Radio Wave Reradiation/Reflection TRIZ Cases

Automated radar wave offset detection adjusts obstacle scanning angles using processor-calculated angular differences.

Unequal antenna spacing combined with digital beamforming eliminates grating lobe ghosts, resolving angle resolution trade-offs in vehicle radar systems.

Passive Secondary Surveillance Radar detects non-cooperative aircraft by analyzing reflected Secondary Surveillance Radar interrogation pulses.

Doppler spectral analysis separates ground clutter from weather signals, resolving contamination issues that limit range resolution in smaller antennas.

Aligns sensor detections with object headings to aggregate sparse data across cycles, resolving classification errors caused by varying viewing angles.

A millimeterwave radar sensor uses a dielectric resonator oscillator and phase locked loop to generate stable frequency signals.

A radar imaging system calculates variance over localized windows in range-Doppler matrices to generate pixel maps for target detection.

A MIMO FMCW radar method relates baseband signals to a common time reference for precise angle estimation.

Millimeter-wave radar target feature extraction processes raw echo data to distinguish targets with similar physical shapes and motion states.

A radar transmitter front end circuit uses a signal director to route amplified transmit waveforms and return signals to the receiver port.

Multiple radars capture Doppler frequency and angular location data to generate a coarse velocity estimate for processing.

Segmented antenna arrays enable compact multi-side scanning, resolving the contradiction between large footprint and comprehensive coverage.

A rotatable reference object serves as a detectable point within the radar field, enabling single-person configuration of mmWave radar units.

A colocated MIMO radar system generates virtual antenna spectra to estimate target parameters using one-dimensional FFTs and cost function searches.

Segmented antenna processing and dynamic thresholding reduce false positives from spatially varying environmental noise.

A clutter suppressing device filters echo data rows in the azimuth direction to remove static object reflections while preserving moving target signals.

Phase change algorithms filter radar reflections to identify scatterer geometry, enabling three-dimensional building mapping without excessive computation time.

A multi-channel radar uses distinct frequency-modulated signals to enable simultaneous transmission and reception across multiple antennas.

A vehicle radar system modulates FMCW waveforms with adaptive phase shifts to separate target detections in the Doppler domain.

Dual-frequency phase difference detection determines object distance without signal reflection, resolving accuracy and complexity trade-offs.

Internal self-service calibration compensates for temperature drift and aging without external equipment, maintaining manufacturing precision.

A tracking receiver corrects complex difference signals using stored coefficients to compensate for sum signal leakage.

An object detection apparatus integrates radar reflection data with camera image edges to identify target objects.

Embeds timing information in RF data packets to synchronize secondary radar stations, eliminating external processing units and reducing system complexity.

A secondary surveillance radar combiner generates Mode S and Mode A/C tracks to identify identical targets.

Estimates rotation and translation from range profile templates using Wasserstein distance, reducing computational complexity for GPS-denied navigation.

A coherent radar system digitizes received signals before amplitude detection to preserve phase information for moving target correlation.

A radar receiver modulates phase noise with periodic nulls to cancel spectral interference.

Segmented chirp radar systems apply phase compensation to correct time gap errors, improving range resolution without increasing computational complexity.

A phased array system adjusts transmission phase shifts to create destructive interference at critical sensor locations.

Radar processing system dithers images along azimuthal extent to combine data into enhanced target views.

A radar apparatus measures transmitter and receiver performance during signal transmission gaps.

Dynamic time intervals and adjustable ranging parameters resolve fixed interval bottlenecks, enabling stable multi-device positioning.

An adaptive filter removes frequency modulated continuous wave interference from pulsed code modulation radar signals.

Center antenna elements receive higher gain than edge elements to suppress side lobe interference while maintaining long-range object detection accuracy.

A radar signal processing device classifies reception signals into distinct types to enable individual handling of each category.

A vehicle radar sensor employs synthetic aperture processing to generate high-resolution three-dimensional maps of the driving environment.

A synthetic aperture radar image analysis system determines phase correlation strength between pixels to associate them with geospatial objects.

A processor compares stationary reflection point data across ignition cycles to correct radar beam axis displacement.

Spectral analysis identifies periodic wind turbine interference to separate false tracks from aircraft returns, resolving detection accuracy trade-offs.

Periodic antenna switching reduces power consumption and chip size while maintaining Angle of Arrival estimation precision.

A super-resolution imaging radar system uses a pulse signal generator and array bucket detector to capture reflected RF energy bursts for image formation.

A dedicated short-range radar system varies transmitter and receiver modes according to detected road types, optimizing detection for highways and urban areas.

A radar-centric perception system uses distributed sensor units and a fusion block to synthesize a large effective aperture.

A radar apparatus adjusts transmission signal power and pulse width based on target location to emphasize weak echoes.

A multi-platform SAR system generates accurate digital elevation models by suppressing phase unwrapping errors through 2-D beamforming tomograms.

A non-contact FMCW radar system extracts vibration data from beat signal phase to avoid mechanical interference with target objects.

A radar system extrapolates input signals using auto-regressive models to determine direction of arrival.

A passive transponder modulates antenna backscattering to reflect flying object signals for position determination without active power.