Artemis 4 RC1

docs/sigid.md

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+# SigID Wiki Database
+Artemis serves as a valuable resource for both personal signal collection and leveraging a vast repository of pre-identified signals. This software application allows users to curate their own collections, but its true strength lies in its integration with a comprehensive database of known signals. This database is directly sourced from the [Signal Identification Wiki](https://www.sigidwiki.com/wiki/Signal_Identification_Guide), an open-source resource collaboratively maintained by a global community of radio enthusiasts.
+
+!!! tip "Database Revision"
+    For quality control purposes, the database undergoes a rigorous review process before integration into Artemis. This review adheres to established guidelines (**DIANA** crawler, not yet released), ensuring the accuracy and completeness of the information presented to users. The specifics of this review process are outlined in the following section.
+
+## Modulation
+A good practise (reported also on ) is to write the primary type of modulation (if known) and not all the possible variants. A practical example is reported on [Signal Identification Wiki](https://www.sigidwiki.com/wiki/Signal_Identification_Guide): there is no need to write **8-PSK** or **QPSK**, **PSK** is enough. The Artemis SigID database is provided without any modulation variants included. The recognized modulations are listed below:
+
+### Analog
+* **AM:** Amplitude Modulation
+* **FM:** Frequency Modulation
+* **PM:** Phase Modulation
+* **LSB:** Lower Sideband
+* **USB:** Upper Sideband
+* **VSB:** Vestigial Sideband
+* **CW:** Continuous Wave
+  
+### Digital
+* **QAM:** Quadrature Amplitude Modulation
+* **PSK:** Phase-Shift Keying
+* **FSK:** Frequency-Shift Keying
+* **ASK:** Amplitude-Shift Keying
+* **MSK:** Minimum-Shift Keying
+* **IFK:** Incremental Frequency Keying
+* **OOK:** On-Off Keying
+* **FDM:** Frequency-Division Multiplexing
+* **BOC:** Binary Offset Carrier Modulation
+* **CDMA:** Code Division Multiple Access
+* **TDMA:** Time Division Multiple Access
+* **FBMC:** Filter Bank Multi Carrier
+* **UFMC:** Universal Filtered Multi Carrier
+* **PCM:** Pulse Code Modulation
+* **PPM:** Pulse Position Modulation
+* **FMCW:** Frequency-Modulated Continuous Wave
+* **Pulse:** Pulse
+
+### Spread Spectrum
+* **CSS:** Chirp Spread Spectrum
+* **DSSS:** Direct Sequence Spread Spectrum
+* **FHSS:** Frequency Hopping Spread Spectrum
+* **THSS:** Time Hopping Spread Spectrum
+
+## Locations
+Locations are either countries or special token (`Worldwide`, `Europe`, etc.) . Precise location of the TX station, towns and cities are converted to their respective countries.