Radio Wave Reradiation/Reflection TRIZ Cases

A single-channel radar method estimates target angular position by solving an equation linking Doppler frequency to antenna orientation.

Estimating oscillator drift via a factor graph resolves the trade-off between measurement precision and power consumption in multi-agent robotics networks.

Three antenna arrays capture backscattered electromagnetic energy to extract heart rate and respiration, eliminating privacy intrusion from optical cameras.

Probe arrays emulate echo signals across multiple domains, resolving synchronization limits in dynamic scenario testing.

Integrating position, power, detection size, and ambiguous Doppler data into a unified gating score resolves false target generation in noise regions.

A parametric time domain method processes sampled radar data to estimate spectral moments and filter ground clutter signals.

An integrated circuit processes incoming tone signals to determine IQ values and applies phase shifts to outgoing signals for distance measurement.

A radar detection threshold generator computes frequency domain percentile values to establish accurate obstacle detection zones.

L-looks processing aggregates SAR data to reduce volume while preserving deformation signals for efficient time-series analysis.

Dynamic gain control in OFDM radar systems iteratively adjusts beamforming coefficients to separate near and far range detections while reducing interference.

Dual frequency ramps resolve spectral ambiguity and reduce computational load in aircraft radar systems.

Arranging extracted radar velocity vectors to a common reference point and generating an approximation circle to calculate the target's actual velocity vector.

Calibration device actuates phase rotation and signal mixing to minimize phase shift deviations in oscillator systems.

Segmenting the antenna aperture into independent sub-arrays resolves the trade-off between volume coverage and height estimation accuracy in avian surveillance.

Coordinate transformation maps GMTI azimuthal errors into optical frames, enabling accurate track assignment without mechanical alignment.

A radar sensor determines an angle of arrival for detections and assigns them to equidistant electric angle bins.

A weather radar system detects non-hazardous regions using spatial frequency and reflectivity gradient parameters derived from Fourier transforms.

Smart radar merges AIS and chart data with user-defined masks to isolate unknown targets from visual clutter.

A vehicle radar apparatus switches code sequences to minimize signal interference between multiple detection units.

Artificial doppler modulation encodes radar waveforms with predetermined phase shifts to distinguish target reflections from external noise sources.

A vehicle object detection device uses position difference calculations to distinguish multiple reflections from a single target.

A tracking system filters false primary radar reports by calculating capture areas based on aircraft altitude and slant range data.

A parking system verifies edge detection using curb signal profiles to correct ultrasonic distance measurements.

Adapts distance history to a hyperbolic course with azimuth-dependent phase corrections for efficient Spotlight SAR data processing.

Hyperplane baseline arrays enable compressive sensing reconstruction, resolving the trade-off between elevation resolution and data collection time.

Orthogonal space projections separate target signals from clutter to optimize detection thresholds without sequential processing delays.

A detection system analyzes multidimensional signal components from passive identification tags to determine unique tag IDs.

A delay calibration method updates timing offsets in stepped frequency continuous wave digital signal chains using moving average amplitude analysis.

A measuring device automatically determines FMCW signal parameters and reconstructs ideal signals for display.

Sub-six-microsecond radar pulses resolve runway light centroids in heavy precipitation, enabling reliable centerline detection where infrared systems fail.

A SAR cross-range streak detector filters image artifacts to improve target pose estimation accuracy.

Aircraft weather radar processes beam sharpened returns to generate high resolution airport surface imagery for pilots.

Frequency domain bias correction compensates for signal attenuation in filtered radar data, preserving weather signal accuracy.

Evaluation unit compares ultrasonic obstacle positions with camera-derived free space boundaries to eliminate false positives from single-colored walls.

A target detection system processes sub-target scatterer amplitude and phase information to maximize constructive interference.

A radar transmission component maintains constant wave travel distance through the wall section.

A trained machine learning module estimates detected objects using frequency domain data from MIMO radar virtual channels.

Frequency hopping shifts FMCW beam tilt to resolve the cost of mechanical tilting.

Processes differential phase data between channels to correct time and phase references, reducing phase noise in bistatic SAR systems.

A vehicular radar system uses symmetric transmitting sub-arrays and a transmission power divider to form distinct main beams.

Phase spectrum evaluation distinguishes near objects in shared range-Doppler cells, resolving false alarm reduction trade-offs.

Hierarchical association resolves track accuracy versus processing complexity by merging multi-channel data into coherent global tracks.

Two-dimensional ESTER and SAMOS algorithms determine the number of overlapping targets to enable parametric high-resolution estimation.

Calibrates dual polarization radar systems using real-time spherical target reflectivity data to maintain measurement accuracy.

Middleware manages radar sensing across multiple applications through dynamic operational adjustments.

Alternating DC offsets during chirp periods shifts spur frequencies in radar baseband signals.

DeCCaF fills spectral notches with reference clutter data to mitigate nonstationarity effects and improve moving target detection accuracy.