libsdr
0.1.0
A simple SDR library
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A Gaussian White Noise source. More...
#include <utils.hh>
Public Member Functions | |
GWNSource (double sample_rate, size_t buffer_size=1024) | |
Constructor. More... | |
virtual | ~GWNSource () |
Destructor. More... | |
void | next () |
Samples and emits the next chunk of data. More... | |
Public Member Functions inherited from sdr::Source | |
Source () | |
Constructor. More... | |
virtual | ~Source () |
Destructor. More... | |
virtual void | send (const RawBuffer &buffer, bool allow_overwrite=false) |
Sends the given buffer to all connected sinks. More... | |
void | connect (SinkBase *sink, bool direct=false) |
Connect this source to a sink. More... | |
void | disconnect (SinkBase *sink) |
Disconnect a sink again. More... | |
virtual void | setConfig (const Config &config) |
Stores the configuration and propergates it if the configuration has been changed. More... | |
virtual double | sampleRate () const |
Returns the configured sample rate or 0 otherwise. More... | |
virtual Config::Type | type () const |
Returns the configured source type or Config::Type_UNDEFINED otherwise. More... | |
template<class T > | |
void | addEOS (T *instance, void(T::*function)()) |
Adds a callback to the end-of-stream signal of the source. More... | |
Protected Member Functions | |
void | _getNormal (double &a, double &b) |
Sample two std. More... | |
Protected Member Functions inherited from sdr::Source | |
void | signalEOS () |
Signals the EOS. More... | |
void | propagateConfig (const Config &config) |
Propagates the given configuration to all connected sinks. More... | |
Protected Attributes | |
double | _sample_rate |
The sample rate. More... | |
size_t | _buffer_size |
The size of the buffer. More... | |
Buffer< Scalar > | _buffer |
The output buffer. More... | |
double | _mean |
The mean value of the GWN. More... | |
Protected Attributes inherited from sdr::Source | |
Config | _config |
Holds the source configuration, this can be updated by calling setConfig . More... | |
std::map< SinkBase *, bool > | _sinks |
The connected sinks. More... | |
std::list< DelegateInterface * > | _eos |
The connected EOS singal handlers. More... | |
A Gaussian White Noise source.
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inline |
Constructor.
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inlinevirtual |
Destructor.
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inlineprotected |
Sample two std.
normal distributed RVs.
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inline |
Samples and emits the next chunk of data.
This function can be connected to the idle event of the Queue
instance, such that a new chunk gets emitted, once all previous chunks are processed.
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protected |
The output buffer.
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protected |
The size of the buffer.
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protected |
The mean value of the GWN.
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protected |
The sample rate.