how i can convert copmlex int16 to int16 in matlab for Software Defined Radio source HackRF One?

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stack programer 2017 年 5 月 4 日

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https://jp.mathworks.com/matlabcentral/answers/338657-how-i-can-convert-copmlex-int16-to-int16-in-matlab-for-software-defined-radio-source-hackrf-one

編集済み: stack programer 2017 年 5 月 23 日

Hi, i know matlab doesn't support officially hackrf one, so i installed a unofficial library for hackrfone that is on github simulink-hackrf you can see image in this below:

so it output is complex int8, for rtl-sdr is int8, fm example rtl-sdr doesn't work for hackrf one because it need int8,my question is how i can convert complex to int8 real time with out any errors??? can any idea, thanks in advance best regards stackprogramer

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stack programer 2017 年 5 月 4 日

編集済み: stack programer 2017 年 5 月 4 日

when i used convert block in simulink it returns error.....

    0:12 AM Elapsed: 0.939 sec
    Data type of the input port 1 is unknown for MATLAB System block "sdrrFMReceiverSimulinkExampleHackRF/FM Broadcast Demodulator Baseband". This can happen when the input port is in a loop, is driven by a Ground block or a source with unspecified data type, or the input port has unconnected signal lines. Consider adding Signal Specification block with specified data type in front of the input port.
    Component: Simulink | Category: Block error

stack programer 2017 年 5 月 4 日

when i used complex block it returns error

Output port 2 of 'sdrrFMReceiverSimulinkExampleHackRF/Complex to Real-Imag' is not connected.
Component: Simulink | Category: Block warning
Error in 'sdrrFMReceiverSimulinkExampleHackRF/Audio Device
Writer': The block input must be a uint8, int16, int32, or floating-point data type.
Component: Simulink | Category: Block error
An error occurred while propagating data type 'int8' from 'sdrrFMReceiverSimulinkExampleHackRF/FM Broadcast Demodulator Baseband', output port 1.