Waveforms and Signal Processing

Waveforms and Signal Processing

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This chapter highlights the following: analyzing the simple pulse in both time and frequency domains; matched filtering to optimize signal-to-noise ratio; measuring range with a radar; the Doppler phenomenon; measuring range rate with Doppler ; acceleration measurements; measuring angle; pulse compression; features of FM chirp; time sidelobes in compressed pulses and weighting functions to mitigate them; pulse burst waveforms; ambiguities and their elimination; signal processing, basic receiver chain; and integration and Doppler processing digital filters.

Chapter Contents:

  • 5.1 Waveforms
  • 5.2 Characteristics of the Simple Pulse
  • 5.3 Range Measurement
  • 5.3.1 Resolution
  • 5.3.2 Accuracy
  • 5.3.3 Ambiguity
  • 5.3.4 Dead Zone
  • 5.3.5 Eclipsing
  • 5.4 Doppler Measurements
  • 5.4.1 Resolution
  • 5.4.2 Accuracy
  • 5.5 Angle Measurements
  • 5.6 Pulse Compression
  • 5.6.1 FM Chirp
  • 5.6.2 Features of FM Chirp
  • 5.6.3 Alternate Methods
  • 5.6.4 Impact of Pulse Compression on S/N
  • 5.6.5 Range and Doppler Sidelobes
  • 5.7 Pulse Burst Waveforms
  • 5.8 Ambiguity Functions
  • 5.9 Signal Processing
  • 5.9.1 Basic Receiver Chain
  • 5.9.2 Signal Processing Topics
  • 5.10 Exercises
  • 5.11 References

Inspec keywords: angular measurement; radar receivers; acceleration measurement; Doppler measurement; radar signal processing; frequency-domain analysis; time-domain analysis; digital filters; distance measurement; matched filters; chirp modulation; FM radar; distillation

Other keywords: angle measurement; pulse compression; Doppler phenomenon; Doppler processing digital filter; acceleration measurement; radr waveforms; Doppler measurement; time domain analysis; basic receiver chain; frequency domain analysis; ambiguities elimination; matched filter; pulse burst waveforms; weighting functions; radar measurement; radar signal processing; FM chirp; time sidelobes

Subjects: Radar theory; Filtering methods in signal processing; Radar equipment, systems and applications; Spatial variables measurement; Velocity, acceleration and rotation measurement

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