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-rw-r--r--gr-digital/include/digital_diff_phasor_cc.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/gr-digital/include/digital_diff_phasor_cc.h b/gr-digital/include/digital_diff_phasor_cc.h
index b6e1a2afb..32a2464b2 100644
--- a/gr-digital/include/digital_diff_phasor_cc.h
+++ b/gr-digital/include/digital_diff_phasor_cc.h
@@ -27,8 +27,13 @@
#include <gr_sync_block.h>
/*!
- * \brief Please fix my documentation!
- * \ingroup misc
+ * \brief Differential decoding based on phase change.
+ * \ingroup coding_blk
+ *
+ * Uses the phase difference between two symbols to determine the
+ * output symbol:
+ *
+ * out[i] = in[i] * conj(in[i-1]);
*/
class digital_diff_phasor_cc;
typedef boost::shared_ptr<digital_diff_phasor_cc> digital_diff_phasor_cc_sptr;