Radio Wave Reradiation/Reflection TRIZ Cases

A radar device segments azimuth estimation into parallel one-dimensional processes using a virtual array and physical antenna array to reduce computational complexity.

An observation matrix transforms object states into a measurement domain to resolve range and velocity calculation errors from neglected Doppler contributions.

A single link ADS-B system merges air-to-air and ground-based functions on 1090 MHz to resolve spectrum congestion while maintaining accurate aircraft tracking.

Parallel border lines from radar clusters detect parking rows without reference points, resolving complexity in varied movement conditions.

Dual repetition rates align frequency samples in range velocity matrices, resolving aliasing errors for accurate multi-reflector detection.

Adjacent radar devices switch to a narrower modulation band to cover failed sensor zones, maintaining continuous monitoring without operational disruption.

Segmenting the radar apparatus into separated modules reduces starting time and improves object detection performance through coordinated control.

A dual-polarization radar system generates geo-referenced data and precipitation mosaics using horizontal and vertical polarization signals.

A wireless presence detection system extracts statistical features from channel state information to identify user motion within indoor spaces.

A radar blindness detector calculates blockage probability using optical and ultrasonic sensor data to improve detection reliability.

Fixed sectorised antennas link to a stand-by TR/RX channel to process unsolicited squitter transmissions independent of azimuth position.

A radar sensor uses linear predictive encoding to generate expected signal patterns for accurate target detection.

A radar system adjusts antenna groups to maintain imaging quality across varying distances.

A tracking processor estimates target movement state using stored echo information from prior scans.

A distance sensor detects echo signals in the post-oscillation interval by integrating reverberation energy over time to determine signal presence.

FMCW radar systems broadcast Morse-coded call signs using GPS-synchronized timing windows to maintain spectral compliance.

A dual-frequency microwave detection device distinguishes objects behind obstructions by exploiting frequency-dependent attenuation differences.

Segmenting radar frequency spectra reduces computational load while maintaining classification accuracy for semi-automated driving.

A radar system determines object distance by correlating reflection code sequences with assistance codes stored in a lookup table.

A satellite altimetry system shares a single antenna and reception unit for altimeter and radiometer signals.

A radar sensor synthesizes a virtual aperture using relative speed data derived from detected signals.

Reflecting SSR/IFF signals off non-transponder aircraft detects presence while reducing system complexity.

A radar device creates virtual array antennas through transmit signal phase manipulation to enhance angular resolution.

An open-loop circuit replaces discrete phase-locked loops to reduce power consumption, area, and noise susceptibility in automotive radar systems.

Integrating a ground penetrating radar onto an excavator bucket eliminates the time loss from switching implements while maintaining measurement precision.

A two-dimensional antenna array transmits radio signals to generate radar images of concealed surfaces.

A radar system maps positive frequency peaks above the Nyquist limit to a negative domain for target location determination.

Signal processor removes clutter interference from beat-signal samples to detect small radar cross-section objects.

Dividing continuous chirp signals into discrete segments with dynamic frequency shifting eliminates resettling delays, increasing radar measurement repetition rates.

A radar spatial imaging method generates range Doppler channel images to estimate scatterer parameters using maximum likelihood processing.

A radar device uses dual-frequency signals to resolve phase difference folding ambiguities in target direction estimation.

Ground stations process ADS-B data via XML conversion and TCP/IP transmission, eliminating airline investment costs for older aircraft avionics.

A vehicle detection system determines parking slot slant angles by rotating coordinate data and calculating projection profile entropy values.

Calculates correlation matrix eigenvalues to assess measurement credibility against external noise.

A presence detection system fuses infrared thermal signatures with radar vital sign data to verify human occupancy.

A distributed radar processing architecture segments antenna arrays across multiple integrated circuits to compute range-Doppler maps independently.

Radar apparatus calculates beat signal power integral to classify cruise environments and adjust detection thresholds.

A coaxial sensor arrangement merges radar and lidar modules using a wavelength-selective deflector to share a common beam path.

Electronic control unit combines radar distance data with video classification to track pedestrians outside the radar field of view.

A distributed radar system combines independent small apertures into a large coherent virtual array using signal processing.

A two-element array antenna system uses frequency multipliers to generate calibration signals at sub-multiple frequencies for phase alignment.

Controller calculates speed-scaling, azimuth, and elevation misalignments from stationary objects to correct dynamic vehicle drift.

A radar processing system allocates additional pixels to trackable contacts based on their distance from the display center.

Adjustable MIMO radar sensor units resolve ultrasonic range and accuracy limits through interferometry.

Time-division multiplexing interleaves ramp sequences to enable two-dimensional Fourier transformation of baseband signals for angle determination.

Angled mmWave radars resolve privacy and low-light constraints by combining multi-angle data points to track subjects without optical cameras.

Comparing received signal strength against a filtered threshold excludes false targets caused by multi-source interference, improving tracking reliability.

A reconfigurable radar unit detects interference arrival direction and adapts transceiver configurations to quieter sub-bands.

A radar sensor monitoring unit calculates the visibility range gradient to detect performance issues.