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Re: module 'gnuradio.digital.qam' has no attribute 'qam_mod'


From: Cinaed Simson
Subject: Re: module 'gnuradio.digital.qam' has no attribute 'qam_mod'
Date: Fri, 5 Jun 2020 15:15:38 -0700
User-agent: Mozilla/5.0 (X11; Linux i686; rv:68.0) Gecko/20100101 Thunderbird/68.7.0

Yes, both QAM mod and demod depreciated. In GRC, look under the Depreciated tab under the pull down menu on the right.

-- Cinaed


On 6/5/20 2:14 PM, Fabian Schwartau wrote:
Hi,
thanks a lot! I guess the constellation modulator is the appropriate replacement? What about the demodulator?

Best regards,
Fabian

Am 5. Juni 2020 22:56:07 MESZ schrieb Cinaed Simson <cinaed.simson@gmail.com>:
Hi Fabian - QAM was depreciated prior to version 3.7 of gnuradio. And 
depreciation usually implies it doesn't work properly.

-- Cinaed

On 6/5/20 12:00 PM, Fabian Schwartau wrote:
Hi everyone, just added the gnuradio-releases ppa to my Ubuntu 18.04, made sure all old gnuradio is gone and installed it again. Version is 3.8.1.0 (using Python 3.6.9). However, after fiddeling a bit I made a small flow graph using the QAM modulator, but when I start it, I get: AttributeError: module 'gnuradio.digital.qam' has no attribute 'qam_mod' Doc says it should be there. Installation problem? libgnuradio-digital is installed. Flow graph and generated python files are attached. Anyone any idea? Best regards, Fabian PS: Why is there a copyright for 2016, I thought its 2020 and I guess there have been changes this year already. PPS: Why do I get 3.8.1.0 if there is only an rc-1 for that version? A release candidate is not a release in my eyes, but what do I know. ;)


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