Receiver and Receiver Systems Control

SPECTRE is a portable emitter collection sub-system that can be custom configured for specific mission requirements. The SPECTRE (Special Purpose Emitter Collection & Tactical Receiving Equipment) sub-system is composed of three major parts:

1. Signal acquisition (SMR-3822 Microwave Receiver)
2. Signal collection (SMR-5550i Microwave Receiver and Model 388 IF-to-Tape Converter)
3. Command and control (laptop or PC workstation)
In addition, SPECTRE provides flexible interfaces to existing ESM and ELINT collection systems or the capability to integrate additional analysis tools into the SPECTRE sub-system.

Multi-trace display

The Graphical User Interface (GUI) for search receivers allows the operator to remotely control an SMR-3822, SMR-3822A, or SMR-4820 Microwave Receiving System. A typical configuration might have a separate trace assigned to each of the octave bands (1–2 GHz, 2–4 GHz, etc.). Each trace is an individual receiver control window that can be positioned anywhere on the desktop. A trace window can be expanded to reveal all the GUI display and receiver control functions.

Based on the Windows operating system, the GUI has a typical Windows "look and feel" and provides either RF sweep or IF pan spectrum display.

Step and Dwell or channel scan mode allows the operator to analyze signal activity in 25 discrete channels that can be programmed for frequency and signal threshold. Channel activity is displayed using a histogram type graph as shown in the figure.

Step and Dwell window