GNU Radio 3.5.1 C++ API
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Carrier tracking PLL for QPSKinput: complex; output: complex
The Costas loop can have two output streams: stream 1 is the baseband I and Q; stream 2 is the normalized frequency of the loop.
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#include <digital_costas_loop_cc.h>
Public Member Functions | |
int | work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items) |
just like gr_block::general_work, only this arranges to call consume_each for you | |
Friends | |
DIGITAL_API digital_costas_loop_cc_sptr | digital_make_costas_loop_cc (float loop_bw, int order) throw (std::invalid_argument) |
Carrier tracking PLL for QPSK
input: complex; output: complex
The Costas loop can have two output streams: stream 1 is the baseband I and Q; stream 2 is the normalized frequency of the loop.
order
must be 2 or 4.
int digital_costas_loop_cc::work | ( | int | noutput_items, |
gr_vector_const_void_star & | input_items, | ||
gr_vector_void_star & | output_items | ||
) | [virtual] |
just like gr_block::general_work, only this arranges to call consume_each for you
The user must override work to define the signal processing code
Implements gr_sync_block.
DIGITAL_API digital_costas_loop_cc_sptr digital_make_costas_loop_cc | ( | float | loop_bw, |
int | order | ||
) | throw (std::invalid_argument) [friend] |