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Update iq.md

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Jiao Xianjun 2020-12-20 16:01:48 +01:00 committed by GitHub
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@ -34,6 +34,7 @@ We implement the **IQ sample capture** with interesting extensions: many **trigg
(for zed, adrv9364z7020, zc702 board, add argument that euqals to iq_len_init, like 4095)
```
The python script needs "matplotlib.pyplot" and "numpy" packages installed. Now you should see 3 figures showing run-time **IQ sample**, **AGC gain and lock status** and **RSSI (uncalibrated)**. Meanwhile the python script prints the **timestamp**.
![](./iq-screen-shot.jpg)
While running, all informations are also stored into a file **iq.txt**. A matlab script **test_iq_file_display.m** is offered to help you do analysis on the IQ Information offline. For zed, adrv9364z7020, zc702 board, do not forget to change the **iq_len** in the matlab script to 4095.