Descrizione

Key Facts
  • Support of wideband baseband hardware
  • Agile radar signals within 2 GHz baseband bandwidth
  • Realtime signal generation of CW, unmodulated rectangular CW pulses and pulses with linear frequency modulation or Barker codes with the R&S®Pulse Sequencer Software together with the options R&S®SMW-K300 and R&S®SMW-K301
  • Sequencing of arbitrary waveform segments
  • Realtime change of amplitude, offset frequencies, relative phase, pulse width and off times
  • Signal generation based on time of arrival information (ToA) embedded into the sequencing list
  • Ultralong playtimes
  • Support of loops, nested loops and repetitions

Brief Description The R&S®SMW-K502 wideband extended sequencing option can be used together with the R&S®Pulse Sequencer Software and its options R&S®SMW-K300 and R&S®SMW-K301. The R&S®Pulse Sequencer Software Software calculates all required signals and required sequencing lists and transfers them to the signal generator. Continuous wave signals, unmodulated rectangular CW pulses and pulses with linear frequency modulation or Barker codes are calculated in realtime inside the R&S®SMW200A. Also pre-calculated waveform segments can be used with these sequencing lists. Changes of amplitude, offset frequency, pulse width, offset phase and off time are always applied in realtime as defined by the sequencing list. The start time of the signal generation process is defined by a relative time stamp with time of arrival (ToA) information. Memory requirements are reduced to a minimum and playtime is increased enormously.
Specifications
Modes
R&S®Pulse Sequencer Software mode sequencing via R&S®Pulse Sequencer Software  
Parameter type
Data format
Sequencing file   mandatory, memory shared with I/Q data and segment addresses
I/Q data file   optional
Segment addresses   optional
Memory requirements
Sequencing file minimum 14 byte/pulse
  maximum 26 byte/pulse
Segment addresses   16 byte/waveform segment
I/Q data file   4 byte/I/Q sample
File size
Sequencing file rectangular pulses, unmodulated, variable amplitude, 5 ms PRI 187 kbyte/min.
  rectangular pulse, linear FM, variable FM, variable amplitude, phase and frequency, 5 ms PRI 305 kbyte/min.
Setting granularity
Time with R&S®SMW-B9 option 417 ps.
Amplitude   16 bit (voltage-based)
Phase   < 0.01 degrees
Frequency with R&S®SMW-B9 option <0.05 Hz
I/Q Segments
Maximum individual segments   16 777 216
Length granularity with R&S®SMW-B9 option 32 samples
Timing
Maximum play time with R&S®SMW-B9 option 24 h
Minimum pulse width with R&S®SMW-B9 option, real time <3.3 ns
  with R&S®SMW-B9 option, I/Q segment 417 ps
Minimum PRI
Frequency switching with R&S®SMW-B9 option <3.3 ns
Real time MOP types
Linear FM   up, down, triangular
Phase   Barker
Marker signals
Number of marker signals   3
Marker types default M1, M2, M3 active during pulse
  sequence start signal enabled M1 active at sequence start
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