Radio Wave Reradiation/Reflection TRIZ Cases

Reader unit calculates phase difference between upper and lower side band components to measure distance without timing lag from moving targets.

A radar system tracks objects in three dimensions using spherical coordinates and an extended Kalman filter to update tracking vectors.

Asymmetric polyphase filtering suppresses noise in one quadrature component, lowering power consumption while maintaining receiver reliability.

Delay element arrangement creates RF signal superposition to calculate relative phase values, resolving EHF calibration challenges.

A radar system calculates target direction using signal amplitudes from overlapping transceiver fields of view.

Preliminary localization in ranging mode enables direct beam alignment, eliminating scanning to reduce detection time and power consumption.

A digital-to-time converter modulates a crystal oscillator signal to generate frequency-modulated continuous wave signals with low distortion.

Accelerated Doppler Processing extrapolates radar system responses from a single pulse using ray-tracing and Fast Fourier Transform methods.

Segmenting coherent integration time across multiple beams increases Doppler resolution without extending the radar timeline.

A radar tuning voltage setting timing generator controls local oscillation frequency based on transmit pulse patterns.

A vehicle radar system reconstructs interference signals from phase response parameters to remove them from reception data.

A radar system selects between Chebyshev and Taylor window functions based on dominant target presence to optimize signal processing.

RMCA-CFAR radar detector selects reference data via sliding window to identify targets without sorting overhead.

A vehicular radar sensing system detects sensor blockages by analyzing phase delays in reflected radio signals.

A beam information generating device calculates reception beam widths based on distances to transmission beams.

Printed antenna patterns on vehicle glass panels enable radar sensing for cabin monitoring.

Asymmetric pulse sampling maintains Doppler resolution while reducing sidelobe energy, enabling simultaneous SAR imaging and moving target indication.

A radar system calculates true target velocity by comparing phase differences between even and odd receive sequences.

Interleaved radar signals eliminate distance measurement ambiguities caused by the Doppler effect, reducing computational complexity.

Segmenting the circular antenna path eliminates secondary lobes, enabling accurate digital elevation map generation.

A dual-frequency CW radar apparatus calculates eigenvalues of a correlation matrix to identify synthetic signal components.

Doppler-based projections resolve antenna size and bandwidth contradictions to generate high-resolution 3D images for small airborne platforms.

A distance measuring apparatus uses a signal interruption section to isolate the antenna from the filter during calibration.

Azimuth and elevation scans discriminate stationary aircraft from parasitic emissions, resolving measurement precision issues.

Distinct phase shifts across transmit branches separate signals, resolving the trade-off between angular resolution and hardware complexity.

A detection system generates unique backscattering signatures from reflected radio frequency signals to identify gun barrels.

A weather radar control system correlates onboard and external weather data to extend detection range beyond the physical limits of the primary sensor.

Parallel beam scanning reduces update time while maintaining comprehensive area coverage for accurate navigation.

A joint sensing and communication signal combines discrete chirp steps to transmit data while supporting radar functions.

Alternating low and high pulse repetition frequency waveforms across sequential dwells reduces computational complexity while maintaining measurement precision.

Combining primary and adjunct radar inputs resolves wind farm clutter interference, delivering accurate height estimation and improved signal-to-noise ratio.

A SAR measuring point device selects the optimal polarization pair with highest reflection intensity to generate measurement data.

An iteratively reweighted least squares algorithm estimates target velocity using statistical convergence thresholds.

A hybrid MIMO radar system creates a virtual array using analog and digital beamforming to generate ultra-high-resolution images.

Signal processing device calculates altitude standard deviation from range Doppler maps to determine collision risk.

Weather radar system processes X-band returns to generate high-resolution runway imagery.

Dimensionality-reduced sparse representation enables simultaneous 3D positioning and scene reconstruction using fewer sensors while handling high noise levels.

A radar system creates a feature map from successive scans to identify temporarily occupied regions for vehicle positioning.

A radar performance monitor generates a linear response signal to detect peaks in non-linear transmission signals.

A radar sensor arrangement uses a central signal evaluation device connected to multiple transmitting and receiving units via coaxial lines.

Beamforming analyzes received signal strength to detect objects, improving accuracy while avoiding extra hardware costs.

Alternating multiple oscillators eliminates settling time delays, enabling continuous real-time range and velocity measurements.

A radar apparatus generates interpolated sweep data between real sweeps to ensure complete image data updates across all distances.

A user device receives radar metadata from a base station to detect environmental reflections and determine object distance, velocity, and angle of arrival.

Comparing time to collision values from independent sensors verifies object plausibility, reducing false triggers in high density scenarios.

A radar controller stops operation when detecting moving objects to protect the receiving circuit from excessive reflected power.

Laser markers align reflectors perpendicularly to vehicle axes, resolving the trade-off between calibration accuracy and manual effort.

Comparing phase rotation and Doppler results resolves speed ambiguity without requiring high-speed AD converters.