Amplitude Demodulation Details TRIZ Cases

Digital harmonic estimation with analog cancellation suppresses ECG power line noise in real time, reducing delay and improving T-wave identification.

Phase-difference learning lets a multi-antenna receiver identify unknown transmitters and steer antenna nulls to suppress jamming and spoofing.

Regenerating interfering OFDM time-domain samples and subtracting them after FFT reduces residual cross-numerology interference in 5G NR.

Iterative error feedback refines IQ mismatch correction across active frequency bins, improving zero-IF receiver signal accuracy.

Power delay profile and FFT window decisions help manage active sets in OFDM networks to limit ISI, preserve SINR, and avoid excess signaling.

Dual complex baseband filters with a combiner enable independent gain control, jammer filtering, and lower noise in carrier aggregation.

Correlating powered victim and offending signal magnitudes reveals non-linear interference without frequency shifting or complex synthesis.

Regenerating interfering OFDM samples before FFT reduces residual overlap between mixed numerologies and improves desired-signal recovery.

Dual channel estimates from non-precoded and precoded signals let the receiver cancel clipping distortion and improve symbol accuracy.

Hybrid orthogonal and non-orthogonal signaling cuts mobile receiver cancellation load and delay while preserving capacity and fair user scheduling.

Amplitude-residual thresholding guides interference suppression to recover desired signals even when interference spectrally overlaps and varies.

Dynamic high- or low-side LO injection helps a low-IF receiver separate wanted signals from strong blockers and improve bit error rate.

Tracking impulse noise period, offset, and duration lets multi-carrier receivers predict periodic noise and lower bit error rates.

Captured endpoint signals are processed with autocorrelation and vacant-band DSP to locate linear and nonlinear distortion sources without truck-rolls.

Frequency-offset estimation, subcarrier shifting, and interference filtering help an FBMC receiver recover data accurately in shared subcarrier links.

An analog pre-ADC stage plus digital cancellation removes coincident interferers while preserving signal integrity and receiver dynamic range.

Spectral encoding reshapes high-speed interconnect emissions to suppress protected radio-band EMI without losing data fidelity.

Mean-magnitude comparison between two high-pass filter paths helps distinguish impulse noise from out-of-band interference in receivers.

FFT-based symbol range selection and differential phase processing cut DTMB PN detection load while preserving synchronization accuracy.

Digital feedback tunes cancellation signal amplitude, phase, and frequency to remove clock spurs from RF receiver channels.

Two SNR-switched blankers use Middleton noise parameters to suppress impulsive noise in BPSK receivers and improve BER across low and high SNR regions.

FFT-based spectrum monitoring and calibrated partial signatures help wireless receivers classify intermittent interferers with less false detection.

A measuring and control unit adjusts chip card demodulation to different modulation indices, improving compatibility with less circuit complexity.

Shifted multi-antenna correlation combines preamble signals constructively, improving 802.16e receiver detection under base station interference.

A down converter employs a fine-tuning mechanism to adjust shielding cavity dimensions for precise radio frequency filtering.