikhonov semi-norm without the gradient |
double |
normTK2(doubleSignal1d grad)
Returns the Tikhonov Norm (H^2 norm) squared and the gradient of the function f: x-> ||x||_{TK}^2 at the point x="this signal" |
double |
normTV(double beta)
Compute TV semi-norm (total variation norm of this signal the TV norm is defines as the integral over the derivative of the signal in case of a discrete signal like this, the integral becomes a sum and the derivative is approximated by a forward difference of order 1. |
double |
normTV(doubleSignal1d grad,
double beta)
Computes the TV semi-norm of the signal and returns the gradient of the function f: x-> ||x||_TV at the point x="this signal" |
static doubleSignal1d |
ones(int l)
Return a new signal with l ones in it |
void |
printAsColumn()
Print signal as column vector |
void |
printAsLine()
Print signal in one line |
static doubleSignal1d |
rand(int l)
Return a new signal with random values (0,1) uniformly distributed |
void |
removeDC()
Remove DC offset |
static doubleSignal1d |
reverse(doubleSignal1d sig)
New signal in reverse order |
void |
reverseThis()
Reverse the order of the data in this signal |
void |
saveASCII(java.lang.String filename)
save signal as column vector in the ASCII file filename |
void |
setLength(int l)
Set the lengt of the signal |
doubleSignal1d |
subSignal(arraySelector1d s)
Return a sub signal determined by s |
double |
sum()
Sum over all elements |
static doubleSignal1d |
sum(doubleSignal1d s1,
doubleSignal1d s2)
Compute the sum of two signals and return a new signal |
void |
validatePhys()
This validates the data of the signal a invalid_data_exception will be thrown by almost all functions if the data is invalid. |
double[] |
vec()
return new array with the signal values |
void |
zeros()
Replace this signal by the zero signal |
void |
zeros(arraySelector1d s)
Replace a part of this signal by zeros |
static doubleSignal1d |
zeros(int l)
Return a new signal with l zeros in it |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected double[] data
protected int length
Constructor Detail |
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public doubleSignal1d()
public doubleSignal1d(int l)
public doubleSignal1d(double[] d)
public doubleSignal1d(double[] d, int l)
public doubleSignal1d(doubleSignal1d sig) throws invalid_data_exception
invalid_data_exception
public doubleSignal1d(double[] d, arraySelector1d s)
Method Detail |
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public double[] vec() throws invalid_data_exception
invalid_data_exception
public double[] getDataArray() throws invalid_data_exception
invalid_data_exception
public int getLength()
public void setLength(int l)
public static doubleSignal1d reverse(doubleSignal1d sig) throws invalid_data_exception
invalid_data_exception
public void reverseThis()
public void printAsLine() throws invalid_data_exception
invalid_data_exception
public void printAsColumn() throws invalid_data_exception
invalid_data_exception
public void saveASCII(java.lang.String filename) throws invalid_data_exception, java.io.IOException
invalid_data_exception
java.io.IOException
public static doubleSignal1d loadASCII(java.lang.String filename) throws invalid_data_exception, java.io.IOException
invalid_data_exception
java.io.IOException
public double getMaxValue() throws invalid_data_exception
invalid_data_exception
public double getMinValue() throws invalid_data_exception
invalid_data_exception
public double getAbsMax() throws invalid_data_exception
invalid_data_exception
public java.lang.String getAsString() throws invalid_data_exception
invalid_data_exception
public void mult(double c) throws invalid_data_exception
invalid_data_exception
public void mult(doubleSignal1d sig) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public void add(double c) throws invalid_data_exception
invalid_data_exception
public void add(double factor, doubleSignal1d sig) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public void add(doubleSignal1d sig) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public double sum() throws invalid_data_exception
invalid_data_exception
public void normalize2() throws invalid_data_exception
invalid_data_exception
public void normalizeS() throws invalid_data_exception
invalid_data_exception
public void normalizeMax() throws invalid_data_exception
invalid_data_exception
public static doubleSignal1d diff(doubleSignal1d s1, doubleSignal1d s2) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public void diffHere(doubleSignal1d s1, doubleSignal1d s2) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public static double dp(doubleSignal1d s1, doubleSignal1d s2) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public static doubleSignal1d sum(doubleSignal1d s1, doubleSignal1d s2) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public doubleSignal1d subSignal(arraySelector1d s) throws invalid_data_exception
invalid_data_exception
protected void allocateMemory(int l)
public static doubleSignal1d rand(int l) throws invalid_data_exception
invalid_data_exception
public void assign(double c)
public void assign(arraySelector1d s, double c) throws invalid_data_exception
invalid_data_exception
public void assign(doubleSignal1d sig) throws invalid_data_exception
invalid_data_exception
public void assign(arraySelector1d st, doubleSignal1d sig) throws invalid_data_exception
invalid_data_exception
public void assign(arraySelector1d st, doubleSignal1d sig, arraySelector1d s) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public void assign(doubleSignal1d sig, arraySelector1d s) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public void clear()
public void zeros() throws invalid_data_exception
invalid_data_exception
public void zeros(arraySelector1d s) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public static doubleSignal1d zeros(int l) throws invalid_data_exception
invalid_data_exception
public static doubleSignal1d ones(int l) throws invalid_data_exception
invalid_data_exception
public double normTV(double beta) throws invalid_data_exception
invalid_data_exception
public double normTV(doubleSignal1d grad, double beta) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public double normTK2(doubleSignal1d grad) throws invalid_data_exception, size_mismatch_exception
invalid_data_exception
size_mismatch_exception
public double normTK2() throws invalid_data_exception
invalid_data_exception
public double norm2() throws invalid_data_exception
invalid_data_exception
public void changePhys()
public void validatePhys()
public void cutNeg() throws invalid_data_exception
invalid_data_exception
public void removeDC() throws invalid_data_exception
invalid_data_exception
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