Radio Wave Reradiation/Reflection TRIZ Cases

A wireless motion recognition system tracks hand gestures using channel state information from multipath signals.

A signal processing unit estimates target arrival angles using an annihilating filter method on stacked antenna data.

A complex pulse compression mismatch filter calculates adaptive coefficients for radar signals.

A state determination device acquires measurement values from synthetic aperture radar observations to assess ground surface conditions.

Combining ultrasonic scanning with radar data resolves environmental detection blind spots for small or high objects.

A secondary surveillance radar uses the Difference channel for transmission to extend target illumination time.

Synthesizing sensor data into a virtual radar with a 2D grid reduces latency and buffer memory needs, enabling compliance with air traffic control standards.

A magnetic field sensor coupled to a vehicle radar unit detects azimuthal misalignment by measuring changes in the local magnetic field.

Hilbert transform extracts phase noise from derotated FMCW radar signals to improve dynamic range.

Gap filler radar illuminates airport surveillance blind spots while target classification suppresses false targets from wind farm interference.

A handheld device integrates a single-chip radar system with a phased array transmitter and receiver to emit and capture reflected electromagnetic signals.

Processing circuitry segments radar tracks into persistent background and transient foreground components using temporal pattern analysis.

A detection validator compares beam patterns across adjacent and neighbor coherent integration time values to identify false radar detections.

A single band-pass filter handles varying beat signal frequencies by dynamically adjusting its pass bandwidth to match modulated frequency widths.

A radar processor applies correction algorithms using multiple Doppler frequencies to transform velocity data arrays.

Sensing device determines line of sight via channel measurements before activating service, improving accuracy and reducing power consumption.

A multi-spot inverse synthetic aperture radar method generates multiple dechirp reference signals to demodulate return signals from selected range intervals.

A radar modulation parameter detection system identifies current formats using temporal power level profile analysis.

Asymmetric antenna elements create dual main lobes to resolve angular resolution versus circuit complexity trade-offs.

An electronically scanned array weather radar adaptively adjusts element amplitude and phase to shape the radiation pattern.

Virtual antenna arrays improve angle determination accuracy without increasing physical antenna complexity.

A portable radar system leverages mobile computing devices to display and interact with target detection data.

A single ultra-wide band sensor detects position and motion using angle of arrival measurements.

A MIMO radar system uses optimized antenna spacing to resolve angle measurement ambiguities.

Extracted direct path signal aligns bistatic ISAR timing and phase, resolving asynchronous transmitter-receiver synchronization bottlenecks.

Symbol-by-symbol decoding with a Hadamard matrix reduces latency, increasing maximum detectable velocity for high-speed targets.

A selective weather data display system renders high-quality vector images on aircraft screens.

An automatic tuning device generates a control voltage to adjust the carrier signal frequency in magnetron radar systems.

Multiple millimeter wave radar sensors enable triangulation for precise object location estimation, overcoming ultrasonic detection range limits.

A millimeter wave radar sensor detects metal obstacles to fit a reference line for yaw angle calculation.

Array antenna measures radar signal propagation intensity to detect angular errors and enable precise sensor alignment.

A complex-valued image data compression method converts array values to scaled coordinate pairs in a magnitude-phase plane for efficient transmission.

Dynamic algorithm selection filters chirp signal interference, maintaining detection accuracy without increasing system complexity.

Amplitude image matching enables non-ambiguous two-dimensional displacement measurements using ground-based synthetic aperture radar data.

Multi-frequency weather radar system segments pulse transmission to enhance unambiguous range and velocity measurements.

A radar signal processing method uses sparsity enforcement to recover masked samples and preserve target integrity during interference mitigation.

Dedicated interpolation circuits in a radar signal processing unit determine peak cell positions, reducing Digital Signal Processor energy consumption.

Radar emitter and detector integrate into helicopter light fixtures to detect obstacles, reducing pilot situation awareness gaps during low-altitude maneuvers.

Variable transmission power reduces near-object interference, enabling accurate detection of distant targets.

A vehicle control apparatus adjusts rear side detection sensitivity based on estimated arrival times of approaching vehicles.

Apertured radar absorbing material shields transceiver antennas from environmental reflections during reflection coefficient measurements.

Mobile and stationary radar components determine end tool position and orientation through signal distance calculations.

A vehicular radar system classifies detected objects by comparing captured reflection responses against stored data sets.

Merges virtual boxes from previous detection cycles to compensate for disappearing objects, stabilizing polyline tracking for autonomous vehicles.

A SAR autofocusing method estimates phase error functions from azimuth signals of spatially distributed point targets.

A passive antenna system modulates backscattered radar signals using a microwave switch and distinct impedance lines to reduce energy consumption.

An adaptive pulse compression algorithm iteratively estimates range profiles to suppress sidelobes in radar signals.

A tracking device sets correction areas to score target echoes against previous data.

Co-located independent radar transceivers determine user identity via signal amplitude analysis, resolving voice interface identification accuracy challenges.