N6820114E Core Capabilities
Technische Überblicke
The Keysight Technologies N6820114E Surveyor 4D software is a spectrum monitoring tool, capable of automating signal search and survey functions. It tasks internal or external processes to capture and analyze spectrum events or conduct comprehensive surveys of the RF environment. Its powerful detection, triggering, and alarm functions are unrivaled in the commercial spectrum monitoring industry. Additionally, the Surveyor 4D software can be used manually as a high-speed spectrum display to task handoff receivers, modulation recognition, recording, direction-finding, and emitter location measurement
Applications
• Spectrum monitoring and logging
• Spectrum management
• Interference detection and location
• Band clearing
• Signal development
• RF Survey
• Special signal intercept and collection
• Satellite downlink monitoring
Customers
• Telecommunications regulatory authorities
• Mobile service providers
• Government range frequency managers
• Corporate spectrum/frequency managers
• RF test managers
• Military and intelligence agencies
• Satellite system operators
Key features
• High-speed, high-resolution spectrum search
• Automated signal survey and classification tools
• Powerful triggering and masking functions
• Configurable alarm functions and flexible tasking of resources
• SQL database for long-term logging and big data analysis
• Built-in spectrum recorder
• Flexible multi-band search modes
• Automatic tasking of RF emitter location or direction-finding sub-systems
• ITU-RSM.1600 Technical identification compliance
• IQ capture and recording of RF signals
Surveyor 4D Software Description
Hardware options
The N6820114E Surveyor 4D core software includes hardware drivers for connection to Keysight N6841A RF Sensors and the FieldFox analyzers. One software license can be installed and run on one PC at a time. Up to six independent instances of Surveyor 4D can be run simultaneously on one PC. Each instance of the software can connect to up to four devices (either N6841A or FieldFox analyzers). Surveyor 4D can connect to the M9391A and M9393A PXIe receivers when the N6820MTPE feature is purchased. It can also connect to the N6831A HF wideband receiver when the N6820HFPE feature is purchased. For more information, refer to their respective technical overviews. Additional tools are provided with the Surveyor 4D core software that are described at the end of this document.
Energy detection
Detecting energy is a core feature of the Surveyor 4D software. Surveyor 4D conducts high-speed, highresolution RF searches across single or multiple radio bands processing energy that meets the detection criteria. Energy detection requires a spectral threshold and Surveyor 4D offers many different types including Level, Auto, Environmental, and user-defined files. Having a variety of energy thresholds is extremely valuable for addressing different situations encountered in real-world spectral events since one technology does not fit every circumstance. The noise-riding threshold (orange trace) is used in the setup shown below.
Energy history database
When any RF energy exceeds the threshold and meets the detection criteria, an entry is made into the Energy History Database (EHD). Each entry contains over 20 precisely measured signal parameters associated with the detected energy. The EHD is used as an interim repository where intercept data is further processed and refined through filtering and alarms.