Radio Wave Reradiation/Reflection TRIZ Cases

Staggered pulse repetition intervals enable single-channel radar to generate synthetic aperture and ground moving target indicator imagery from identical returns.

Delay-tap filters correct heterogeneous material reflections by removing multipath distortion and transmit pulse variations for higher resolution.

Ground transmitter and satellite receiver detect small space objects near geostationary orbits, overcoming limited coverage of existing surveillance methods.

A handheld device merges radar waveform signatures with image data to determine object types and positions.

A synthetic aperture radar system steers its beam in azimuth and rearward directions to acquire high-resolution image data from multiple areas.

Velocity-direction histogram analysis filters interfering signals in FMCW radar systems by assigning detections to bins based on computed velocity and direction values.

A method measures time offsets between data packets to determine device distance using a shared communication channel.

A radar system determines phase shifts by analyzing direct crosstalk signals between transmitting and receiving channels.

Constructs Lp norm profiles of weather radar radials to detect RFI, preserving precipitation data accuracy amid growing spectrum congestion.

Higher-order correlations in a coincidence circuit replace complex mechanical scanning, reducing data storage needs while improving image resolution.

Segmented radars and computing units fuse trajectory data to enable non-cooperative collision avoidance while reducing device complexity.

Computing spatial phase change rates across virtual array subarrays resolves velocity-induced phase ambiguity in TDM-MIMO FMCW radar systems.

Multi-aperture synthetic aperture radar uses variable pulse repetition rates to eliminate blind areas while maintaining high azimuth resolution.

A radar estimation apparatus selects stationary reflection points from divided detection regions to determine axial misalignment angles.

A vehicle radar apparatus extracts periodicity information from frequency spectrum data to isolate target signals from environmental reflections.

Reducing SAR range resolution allows detection of large motion errors, enabling phase corrections that restore image focus beyond conventional autofocus limits.

Dual beamforming maps classify radar reflection points using amplitude ratios to distinguish physical targets from side lobe artifacts.

Switching transmission frequency bands prevents continuous alignment with external interference, improving signal-to-noise ratio and target detection accuracy.

A dual-beam SAR antenna transmits and receives pulses simultaneously through forward-looking and aft-looking beams to illuminate moving targets.

A personal radar system detects object presence and movement by measuring changes in wave-propagation path length using synchronized clocks.

A radar system adjusts range and frame-rate settings based on digital map data to optimize object detection.

A hardware accelerator engine processes radar data signals using concurrent sorting units and pseudo-cache memory to identify potential targets.

Pre-calculated lookup tables reduce quadratic computational complexity, enabling accurate range resolution for multiple targets in dense environments.

A millimeter wave detection system identifies gun barrels by correlating reflected pulse energy with stored resonant frequency signatures.

Transforming time-domain signals to the frequency domain reduces computational complexity while maintaining range and velocity measurement accuracy.

A target reflector moves along a track to the perpendicular bisector of two radar systems, enabling accurate distance measurement for bistatic operations.

Aperture switching and time-division multiplexing simulate multiple virtual receivers, reducing hardware complexity while maintaining detection precision.

Segmented radar sensors with holographic illumination discriminate moving targets from wind turbine clutter, restoring detection accuracy in shadowed regions.

A radar apparatus uses a movable support and dual accelerometers to detect sensor alignment errors.

Dynamic and static complex clutter maps subtract wind turbine interference from radar signals, enabling accurate aircraft detection near airfields.

Estimates radar axial displacement via distinct modulation methods, removing the need for an additional imaging apparatus.

A vehicle sensor system detects radar misalignment by comparing live data against high-density maps.

A vehicle surrounding situation recognizing device switches from radar to internal camera image information after detecting a collision.

A two-dimensional folding method processes radar return signals to estimate Doppler and azimuth frequencies for precise target identification.

Onboard image generation reduces transmission volume and enables earlier target detection.

Adaptive radar clutter removal identifies static objects using real-time trajectory patterns and Doppler velocity data.

Phase compensation module corrects oscillator frequency differences in bistatic SAR systems to maintain imaging focus accuracy.

A radar device computes cross-range velocity by extracting in-area reflection points from multi-frequency continuous wave signals.

Dynamic resampling corrects rotational phase errors in ISAR imagery, enabling extended integration times and accurate target classification.

A radar signal processing method separates Doppler outputs into alternating current and direct current magnitudes to generate distinct energy lines for stationary target analysis.

Sinusoidal phase center motion encodes angle and Doppler information orthogonally, resolving ghost targets from angle-Doppler coupling.

A radar axial displacement judgment device calculates difference values between G and YG sensor accelerations to detect position changes.

A radar altimeter partitions acquisition time into multiple range gates to simultaneously position them within a search area.

A threshold-based filtering method classifies P3-coded radar signals to remove sidelobe artifacts.

Segmenting the antenna aperture and subtracting weather returns eliminates beam shape contamination, enabling precise terrain elevation measurement.

Radar system updates calibration matrix using Doppler scattering from detected stationary objects during vehicle travel.

Segmented corner reflectors resolve mounting tolerance constraints by allowing accurate elevation and azimuth adjustment without tight positional requirements.

A built-in self-test system couples multiple analog nodes to a single monitor ADC via switchable connections.