go2signals Signal Analysis Technical data
The performance of the software products depends on the computer (speed) and the quality of the provided data files.
Signal Analyzer Features
| Parameter | Signal Analyzer Specification |
|---|---|
| License | USB-Dongle (CodeMeter) License sharing with license server |
| Localisation | English |
| OS | Windows 10/1 64 bit de/en CentOS Linux 7 (7.5 or higher, 7.5 recommended), 64 bit Red Hat Enterprise Linux RHEL 8 (8.4 or higher, 8.4 recommended), 64 bit |
| PC hardware | Min. Intel I5 , min 2.6 GHz Memory: min 2 GB RAM HDD: min. 10 GB Screen Resolution: min. 1280 x 1024 pixel (1920 x 1080 recommended) |
| Documentation | PDF user manual, PDF online help |
| ISO 9001:2015 | The company is certified |
| Training | Training: 1-2 days |
| GUI | Easy and intuitive to operate Input spectrogram Manual and automatic demodulator and decoder control Predefined screens with the most frequently needed displays for quick measurements Displays support both experts and beginners in modulation analysis |
| Data Acquitision | IF/AF recordings (real / complex WAV 8, 16, 32 Bit, TCI cap file format) |
| Signal Selection | Manual selection of the signal components to be analyzed (time and frequency domain) Multiple selection possible for comparison |
| Crop Tool | Function to "cut" a specific part from an input file (using DDC) Possibility to swap lower and upper sideband The output is displayed as a sonogram/spectrum and can be used for further analysis |
| FM Demodulator | Function to remove a primary FM modulation Possibility to swap lower and upper sideband The output is displayed as a sonogram/spectrum and can be used for further analysis |
| AM Demodulator | Function to remove a primary AM modulation Possibility to swap lower and upper sideband The output is displayed as a sonogram/spectrum and can be used for further analysis |
| Analysis Display | Autorange and zoom function Spectrogram / Sonagram Spectrum (linear, logarithmic, average, Welch, A3, F3, nth power, etc.) Vector/time (amplitude, phase, frequency, etc.) Histogram (phase, frequency, etc.) I/Q plot (absolute, differential) Autocorrelation (input data, frequency, amplitude, weighted frequency) Circulation/Hell (frequency, amplitude, weighted frequency, etc.) |
| Cursor | Various cursors are available for parameter measurements, matched to the display: X, Y, Z, XY cursor Harmonic, centered and mirrored multiple cursor mode Time, frequency, phase, amplitude, symbol rate, bandwidth, SNR, channel count, channel spacing, etc. measurement |
| Time Analysis | Various time domain diagrams for evaluating basic modulation characteristics Originally configured to compare magnitude, phase, and frequency over time Additional selection of amplitude, in-phase, quadrature, power and level Each plot contains an additional histogram |
| Periodicity Analysis | Used to detect repetitive signal parts, such as regularly transmitted synchronization sequences, bit frames, etc. Analysis functions using instantaneous frequency, weighted frequency, differential phase and magnitude Autocorrelation display for measuring the repetition propagation time Circulation display synchronized with autocorrelation measurement |
| Classifier | Automatic modulation and modem classification of a signal included in a selection. Details see separate tables. |
| PSK Analysis | A set of tools, for the analysis of PSK-modulated signals Display of multiple squared signal spectra with automatic frequency correction 8'th power spectrum of phase (for center offset frequency measurement) Differential phase histogram Absolute I/Q display Differential I/Q display A3 spectrum (for Baud rate measurement) |
| FSK Analysis | A set of tools, for the analysis of FSK-modulated signals Welch spectrum Weighted frequency histograms Weighted instantaneous frequency Diff F3 spectrum |
| Multi Carrier PSK/QAM Analysis | A set of tools, for the analysis of MC PSK and QAM modulated signals Estimation of the number of carriers via autocorrelation Average spectrum with channel position markers Carrier A3 spectrum (for symbol rate measurement) Carrier differential phase display |
