Radio Wave Reradiation/Reflection TRIZ Cases

A coherent radar combining system adjusts phase and time delay to sum composite target echoes for improved signal gain.

Self-diagnosis device generates orthogonal IQ signals via frequency mixing to evaluate phase shifter performance accurately.

Replacing acoustic delay lines with optical waveguides enables ultra-broadband operation up to 18 GHz while maintaining phase coherence for precision tracking.

Vertical beam switching calculates terrain angles to adjust radar antenna position errors caused by dynamic airframe deformation and atmospheric phenomena.

Iterative angle estimation resolves closely spaced objects by refining beam vectors, reducing computational complexity while maintaining accuracy.

Dual-polarization receive channels filter interfering radar signals, preventing A-to-D converter saturation and preserving measurement precision.

Variable delay control synchronizes reception clocks with transmission pulses, resolving distance resolution and device complexity contradictions.

A radar return signal processing apparatus estimates an optimum mixed density function to extract target echoes from clutter signals.

A modular processing framework rearranges late sensor measurements in temporal order to recalculate state information efficiently.

A mobile radar system models second-order phase shifts to separate low-energy targets from high-energy reflectors.

Segmenting velocity measurements into intervals allows an AI engine to resolve ambiguities between resolution and unambiguous range.

A vehicle radar system merges sensing information from distinct modulation modes to determine target angle data.

A controller extracts transverse location data from radar tracks to generate short-term and long-term histograms for mirror track identification.

An aerial device applies signal delays to simulate virtual ranges for radar calibration.

A radar device uses a 90-degree coupler to generate baseband signals from incident and reflective waves.

A distributed non-coherent monopulse radar array uses fixed antenna segments to detect objects across a wide field of view.

Encoding phase shifts across pulse repetition intervals separates overlapping echoes, reducing signal-to-interference ratio degradation in broad swath imaging.

A tag reader transmits wireless signals with controlled energy to determine the location of a battery-less wireless tag.

A sparse MIMO radar system synthesizes a virtual array to estimate missing antenna data using iterative adaptive algorithms.

Maximum likelihood estimation calculates three-dimensional residual motion errors from radar scatterer data to correct inertial navigation system biases.

A receiver system segments signal paths into primary and auxiliary branches with distinct attenuation levels to extend instantaneous dynamic range.

A radar system estimates channel responses using calibration signals to generate self-interference correction signals.

RF sensing converts channel state information into surface maps for accurate pose estimation, bypassing occlusion and lighting limits of optical systems.

A vehicle control system determines radar sensor alignment by comparing detected object speeds against the host vehicle speed to verify field of view orientation.

Motion compensation corrects platform drift in synthetic aperture radar frequency arrays to restore signal integrity.

A multifunctional automotive radar system adjusts beamforming coefficients to redirect side lobes and minimize mutual interference between transceivers.

A calibration laser mounted on a sliding member aligns radar auxiliary devices across different vehicle models.

A first device locates target objects using two types of pulse signals with different pulse repetition frequencies.

A unified Doppler filter bank eliminates complex bank switching by comparing outputs against clutter maps to select the highest signal-to-clutter ratio.

Continuous-wave radars measure distance, elevation, and azimuthal position of ground obstacles using monopulse deviation processing.

A wireless transceiver performs orthogonal precoding on radar receive signals to preserve angular information.

Determining unit analyzes elevation angles to detect vertical axis misalignment in vehicle-mounted radar devices.

A Barankin estimator derives pixel heights from coherent radar data collected during a single nonlinear flight pass.

Chirp waveform processing detects overground elements, resolving height measurement inaccuracy against system complexity.

Communication satellites timestamp reflected L-band signals to form active images of terrestrial targets.

A vehicular radar system generates phase-modulated signals using hybrid random sequences derived from ADC thermal noise and pseudorandom generators.

Non-coherent integration of adjacent range cells recovers dispersed target information lost during high-resolution processing, improving detection reliability.

Segmenting backscattered signals into frequency-specific sidebands resolves measurement precision limits in noisy multi-device environments.

Combines distinct cross-correlation functions to detect moving objects without speed interference, resolving accuracy and complexity trade-offs.

Distributed FMCW radar antenna arrays process digital signals to detect range and speed, ensuring reliable perception in adverse weather.

A radar system estimates azimuth angle errors using relative speeds and angle distributions of reflecting points.

Merges antenna, baseband, and RF modules onto a single PCB to reduce apparatus size while maintaining signal transmission reliability.

A pulse radar ranging apparatus detects distance and vibration amplitudes using radio frequency signals.

A passive RFID sensor network harvests electromagnetic energy to detect occupancy without wiring, eliminating installation complexity.

Controller synthesizes main lobe from sparse antenna array data to enhance angular resolution.

Weather radar system alternates scan modes to detect birds and bats, resolving conflicts between weather refresh rates and strike hazard identification.

Mismatched FMCW radar signals enable precise distance determination while enhancing spoofing resiliency against interference.

Variable spacing between radar nodes resolves angular measurement ambiguity while maintaining high resolution.