Radio Wave Reradiation/Reflection TRIZ Cases

Segmenting MIMO transmissions with unique pulse repetition frequencies resolves motion-induced phase ambiguities to improve Doppler estimation accuracy.

Segmenting the antenna into controlled sub-elements suppresses side lobe interference while maintaining main lobe gain for accurate object detection.

A tracking filter maintains linear relations in polar form to process millimeter wave signals.

Controller generates prediction information for objects in shadow areas to resolve information loss and improve detection accuracy.

A bistatic SAR system transmits radar and synchronization signals on a single carrier frequency to simplify hardware architecture.

Models speckle noise as a Poisson distribution to detect sea targets, resolving the trade-off between accuracy and processing complexity.

Averaging range-Doppler maps enables blob detection to distinguish sensor blockage from empty fields, resolving accuracy and processing efficiency trade-offs.

Circulating MIMO radar waveforms through transmission channels with constant time shifts.

An estimating device determines horizontal and vertical axial misalignment angles using stationary reflection point data.

A memory management system filters signal strength data to reduce random access memory consumption during mobile device tracking.

Replacing manual tools, an IMU measures gravitational and rotational data to calculate radar alignment offsets, reducing labor time while maintaining precision.

Time and frequency domain coherence analysis identifies broadband RFI with reduced computational effort.

Multiple receivers measure time differences in reflected waves to determine object movement direction, resolving ceiling-mounted radar detection limitations.

A radar pulse generator uses a multiplexer and polyphase synthesizer to switch signal channels for real-time frequency hopping.

Vision-guided polyphase filters reduce clutter artifacts in enclosed spaces for precise object detection.

A memory-based FMCW radar system processes orthogonal I-Q signals to achieve high-resolution distance detection.

Multiple oscillators eliminate settling time between chirp transmissions while RFBIST verifies signal integrity.

Millimeter wave radar calculates energy intensity, signal-to-noise ratios, and width information to classify pedestrians from street trees.

A radar device uses dual frequency ranges to extract peak signals based on estimation results.

Alternating radar transceivers between monostatic and multistatic modes filters ghost locations while reducing device complexity.

A vehicle radar device segments coupling ranges to distinguish detection points from different objects.

A radar signal processing method uses a skip condition to omit averaging operations on stable frames.

Randomly omitting chirp pulses via a controller reduces cross-talk interference while maintaining measurement precision.

A Doppler-acceleration matched filter processes radar return signals to separate moving targets from stationary clutter.

A vehicle radar system combines amplitude sensing monopulse and digital beamforming to transmit phase-shifted signals.

A mobile terminal detects UWB capability through BLE advertising packets and displays a ranging instruction object on the device list screen.

A TCAS-equipped aircraft transmits Mode S interrogations to determine range and bearing of nearby targets using time-of-flight measurements.

Vertical separation of radar antenna phase centers reduces ground bounce interference while extending detection range.

A moving-target detection system deforms transmission waveforms based on estimated Doppler shifts to enhance sensing accuracy with a single sensor.

A collision avoidance system displays target positions using visual indicators that identify the specific sensors providing data.

A measurement apparatus uses two antenna pairs with different spacings to determine target direction and distance via phase difference signals.

Dynamic online calibration updates radar phase offsets in real time, eliminating offline downtime and preserving measurement precision.

Polynomial processor replaces linear phase accumulators to eliminate phase truncation errors and reduce memory usage in high-bandwidth radar systems.

Segmenting transmission and reception devices with optical fiber links extends detection range while reducing structural weight.

Alternating chirp signal repetition periods resolves phase rotation ambiguity and incorrect target association in multi-target environments.

Deep neural network separates mixed radar signals to improve detection accuracy without complex filtering.

A vehicle radar system transmits interleaved FMCW chirp signals to generate a synthetic aperture for improved bearing quality.

Self-calibration filters correct phase errors in marine radar systems to maintain high range resolution despite temperature variations.

A phase difference locked loop circuit uses two receivers out of phase by less than a wavelength to correct frequency drift and detect physiological changes.

A configurable multichip automotive radar system uses master and slave ICs sharing common timing signals for coherent down-conversion.

Segmenting radar signals into frequency intervals reduces resource saturation while maintaining measurement precision.

Bidirectional distance measurement device calculates flight time using independent reference signals.

A MIMO radar sensor method uses FFT-based matrix approximation to estimate target angles with reduced computational complexity.

A radar signal processing device extracts feature quantities to determine object categories.

A distance measuring apparatus uses template signals to correlate with delayed impulse reflections for precise time determination.

A radar system-on-chip employs an internal loopback path to monitor gain, phase, and noise parameters, ensuring functional safety within 100 milliseconds.

A signal processing device reduces beat signal amplitude at phase shift timings to convert signals into the frequency domain.

Occupancy grid maps select optimal radar sensor mount angles, eliminating time-consuming prearranged calibration targets.

Configuring network nodes with waveform orthogonality schemes improves target detection accuracy while managing signaling complexity.