Radio Wave Reradiation/Reflection TRIZ Cases

A compound measurement model tracks expanded object states using probabilistic distributions constrained to the object contour.

Segmenting radar into orthogonal polarization channels selects the highest signal-to-noise ratio, improving detection reliability in noisy environments.

Comparing channel impulse responses between UWB devices prevents false early peak induction that compromises time-of-flight accuracy.

Evaluation device performs Fourier transformations on measurement signals from multiple cycles to extend integration time.

Dual-cluster processing reduces radial length measurement error by 11.6% compared to classical window methods.

A range-velocity mask filters secondary lobe echoes in airborne radar reception chains.

Determining elevation misalignment angle using frequency distribution of radar object locations from multiple antenna characteristics.

A MIMO radar system synthesizes virtual channels using phase rotators and BPSK modulators to enhance angular resolution.

Time delayed range gates resolve phase shift ambiguities in FMCW radar systems.

A vehicle radar controller calculates a virtual two-dimensional antenna array response to determine elevation angles from sparse physical elements.

A fused camera and radar system provides accurate object height data through spatial signal processing.

A radar targeting unit adjusts detection thresholds based on historical peak connections to identify valid targets.

A radar system turns off transmission during silent intervals to receive signals from other radars and estimates their parameters.

Processor determines frequency, time, and phase corrections using cross-module radar data to synchronize separate modules without a shared clock.

A prow radar obstacle simulator system uses an RF absorbent hood and signal processing to generate echo signals for aircraft radar testing.

Low-pass filtering the reference signal reduces peak sidelobe levels and maintains resolution despite Doppler shifts.

A dual-channel synthetic aperture radar system sums pixel amplitudes to extract a ship mask and calculates characteristic dimensions from phase differences.

A vehicle control unit dynamically manages radar sensor switching states to minimize activation times.

Combines CW velocity data with FMCW distance measurements to differentiate real targets from ghost targets in complex environments.

Pre-calculated Doppler velocity maps enable accurate overhead object detection without waiting for antenna null points, reducing determination time.

Adjusting unit synchronizes sampling timing with the modulation cycle, preventing detection accuracy decrease from cycle deviations.

Radar sensors detect static surface radial velocities to calculate linear velocity, eliminating inertial measurement unit drift in GPS-denied zones.

Radar system identifies active targets by mixing fixed frequencies with tag responses, resolving FMCW compatibility issues.

A radar signal processing device adjusts echo levels at detected locations to maintain high output for fast-moving targets.

Segmented filter units generate target kinematics state vectors in Cartesian space to resolve measurement precision issues for rapidly accelerating targets.

Segmenting time-on-target into multiple CPIs with different PRFs resolves range and velocity ambiguity while maintaining coherent integration energy.

A transmitter generates a chirped FSK modulated signal combining communication data and radar measurement for simultaneous operation.

A dual polarization radar system injects simulated atmospheric test signals through its antenna to calibrate internal components without external equipment.

Dynamic frequency bandwidth adjustment improves distance resolution without reducing maximum detection distance in complex driving environments.

Real-time motion compensation stabilizes vertical profile displays, reducing pilot workload caused by erratic tracking of moving weather and aircraft.

Correlating received signals with Gaussian pulse templates improves range resolution and reliability for presence sensing.

Time-domain filtering of beat signals suppresses erroneous interference detection caused by azimuth direction level fluctuations, maintaining high SN ratios.

Analyzing lateral position changes distinguishes moving vehicles from stationary objects at low speeds.

A radar device estimates object height by collating actual null point patterns with modeled patterns to determine collision risks.

Piloting assistance device compares obstacle sight angles against a main guard curve to identify the most dangerous threat for low altitude flight.

Segmented radar signal processing determines object speeds and distances using distinct modulation periods.

A sensor network merges active and passive radar data to detect objects using ambient radio wave reflections.

Applying a phase shift to intermediate sub-aperture SAR images restores phase consistency, enabling accurate coherent change detection and autofocus.

Compensates for motion blurring in RF imaging by applying movement data to raw measurements, maintaining image quality at higher throughput speeds.

A radar device applies fast Fourier transform to spatial frequency signals for efficient beam combining.

A spectrogram-based method suppresses radar interference by applying frequency-dependent thresholds in the time-frequency domain.

A multi-channel radar system segments detection paths to enhance signal penetrability through thick media.

Reference data from fine weather removes static clutter from rainy observations, resolving automation accuracy trade-offs in meteorological radar systems.

Mismatched windowed filters compress weather radar echo signals, suppressing integrated side lobes while maintaining Doppler sensitivity.

A radar-based network detects object parameters across geographic regions to aggregate real-time airspace data.

A six-port self-injection-locked radar extracts vibration signals using a coupler and phase shifter.

Collocated transceivers toggle between communication and sensing modes, eliminating dedicated hardware resources while maintaining network connectivity.

CMOS radar sensors determine curve information from sensor data, resolving weather and brightness dependence in driver assistance systems.

Synthesizing high-frequency and control signals onto one line reduces wiring complexity while maintaining detection accuracy in MIMO radar systems.

A radar sensor adjusts operating parameters to maintain signal accuracy.