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I am having a Stream to Vector block which gives me 10 complex elements for another embedded block. How can I set the input type and length for my ambedded block to merge the size? I have already tried the official suggested method: in_sig = [(np.complex64,10)] but it doesn't work. I have attached a capture that shows how the my flowgraph should look like.

enter image description here

Manos
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Friedrich Maar
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2 Answers2

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You can use the Interleave block together with a Stream to Vector. The last vector to stream is just for the proof that the stream has been merged in items of grouped 20 complex numbers.

enter image description here

Manos
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Thank you very much, but the problem was the gnu radio version. I had this problem because of v3.7.10.1. I am using 3.7.12.0 now and the solution in_sig = [(np.complex64,10)] for the embedded python block works fine.

Friedrich Maar
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