Radio Wave Reradiation/Reflection TRIZ Cases

A three-axis position system uses orthogonal coded signals and matched filters to determine device location and orientation via time-of-flight measurements.

A distributed radar system uses multiple non-coherent modules to capture surroundings with high lateral accuracy.

Low-cost FMCW radar detects presence by measuring signal periodicity within vital ranges, resolving missed detections caused by unreliable threshold settings.

Weighted correlation matrix integration suppresses cross-interference in uneven antenna arrays, improving azimuth separation accuracy.

An ADS-B system transmits ownship and surrounding aircraft positions via a secure UDP/IP network to enhance visual acquisition.

A vehicle radar system synthesizes a virtual aperture using multiple scans to enhance angular resolution.

An iterative autofocus method estimates unknown antenna positions to produce well-focused radar images.

An interference monitoring component detects signals in quiet sub-bands of the digital intermediate frequency stream.

A Mode S radar verifier matches acquired aircraft IDs against stored addresses to eliminate CRC errors and ensure accurate target reports.

A side-looking radar system emits radio waves sideways from a moving vehicle to generate high-resolution 2D or 3D environmental maps.

Radar sensors capture spatial data to produce a distortion-free top view, avoiding the high cost and complexity of optical camera systems.

Dynamic mode switching between detection and communication resolves the trade-off between data timeliness and object detection reliability.

Lookup table generator stores phase compensation values for each distance to correct MIMO radar signals without requiring large anechoic chambers.

Segmented FMCW chirps and a periodic dwell list reduce processor load while maintaining range resolution for pedestrian differentiation.

A digital PN code circuit generates squitter pulses at a controlled rate, preventing transmission instability caused by external thermal noise interference.

Shipboard radar systems calculate a centroid for clustered contacts to resolve ARPA clutter confusion and prevent missed threat alerts.

A radar object detecting apparatus distinguishes ghost targets from real vehicles by analyzing positional changes and receiving levels of targets running side by side.

Neural networks analyze SAR backscatter signatures to extract object coordinates and measurements from radar data.

A radar system generates range-elevation maps to calculate object heights from reflection signals.

A radar device segments detection into stationary and moving pathways using Doppler thresholds and position calculations.

Azimuth calculation device segments two-dimensional FFT into independent one-dimensional processes using vector decomposition to determine direction of arrival.

Phase compensation corrects range differences in MIMO radar matrices, resolving velocity ambiguity and angle measurement errors.