Radio Wave Reradiation/Reflection TRIZ Cases

An analog quadrature feedback loop cancels reflector-induced phase and frequency shifts, improving radar SNR and detection range.

Clustered scattered points and prior centroids stabilize radio wave target positioning and improve multi-person biological signal capture.

Optimization-based denoising improves radar, lidar, and sonar range, angle, and speed estimation without raising transmitter power.

Differentiated base phase shifts and temperature compensation help FMCW radar reduce false Doppler peaks and inter-transmitter coupling.

A polypropylene-glass fiber housing material balances low dielectric constant, strength, heat resistance, and near-infrared laser welding.

Graph regularization jointly denoises SAR array signals and estimates platform position shifts to recover focused images under noise and perturbation.

Multiple RFID readers alternate between interrogator and listener modes to extend tag detection range and improve location accuracy.

Precomputed reflection paths and power-time comparison help SSR distinguish real aircraft returns from multipath false targets.

Operator feedback and ML mapping adjust radar sensitivity in real time to separate clutter from true targets and cut false alarms.

Multiple radar target simulators vary echo phase to recreate multipath ghost targets, helping radar distinguish false and real detections.

Local radar noise estimation and object-specific RCS and Doppler thresholds reveal concealed objects near detections for safer vehicle path control.

Interspersed single-transmitter calibration corrects phase shifter drift, reducing modulation artifacts in multi-transmitter radar.

Bit-level hardware acceleration processes radar peak-detection bitmaps with lower latency and energy than CPU or DSP bitwise handling.

RF radar with MIMO antenna arrays overcomes camera and LIDAR weather limits to deliver reliable range, speed, and direction sensing.

Local preprocessing on radar chips cuts central compute load and data throughput demands in large antenna arrays for automated driving.

Using a UE as the radar receiver separates transmit and receive paths, cutting self-interference and improving bistatic sensing accuracy.

Scrambling phase rotations spread DDM-induced spurious energy across the Doppler spectrum, reducing false detections in MIMO radar.

Per-channel phase modulation lets one reference signal calibrate all receiver channels while separating interference and simulating angled plane waves.

Millimeter-wave antenna arrays in non-active screen areas sense gestures or biometrics without camera use, touch input, or display interference.

Stationary radar clusters from guardrail posts define a behind-guardrail region, filtering irrelevant objects with less computation.

Vertical weather cell profiling and echo power residual analysis help aircraft radar detect ice crystals at longer range with fewer nuisance alerts.

A least-spurious spectrum approach resolves Doppler ambiguity and phase errors in TDM MIMO radar using single-frame velocity estimation.

Critical distance intervals and object permanence checks help radar distinguish real moving targets from shadow false alarms.

By matching RF signals to material resonance frequencies, this case improves detection specificity and localization without complex imaging hardware.

Interleaved phase-law beam steering uses idle listening time to image separate target areas and shorten SAR/ISAR acquisition.

Object-specific SAR coherence estimation uses geolocation-aware masks and adaptive windows to avoid irrelevant pixels on small, complex shapes.

A single passive radar receiver measures or adapts to transmitter beam sweeping to improve range estimation and object detection accuracy.

A stationary feed horn, waveguide, and reflector cut slip rings and rotary joints, lowering radar cost while improving reliability.

Sparse radar reflections are mapped into an occupancy grid and fed directly to a neural network to improve real-time object detection.

Vertically offset transmit antennas enable compact MIMO beam steering with lower side lobes, better angle estimation, and longer radar range.

Overlapping sparse transmit arrays and orthogonal waveforms improve angular resolution and side-lobe suppression without enlarging the radar antenna.

Buffered vehicle radar tracks nearby objects before and after a crash, preserving trajectory data for fault analysis and dispute resolution.

Range-Doppler filtering of ground radar backscatter improves vehicle motion estimation accuracy while suppressing clutter and distortion.

Progressive phase shifts steer the main lobe off boresight so sidelobe returns can distinguish clutter and detect off-axis targets.

Multiple aircraft sensor feeds are compared with safe area history in the cloud to detect runway threats despite radar attenuation and weather.

Angle and temperature compensation of radar reflection intensity helps evaluate bumper shielding quality without degrading target detection accuracy.

Attention-based BEV normalization aligns different radar data types with camera features, improving 3D object detection in vehicles.

Linear changes in frequency position and timing improve radar distance resolution and speed accuracy with lower signal processing outlay.

Filtering leakage from Wi-Fi multipath signals enables more accurate occupancy detection, range estimation, and sensing of minimal motion.

A split SIMO-MIMO radar waveform uses discrete phase coding to preserve speed range while improving angle resolution.

Combining calibrated radar channels from different frequency bands expands bandwidth, improving ranging accuracy and target separation.

Multiple frequency-separated SAR feeds fill subswath gaps to extend swath coverage and maintain contiguous high-resolution imaging.

Echo energy indexes from UWB radar pulses detect people assemblages with low processing load while avoiding image recording and protecting privacy.

Space-time radar reflections help neural networks segment sparse vehicle radar data into moving objects, stationary objects, and noise.

Digital beamforming weights create and shift radar nulls to suppress multipath interference without nulling target signals.

Alternating receive beams and variable PRFs let SAR overlap subswaths, widen swath coverage, and avoid Doppler ambiguity in one pass.

Simplified weather-severity polygons cut flight management computing load while preserving obstacle avoidance for safer, efficient routing.

Unequal antenna spacing and virtual antenna pairs improve radar phase compensation across wiring, circuit, and clock delays for more precise detection.

A polarity-separated test path lets radar sensors detect contamination and signal disturbances without disrupting normal object sensing.

By varying chirp center frequency and transmission interval together, this radar case reduces peak broadening without extreme timing control.