AKRS - Radiosignal Analysis and Classification
Overview
- System for technical analysis of digitized radio signals
- Signal measurement, processing, analysis and classification
- On-line monitoring and recording of digital IF receiver signal
- Off-line processing of signal recordings
- Real time analysis of known-types of radio signals
- Device and signal pattern database for analysis support
- Modular system with chain-ordered analyzation tools
On-line channel monitoring and measurement
- Setting of channel monitoring and recording parameters (frequency, bandwidth for IF panorama, IF record and receiver audio output, input
- sensitivity, squelch level, length of measured signal, etc.)
- Tuning of the receiver
- Real-time spectral analysis with adjustable parameters (IF panorama)
Receiver manager module window
Off-line analysis and classification
- Loading and importing of measured files (from on-line window of digital IF receivers or import of common wav files)
- Selecting the area of interest (frequency vs. time)
- Selected signal demodulation (amplitude, frequency, phase or quadrature demodulators)
- Extracting of signal characteristics (carrier frequency, bandwith, symbolrate, histogram, eye pattern, IQ diagram, etc.)
- Radio system classification based on pattern signal database
Spectral analysis and signal selection
- Loading files with file info and measurement options
- Automatic spectrogram or spectrum preview with adjustable parameters
- Spectrum max-hold and average
- Accumulated spectrum image
- Markers for selection of interest signal
- Manual or automatic input gain
- Signal selection based on software defined receiver technology
- Adjustable carrier frequency
- Adjustable output bandwidth
- Selectable resampling of output signal
- Spectrogram and spectrum of output signal region
- Full automatic or manual mode
Signal demodulation
- Normalized amplitude envelope (in log scale) with lower and upper squelch levels
- Time scope of demodulated signal
- Time cursors for time interval or period measurement
- Level cursors for modulating states deviation measurement
- Filtering option for demodulated signal or amplitude envelope
- Automatic burst detector and deburster
- Data exporter for selected IF region output or demodulation output in standard wav format
Analysis tools
- Automatic symbol rate detection (independent on modulation type, manual settings option for very noisy signals)
- Symbol matrix: visualization of segmented demodulated signal in 2D matrix (i.e. visualize timeslots with synchronization or training sequences, visualize analog picture systems)
- Histogram of demodulated signal (full time or short-time histogram waterfall)
- Carrier frequency detection for PSK and QAM modulations (selectable frequency range and frequency/angle step, fully-automatic method independent on modulation type)
- IQ diagram (phase and amplitude constellation scheme) for PSK and QAM modulations with adjustable carrier frequency and phase offset Eye-pattern diagram with adjustable symbol period and segment length
- Export possibility for all graphic outputs of all analyzation tools
IQ diagram, Histogram and Eye-pattern diagram
Device and pattern database
- Pattern creator tool for editing device and signal pattern parameters (i.e. frequency band, modulation type, modulation parameters etc.)
- Signal pattern saved with analyzation tool chain and all setting parameters
- Dual mode screen with actual and pattern analyzation chains
- Pattern manager for viewing, using and editing database items (devices and patterns)
- Database search according to parameters filter
- Two database support: server and local database with synchronizer tool
- Local patterns – save analyzation tool chain to local store (without db server)
Incoming signal real-time analysis
Real-time analysis
- Real-time processing of selected analyzation tools
- Sw receiver for modifying signal carrier and bandwidth with real-time input/output spectrograms
- Real-time demodulation with live amplitude envelope and demodulated signal graphs with selectable time basis and synchronization
- Real-time audio output
- Real-time symbol matrix, histogram, IQ diagram and Eye-pattern diagram
Off-line analysis with signal pattern database
Other tools and possibilities
Data manager to administrate IF records in directory tree
Data manager window