| OFDM Analysis and Demodulation (Option) | A set of tools for analysis and demodulation of OFDM modulated signals Automatic parameter estimation for user friendly analysis Autocorrelation for Tu-duration measurement Autocorrelation for Ts duration measurement Various displays regarding clock recovery, sampling position, frequency offsetand sampling position Carrier scatter displays for differential phase, absolute phase and linear amplitude Time scatter plots for differential phase, absolute phase and linear magnitude Absolute and differential multicarrier I/Q display Decision-controlled absolute and differential PLL demodulation for PSK2, PSK4, PSK8, PSK16, QAM4 and QAM16 Absolute and differential multi-carrier soft decision I/Q display Bit display for demodulation result Special multicarrier mode PSK/QAM with phase and pulse shape correction Export of analysis result to go2MONITOR and go2DECODE as modem description or demodulator parameter file |
Classified Modulations
| Modulation (23.1) | HF | VHF, UHF | Eb/No | |
|---|---|---|---|---|
| Eb/No | detection rate > 90% false alarms < 1% |
|||
| max. signal bandwidth | 50 kHz | 50 - 80 % of input bandwidth | ||
| Signal energy detection, min. SNR | 6 dB | 6 dB | ||
| min. signal length | 100 ms, 100 symbols | 100 ms, 100 symbols | ||
| Measurement conditions | 4 sec | 4 sec | ||
| Analog modulation types (no SELCALS) | USB J3E LSB J3E AM A3E DSB-SC (optional) |
USB J3E LSB J3E AM A3E DSB-SC (optional) NFM F3E (f> 25 MHz) WFM (BW 50-300 kHz, 65-108 MHz) |
||
| ASK2/4 | Signal frequency > 300 MHz | 1.2 - 25 kBd | 20 dB | |
| FSK2 | m = 1 - 10 | 25 - 4800 Bd | 1.2 - 25 kBd | 11 - 15 dB |
| FSK2 | m = 0.75 - 1.5 | 25 - 75 kBd | > 25 dB | |
| FSK4 | shift>SR | 25 - 4800 Bd | 1.2 - 25 kBd | 14 - 16 dB |
| GMSK | m = 0.5 | 300 - 4800 Bd | 1.2 - 125 kBd | 14 - 16 dB |
| MCFSK2 | m >= 1 2 - 64 CH |
40 - 250 Bd 120 - 1000 Hz CH spacing (min. 2xshift) |
40 - 250 Bd 120 - 1000 Hz CH spacing (min. 2xshift) |
17 dB |
| MC PSK 2, 4 A/B MC DPSK 2, 4 A/B |
< 10 kHz signal bw 2 - 64 ch |
31.25 - 250 Bd 50 - 300 Hz CH spacing |
31.25 - 250 Bd 50 - 300 Hz CH spacing |
13 - 15 dB |
| MORSE | 30 - 250 CPM | 30 - 250 CPM | ||
| MSK | m = 0.5 | 100 - 4800 Bd | 1.2 - 125 kBd | 14 - 16 dB |
| Multitone FSKn | 5 - 64 tones (shift >sr) |
3 - 200 ms (5 - 330 Bd) |
3 - 200 ms (5 - 330 Bd) |
14 - 16 dB |
| OFDM | Tg/Tu: 0.125 - 1 25 - 512 CH |
25 - 200 Bd 30 - 250 Hz CH spacing |
25 - 200 Bd 30 - 250 Hz CH spacing |
14 - 18 dB |
| OQPSK | within Freq. Ranges 1545-1551 MHz 3600-3629 MHz |
2.4 kBd - 500 kBd | 15 dB | |
| OTH Radar | FM-CW variants only | detection only | ||
| PSK 2 A/B DPSK 2 A/B |
31.25 - 4800 Bd | 1.2 kBd - 50 MBd | 7 - 10 dB A/B Decision: 8 - 15 dB |
|
| PSK 4 A/B DPSK 4 A/B |
31.25 - 4800 Bd | 1.2 kBd - 50 MBd | 8 - 12 dB A/B Decision: 10 - 15 dB |
|
| PSK 8 A/B DPSK 8 A/B |
31.25 - 4800 Bd | 1.2 kBd - 50 MBd | HF: 8 - 12 dB A/B Decision: 10 - 15 dB VHF, UHF: 10 - 14 dB A/B Decision: 12 - 15 dB |
|
| PSK16 | 300 - 4800 Bd | 1.2 kBd - 50 MBd | 14 - 16 dB | |
| QAM | Order: 16, 32, 64 Rectangular constellations only |
1600 - 4800 Bd | 1.6 - 25 kBd | 22 dB |
Classified Modems
| HF (23.1) | VHF / UHF |
|---|---|
| ALE 3G | ACARS-VHF |
| ALE 4G | APCO-25 |
| CHN 4+4 | APCO-25 Phase 2 Downlink |
| CHN hybrid | DAB |
| CIS-112 | DECT |
| CIS-128 | DMR |
| CIS-45 (33 / 45 Bd) | DMR Continuous |
| CIS-60 | dPMR |
| CIS-93 | D-STAR |
| CODAN 3012 16 Channel PSK | DVB-T (8 MHz Mode only) |
| CODAN 3212 16 Channel PSK | FLEX |
| HFDL | GSM (<3G), UMTS, LTE |
| LINK11 (CLEW) | Inmarsat Satphone Uplink |
| LINK11 (SLEW) | Iridium Satphone Uplink |
| MIL-STD-188-110A Serial (STANAG 4539 ) | MPT1327 1200Bd |
| MIL-STD-188-110B/C App. C (STANAG 4539 HDR ) | NXDN |
| MIL-STD-188-110C App. D | TETRA Downlink |
| PACTOR (I, II, II FEC, III, 4) | TETRA Uplink |
| STANAG 4285/4481 (PSK) | TETRAPOL |
| STANAG 4529 | Thuraya SAT Phone Uplink |
| STANAG 4539 | VDL2 |
| Yaesu System Fusion |