Coherently processing multiple near-field radar measurements along a synthetic aperture path eliminates far-field chamber requirements and unknown phase issues.
A radar unit detects mutual interference using auxiliary receivers and switches frequency sub-bands to maintain signal integrity.
Spatial frequency sampling reduces device complexity while maintaining high resolution, enabling effective all-weather imaging through obscurants.
Radar motion spectrum data enables direct ego-motion calculation, bypassing complex range-Doppler detection processes that limit accuracy with few detections.
A scanning radar system determines target azimuth by comparing normalized real signals against pre-established simulation curves.
An object tracking apparatus calculates aliased velocities to generate target candidates for detection.
A radar system corrects feed line radiation pattern impairments by coherently combining interpolated patterns with received signals to boost signal-to-noise ratio.
A weather radar processing system corrects reflectivity data to distinguish precipitation types.
Segmenting azimuth intervals allows the radar system to exclude measurement points distorted by wheel Doppler effects, stabilizing relative velocity estimates.
Linearized signal processing models estimate radar sensor alignment angles via Kalman filtering, resolving precision and computational complexity trade-offs.
A ground-based synthetic aperture radar system with polarimetric capabilities and an on-board control unit.
A sensor system estimates living body position using linear prediction on complex transfer functions.
Compressive multiplexing codes radar data vectors to reduce storage and transmission bandwidth while maintaining target detection accuracy.
A spectral notch filter removes narrowband interference from stretch-processed synthetic aperture radar data.
A radar target movement estimating device uses stationary point reference coordinates to isolate ship motion influence from relative location data.
Resampling radar reflections via time-frequency oversampling mitigates range migration at high speeds, preserving Doppler coherent integration.
A radar modulator executes phase-shift keying using linear block codes to generate distinct signal components on the Doppler frequency axis.
A dynamic weather model system predicts hazardous conditions by comparing radar returns with stored algorithms.
A multi-range pulse compression radar transmits unique signal bursts for selected ranges using digital processing and directional antennas.
Monolithic microwave integrated circuit with frequency divider and mixer enables direct oscillator signal counting for fast chirp generation.
Doppler radar array calculates spin axis from signal time delays, eliminating wind interference and alignment errors found in camera systems.
Vibration dampeners and power cycling reset the radar unit, preventing data loss during truck chassis disturbances.
Local frequency estimation distinguishes noise from useful information in wavelet coefficients for interferometric phase filtering.
A weather radar detection apparatus uses a two-dimensional data structure to specify blocking areas with reduced data volume.
An installation angle distinction apparatus estimates vertical height and current vertical installation angle values of stationary objects using relative distance and velocity data.
Signal processing device removes interference waves using deconvolution of cross-correlated reference signals.
Amplitude modulation shifts radar cross section to detect stationary targets while reducing clutter interference.
A mobile InSAR system captures radar data to produce displacement maps, enabling automated hazard detection without manual inspections.
A millimeter-wave radar system tracks human targets using a state machine that evaluates movement states.
A frequency-offset self-injection-locked radar mixes two oscillation signals to maintain a constant transmit frequency.
An operator corrects automated fusion decisions via the display interface, resolving accuracy errors while maintaining tracking efficiency.
Integrating an FMCW radar unit into a wireless chipset reduces device cost while maintaining detection accuracy through signal processing.
A robust radar detection method applies a signal transformation matrix estimated from reference cells to filter received signals for target identification.
Multi-radar velocity vector processing improves yaw rate estimation accuracy by suppressing noise from moving targets.
A spectral estimation method uses antenna sub-arrays and MUSIC super-resolution to resolve sea clutter directionality.
A signal processing apparatus applies phase-weighted coherent integration to observation values derived from reflected pulse signals.
Alternating transmission periods for diagonal radars prevents radio wave interference in overlapping detection areas, reducing object detection time.
A radar back-up aid adjusts its target discrimination threshold using low-pass filtered noise data to maintain detection sensitivity.
A dual-sweep signal generator produces a heterodyne signal with a frequency band distinct from the chirp wave to enable accurate target extraction.
Virtual reference targets replace expensive physical artifacts to reduce measurement uncertainties and improve calibration accuracy for active sensor systems.
A frequency analysis unit performs two-dimensional fast Fourier transforms on beat signals to extract peak information within predefined distance-velocity regions.
Radar sensors extract motion characteristics and surface features to detect spatially uniform or optically transparent objects that optical systems miss.
Interpolated values unify disparate radar data streams, resolving measurement precision conflicts caused by inconsistent spatial resolutions.
A radar sensor evaluates frequency ramp power ratios to determine blindness indicators.
A radar system processes signal ramps to generate range and Doppler data using dynamic FFT techniques.
A radar signal processor extracts partial sample sequences from echo waveforms to calculate characteristic amounts for target identification.