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Owning Class: filter implementation
Requires: MathScript RT Module
y = quantdecode(x, n)
y = quantdecode(x, n, r)
y = quantdecode(x, n, r, s)
Decodes quantized integer inputs to floating-point outputs.
|x||Specifies the integers to decode. If the elements of x are signed integers, all elements of x must fall in the range [-2^(n-1), 2^(n-1)-1]. Otherwise, all elements of x must fall in the range [0, 2^n-1].|
|n||Specifies the level of quantization. n is a positive integer between 2 and 32.|
|r||Specifies the output range. r is a positive number. The default is 1.|
|s||Specifies how to treat the overflows. s accepts the following values.
|y||Returns the decoded floating-point numbers.|
quantdecode does not accept complex inputs. To encode and decode a complex x, use quantencode and quantdecode separately on the real and imaginary parts of x and then combine the results, as shown in the following example.
X = real(input) %get the real part of the input
Y = imag(input) %get the imaginary part of the input
X = quantencode(X, 4, 1, 'unsigned') %encode X
Y = quantencode(Y, 4, 1, 'unsigned') %encode Y
X = quantdecode(X, 4, 1, 'wrap') %decode X
Y = quantdecode(Y, 4, 1, 'wrap') %decode Y
output = complex(X, Y) %combine the real and imaginary parts
The following table lists the support characteristics of this function.
|Supported in the LabVIEW Run-Time Engine||Yes|
|Supported on RT targets||Yes|
|Suitable for bounded execution times on RT||Not characterized|
X = -1:0.01:1;
Y = quantencode(X, 4, 1, 'signed');
X1 = quantdecode(Y, 4, 1);