Electromagnetic Wave Reradiation TRIZ Cases

Alternating long and short chirp patterns in a fast-scanning FMCW lidar system boosts frame rates by reusing Doppler data from initial frames.

IQ processing differentiates true peaks from image peaks caused by Doppler shifts, enabling accurate target location determination.

A distance measuring device uses polarization control to direct measurement light without mechanical mirrors.

Periodic disconnection of amplifier and photodetector components during transmission pauses reduces heat generation in vehicle laser scanners.

A time-of-flight sensor uses wavelength-selective filter patterns to enable simultaneous multi-wavelength detection across distinct pixel arrays.

A detector uses transmissive deflecting elements to modify speckle grain distribution across a pixel matrix array.

A range detector device generates a measured range value and an estimated statistical spread based on pulsed light source characteristics.

Mechanical coupling synchronizes rotation across a MEMS mirror array, reducing system size and power consumption while maintaining tracking accuracy.

Weighted histograms analyze rotated point clouds to detect L-shapes, reducing computational complexity for vehicles with ambiguous corners.

Pulsed wavelength modulation in a coherent light source enables high-precision distance measurement by resolving environmental interference limitations.

An indirect Time-of-Flight sensor uses a multi-tap pixel structure to increase effective modulation frequency, reducing depth noise at longer distances.

Adjustable apertures resolve complexity trade-offs by controlling beam divergence and attenuating extraneous light.

A time-of-flight distance measurement circuit uses lookup table interpolation to process histogram data.

Far-infrared radiation heats the window cover dynamically, eliminating hot wire obstruction and restoring optical efficiency in adverse weather.

A LiDAR system determines emitted pulse beam width to compensate for detector bloom responses from retroreflectors.

Optical antenna elements with phased arrays control light directivity to resolve image resolution limits imposed by speed of light constraints.

A LiDAR optical arrangement uses a deflection unit to branch beam paths into separate biaxial trajectories.

Segmented short and long range lenses resolve the trade-off between device complexity and measurement precision in LiDAR sensors.

A reconfigurable correlator uses multi-gigabit serial transceivers to convert analog signals into digital samples for high-speed correlation.

A semiconductor optical amplifier splits a master laser signal into multiple channels, increasing sample rate without adding system complexity or cost.

Rotatable mirrors align transmission and reception paths to eliminate optical crosstalk between the light source and detector.

Alternating driving signals across odd and even columns compensates for voltage transfer delays to maintain depth information accuracy.

A scattering plate creates a uniform secondary light source for an electro-optical distance meter.

A lidar system uses a digital micromirror device to direct scattered light pulses toward a detector array for precise distance measurement.

A single-pixel sensor measures time signatures of reflected light pulses to generate one-dimensional reflection signals for object recognition.

A mobile automation system merges angular lidar scans into a unified point cloud dataset for inventory tracking.

Segmented VCSEL arrays illuminate fields of view to resolve illumination intensity versus device complexity contradictions in low power ladar sensors.

Segmented transceiver array with dynamic beam steering resolves trade-off between scanning resolution and device complexity.

A distance-measuring unit merges emitter and receiver functions through a shared refractive optical system.

Phase locking variable frequency oscillators to received signals measures time-of-flight without expensive sub-nanosecond timing circuitry.

A ranging device adjusts comparison thresholds based on ambient noise to optimize signal detection.

Centrifugal force generated by a rotating sensor housing diverts liquid away from optical windows while radial fins dissipate heat to maintain reliability.

Navigation system estimates vehicle pose using LiDAR point clouds and Unscented Kalman Filter to reduce error accumulation in complex urban environments.

A light scanning device reduces accumulated electric charges in a receiving element via timed control processes.

A control circuit switches SPAD recharge methods to optimize photon detection accuracy.

High repetition rate sub-pulses reduce photon temporal uncertainty and jitter, enabling precise single-shot distance measurement.

A lidar calibration method detects mounting misalignments using odometry data to determine yaw and pitch offsets for continuous system adjustment.

A LiDAR receiving control method determines echo characteristic values to calculate baseline voltage fluctuations and adjusts the sampling threshold.

Asynchronous per-detector phase comparison triggers events when depth changes exceed thresholds, eliminating motion blur from frame accumulation.

Sequential antenna switching achieves angle estimation accuracy while lowering power consumption and chip area.

Dual-surface lidar detectors eliminate optical circulators by forming standing waves, resolving complexity and signal-to-noise ratio trade-offs.

Asymmetric beam paths and local quality curvatures divert windshield reflections away from reception paths to prevent scattered light interference.

An inclined electromagnetic wave transmissive cover uses an anti-reflective portion to reduce reflection of near-infrared rays.

An array of light emitting elements emits different wavelengths to suppress multipath interference and enhance three-dimensional shape measurement accuracy.

Segmented spherical lenses concentrate reflected infrared light to resolve illumination homogeneity and intensity trade-offs in distance measurement.

A liquid shutter switches optical paths via electrowetting to enable rapid distance measurement.

Curved surface regions preserve spatial distribution signals during training, reducing computational costs and avoiding zero-dimensional data compression.

A tunable optical filter decouples wavelength scanning from a fixed laser source, reducing system footprint while maintaining measurement capability.

Heating structures on a lidar glass cover act as reflection patterns to detect angular shifts and correct measurement precision without external equipment.

Segmenting FMCW LIDAR acquisition into variable sub-phases reduces bandwidth noise while maintaining high-speed distance measurement accuracy.