r&s®ddf5gts high-九游官网下载

fast, accurate direction finding

key facts

  • exceptionally fast df scan speed thanks to three-channel architecture and wide realtime bandwidth
  • high df accuracy, sensitivity and immunity to reflections
  • integrated super-resolution df method

brief description

the r&s®ddf5gts high-speed scanning direction finder offers outstanding realtime bandwidth and df scan speed as well as high df accuracy, sensitivity and immunity to reflections.

features

  • direction finding of extremely fast frequency agile signals with high probability of intercept
  • reliable df results even in challenging environments
  • super-resolution df method

specifications

frequency range
frequency range in df mode base unit 20 mhz to 6 ghz
  with r&s®ddfgts-hf option 300 khz to 6 ghz

key facts

  • exceptionally fast df scan speed thanks to three-channel architecture and wide realtime bandwidth
  • high df accuracy, sensitivity and immunity to reflections
  • integrated super-resolution df method
  • monitoring and df performance in line with itu recommendations and itu handbook on spectrum monitoring
  • performance verification in line with itu recommendations company

brief description

the r&s®ddf5gts high-speed scanning direction finder offers outstanding realtime bandwidth and df scan speed as well as high df accuracy, sensitivity and immunity to reflections. thanks to the integrated super-resolution df method (availability on request), the direction finder is ideal for complex signal scenarios.

features & benefits

  • direction finding of extremely fast frequency agile signals with high probability of intercept
    • high df scan speed thanks to 80 mhz realtime bandwidth
    • direction finding and location of frequency hopping transmitters with up to 2000 hops/s
    • direction finding and location of pulses with a duration of 10 µs
  • reliable df results even in challenging environments
    • higher immunity to reflections due to df antennas with a very large number of antenna elements
    • stable bearings even with a 50 percent share of reflections
  • super-resolution df method
    • direction finding for co-channel signals
    • super-resolution df method as standard
  • innovative df antennas
    • active/passive switchover with just a mouse click
    • exceptionally high df sensitivity
    • integrated, extendible lightning protection
    • easy replacement of df antennas
  • precise direction finding of weak signals
    • high df sensitivity due to large number of antenna elements
    • adjustable coherent signal integration in wideband df mode and df scan mode for enhanced df sensitivity
  • accurate and reliable location of short-duration signals
    • gps-based synchronization of multiple r&s®ddf5gts (time-synchronized df scan mode)
    • optional preclassifier for detecting lpi signals and summarizing individual results into a condensed result
  • special and exceptionally powerful receive path for signal measurement
    • special and exceptionally powerful receive path
    • improved analog architecture of the receive path
    • especially powerful analog/digital converters
    • considerable advantages in the case of weak signals and dense signal scenarios
  • effective measurements in line with itu recommendations
    • compliance with all itu recommendations for direction finders and receivers
    • option for comprehensive, itu-compliant measurement methods
  • receive mode with integrated antenna matrix
    • very fast panorama scan
    • integrated antenna matrix for connecting up to three vhf/uhf/shf receiving antennas and up to three hf receiving antennas (option) in addition to the df antenna
    • independent ddc channel
    • selection of the antenna element with maximum signal level
  • signal analysis in parallel to direction finding
    • output of i/q data for parallel signal analysis with r&s®ca120 (available on request)
  • powerful hardware developed by rohde & schwarz
    • in-house development and manufacture of all df system components, including the df antenna
    • signal processing at maximum speed based on powerful fpgas
    • use of powerful rohde & schwarz asics
    • high immunity to strong signals thanks to sophisticated preselection

specifications

frequency range
frequency range in df mode base unit 20 mhz to 6 ghz
  with r&s®ddfgts-hf option 300 khz to 6 ghz
frequency range in receive mode base unit 20 mhz to 6 ghz
  with r&s®ddfgts-hf option 8 khz to 6 ghz
df mode
df method standard correlative interferometer, watson-watt, super-resolution
  with r&s®ddfgts-vm option vector matching
realtime bandwidth vhf/uhf/shf 80 mhz
  hf 20 mhz
instrument df accuracy   typ. 0.2° rms
system df accuracy1) depends on df antenna; here for example r&s®add011sr (.1x), r&s®add050sr, r&s®add153sr and r&s®add078sr, in reflection-free environment, with lightning protection, in line with report itu-r sm.2125 (limited to one modulation type) and recommendation itu-r sm.854
  300 khz to 1300 mhz typ. 0.5° rms
  1.3 ghz to 6 ghz typ. 1° rms
df sensitivity depends on df antenna; for 2° rms bearing fluctuation, 1 s integration time and 250 hz (hf)
or 600 hz (vhf/uhf/shf) df bandwidth; here for example with r&s®add011sr (.1x),
r&s®add050sr, r&s®add153sr and r&s®add078sr, in line with report itu-r sm.2125
  300 khz to 1300 mhz typ. 0.7 µv/m
  1.3 ghz to 6 ghz typ. 3 µv/m to 20 µv/m
df scan speed in vhf/uhf/shf (25 khz channel resolution, 100% channel occupancy, correlative interferometer method, wideband fixed frequency mode) base unit 60 ghz/s, in line with report itu-r sm.2125
df scan speed in hf (1.25 khz channel resolution, 100% channel occupancy, watson-watt method, wideband fixed
frequency mode)		 base unit 10 ghz/s, in line with report itu-r sm.2125
minimum signal duration for a single burst signal, in line with report itu-r sm.2125
  base unit 1 ms
  with r&s®ddfgts-ems option2) 60 μs
minimum burst duration for multiple burst signals 10 µs

1) measurement in reflection-free environment. the rms error is calculated from the bearings of evenly distributed samples versus azimuth and frequency.

2) the r&s®ddfgts-ems option is subject to export control

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