Radio Wave Reradiation/Reflection TRIZ Cases

Parametric expression fitting resolves angular resolution limits without increasing antenna complexity.

A motorcycle radar system detects nearby vehicles using millimeter wave signals and indicator lights.

Digital waveform synthesis pre-distorts radar signals using a time domain correction look-up table to compensate for amplifier power droop.

Incoherent radar processing sweeps range and velocity spaces to detect space objects.

Varying radar transmission parameters across time intervals identifies interfering signals for detection systems.

Fan-shaped cluster areas group detected data to reduce processing load while improving tracking performance.

A radar system processes Range-Doppler information across virtual antenna arrays to determine object range, speed, and direction.

Hybrid CFAR detection adapts radar thresholds using local noise environment knowledge, resolving false alarm rate consistency issues in varying sea states.

U-shaped cantilever beams in the flexible radar support absorb swaying vibrations, reducing impact on radar detection precision during driving.

A radar transceiver assesses its own function by comparing detected signal levels against reference data.

Acoustic receivers positioned along distinct axes with offset distances capture incoming ultrasonic waves to determine object elevation and azimuth.

A radar apparatus classifies targets to suppress lost processes for stationary objects.

A wideband radar system segments pulses into multiple sub-pulses to enable simultaneous coherent and non-coherent integration within a single dwell.

A phase Doppler radar system measures target velocity using raw in-phase and quadrature data from consecutive pulses.

A vehicle radar apparatus calculates lateral positions using a weighted mean of multiple reflection points from detected targets.

A reconfigurable intelligent surface reflects reference signals to enable single-sided sidelink ranging.

ESPRIT signal processing evaluates phase relationships between two receiving antennas to determine angular position independent of object velocity.

Segmenting the Range-Doppler map into evaluation regions reduces computational burden while ensuring reliable object boundary recognition.

A vehicle radar sensor module uses coherent integration across multiple scans to generate a virtual array.

A vehicle radar system uses receiver antennas with lower boresight gain to create overlapping radiation patterns.

Multiplying Spano codes with orthogonal sequences maintains correlation characteristics despite Doppler-induced phase rotation.

A radar device separates beat signals to detect electromagnetic noise during transmission periods.

A radar pairing unit selects normal-paired data using a discrimination function based on multiple parameter values.

A TCAS interrogates lead aircraft to extract supplemental EHS parameters for merging and spacing calculations.

Geometric analysis of object vectors filters ghost targets from radar data, reducing false braking caused by signal artifacts.

A processing device synchronizes in-phase quadrature data using keystone formatting to correct range walk errors.

Phase spectrum evaluation distinguishes single and multiple scattering centers, improving detection accuracy for nearby objects.

An optimum detector calculates an interference correlation matrix to reject clutter cross talk and maximize the signal-to-interference ratio.

A frequency offset mixer shifts LFM waveforms to separate transmit signals in the range spectrum.

Partitioning radar imaging data into subarrays enables parallel processing across a distributed network, reducing storage requirements and computing time.

An FMCW radar device calculates sum of intensities in high frequency ranges to differentiate interference signals from target reflections.

Aerial vehicles generate composite 3D images using shared radar data to identify vulnerable target areas without central node communication.

A radar apparatus filters echo data to create trail information only for moving targets.

Sub-aperture segmentation resolves the trade-off between image resolution and moving object detection precision by eliminating motion blur wakes.

A mobile coherent change detection ground penetrating radar system uses a registration module to spatially align images from different measurement passes.

Segmenting frequency bands estimates clutter residues from proximal cells, suppressing false detections in complex environments.

A speed sensor determines relative velocity by extracting peak positions from cross-correlation functions of acoustic reflections.

Master radar chip distributes phase-shifted oscillator signals to slave chips for precise angle measurement.

A radar system determines aircraft velocity using direction of arrival measurements from synthetic aperture images.

Segmenting the d-v space reduces computing time and mismatch rates in high-density object detection scenarios.

A radar target detection device forms received waveforms with specific directivity to isolate phase components for distance calculation.

A radar apparatus retrieves strong reflection objects and estimates their orientation to calculate signal power for precise target detection.

Multi-wavelength radar sensors provide panoramic obstacle detection for helicopters, resolving weather dependence issues inherent in laser-based systems.

Distributed antenna units overcome narrow sensing regions by providing wide field coverage and improved accuracy for pre-crash applications.

A radar processing system extracts doppler zero slice data and maintains predictions based on previous frames to filter short-range leakage.

A waveform generator outputs parametrized frequency-modulated signals to compensate for radar platform motion.

Adjustable phase shifter modifies transmit signal phase relative to receive signals to inhibit self-induced oscillation in radar systems.

Active buffers in the feed network suppress crosstalk and leakage by isolating inactive antenna ports during sequential operation.