Controlled hammer impacts and frequency response analysis reveal weld depth and misalignment faults without cutting parts.
Controlled hammer impacts with force and vibration sensing reveal weld depth and misalignment faults without destructive cutting.
Three differently scaled A/D channels replace complex analog front ends, improving ultrasonic flaw detection accuracy and back-wall fault visibility.
Dual optical frequency combs assign unique beat frequencies to many resonance sensors, enabling simultaneous readout for fast photo-acoustic imaging.
A sealed glass enclosure integrates electrical feedthroughs into the gas chamber, improving air-tightness, measurement accuracy, and manufacturability.
Display limits normalize reception-signal graphs across transducer elements, reducing concern over harmless intensity variation during inspection.
Optical frequency combs assign unique beat frequencies, enabling one detector to read multiple optical resonance sensors simultaneously.
This case uses digital time-domain filtering to shift infrasonic components into audible ranges without frequency-domain noise.
A parallel transistor receiving circuit suppresses noise in ultrasonic sensor signals.
A reduced coding matrix selects optimal transducer emission patterns to acquire ultrasonic signals with high signal-to-noise ratio.
High-pass and low-pass filters isolate active excitation signals from sensitive passive circuitry, eliminating bulky high-voltage switches.
Band-pass filters in the main body sort frequency signals to resolve adaptability versus complexity trade-offs.
An add-on ultrasound system synchronizes with a host probe to enhance lateral resolution across multiple apertures.
An acoustic-based air probe measures gas volume fraction in wet concrete using dual frequency signal propagation.