qam | Node.js Web Application Boilerplate | Runtime Evironment library
kandi X-RAY | qam Summary
kandi X-RAY | qam Summary
Node.js Web Application Boilerplate. Quick-start your backend and frontend with this boilerplate.
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Trending Discussions on qam
QUESTION
I want to convert deep nested JSON file into CSV. JSON file is
{ "abcd-performance:output": { "performance": [ { "sample": { "objectId": "abcd-device:100:12", "ifName": "Carrier1/1", "timeStamp": "2021-10-20T03:15:00.000Z", "type": "radio", "invalid": false, "attribute": [ { "parameter": "rslReadingMean", "value": -36.4 }, { "parameter": "qam-32rx_time", "value": 0 } ] } }, { "sample": { "objectId": "abcd-device:100:12", "ifName": "Carrier1/1", "timeStamp": "2021-10-20T03:30:00.000Z", "type": "radio", "invalid": false, "attribute": [ { "parameter": "rslReadingMean", "value": -36.5 }, { "parameter": "qam-32rx_time", "value": 0 } ] } }, { "sample": { "objectId": "abcd-device:100:13", "ifName": "Terminal", "timeStamp": "2021-10-20T03:30:00.000Z", "type": "sensor", "invalid": false, "attribute": [ { "parameter": "InputCurrent", "value": 1.14 }, { "parameter": "Temperature", "value": 61.5 }, { "parameter": "InputVoltage", "value": 54.777 } ] } } ] } }
code
...ANSWER
Answered 2021-Oct-27 at 05:25You will need to specify the arguments to meta and record_path according to the JSON.
QUESTION
I am developing a code for transmission and reception of a txt file using fec correction and qam modulation. The main problem is in transmission it only send one character or nothing just for a second and then get freeze. It's the first time that i used GNU radio and i don't know what caused this problem can you check the code in the images below and tell me what it could be and how to solve this. If i am doing something wrong please tell me.
Sorry, I don't have the range to post images so instead that I posted links.
...ANSWER
Answered 2021-Mar-22 at 21:42You're using an outdated version of GNU Radio, and within that, you're using the explicitly deprecated Packet Encoder, which randomly drops data. Don't do that, you had to pick that block from a category called "Deprecated" for a reason.
Also, it looks like you're using Throttle together with hardware. That doesn't work, and GRC also explicitly tells you it's a bad idea – you should pay attention to the console output in the lower left, it contains useful information!
So, don't start a new project on GNU Radio 3.7; GNU Radio 3.8 or 3.9 is trivial to install from Linux distro sources on any modern Linux Distro, and on Windows, you can use the excellent anaconda installer method.
Afterwards, orient on the examples that come with GNU Radio (installed, typically, under /usr/share/gnuradio/examples) in the digital subfolder. packet_loopback and other files will be good examples to learn from!
Other than that, make sure you've clicked on the "Get Started" button on gnuradio.org, and followed the tutorials up to the point of the PSK transmission tutorial. This should be a good entry to exactly what you're doing.
QUESTION
I´d like to get the more similar number within a list of numbers. In column A are some numbers and in column B a related code for that number. In column C are entries for which I want to find the most similar value and put output in column D showing the related product if possible. I hope make sense.
I show in colors the more similar "Short codes" for each entry.
My humble attempt is like below, I use Index and Match to find exact matches, but for closest matches I don't know how to start.
I like to have this using VBA since I´d apply it to values not in columns, but in an vba array for example.
...ANSWER
Answered 2021-Feb-08 at 21:44Try this:
QUESTION
I want to study LDPC and I want to simulate a program. This program will use LDPC on a randomly generated 1x32000 size binary array, then it will modulate with 16-QAM, add noise for SNR=20dB, do demodulation for 16-QAM and finally decode it using LDPC. When I run the program and check it for BER, I get error around %90 which is definitely not correct. Can you help me?
...ANSWER
Answered 2020-Aug-01 at 11:17The LDPC decoder object expects an input with "soft" bits (log-likelihood ratio), whereas you are feeding it with "hard", unipolar bits. So, replace the line
QUESTION
I use VS code to run the codes below and this is the output:
Image: Names of students enrolled in the course are not displayed correctly.
Below are my codes:
...ANSWER
Answered 2020-May-28 at 05:11Here is the solution:
QUESTION
I want to rotate the plot scatterplot(rxSig) (shown below) 8 degrees, for example.
(the group of the red dots in the photo)
it's not looks like a regular plot and I didn't found a relevant information for that.
Expected Result: (with rotation)
Plot without rotation:
ANSWER
Answered 2020-Jan-22 at 15:37I combined both my suggestions to create the following code.
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