7 results about "Resonance amplitude" patented technology

The present application discloses a method and system for measuring a magnetic moment parameter, a storage medium, and an electronic device. The method comprises: measuring, under a target gradient field, a resonant frequency and a resonance amplitude of a sample rod with a magnetic sample to be measured mounted thereon, wherein the target gradient field is generated by a magnetic field system; acquiring a mass of the magnetic sample to be measured, and determining, according to the mass, the resonant frequency, and the resonance amplitude, a magnetic force exerted on the magnetic sample to be measured within the target gradient field; and determining, according to the magnetic force exerted on the magnetic sample to be measured and a current parameter of a gradient coil within the magnetic field system, a magnetic moment parameter of the magnetic sample to be measured. The present application addresses the problems in the related art of high equipment costs and low measurement accuracy when performing magnetic measurements on magnetic samples to be measured.

The application provides a kind of capacitance measuring device, method and chip probe test system.The capacitance measuring device includes probe plate and capacitance measuring circuit, probe plate includes probe, and capacitance measuring circuit includes LC resonant circuit and current drive unit.LC resonant circuit is used to be connected in parallel with the two poles of probe and the chip to be measured, LC resonant circuit has no-load state and loaded state, when probe and the chip to be measured do not contact, LC resonant circuit is in no-load state;When probe and the chip to be measured are in contact, LC resonant circuit is in loaded state.Current drive unit is used to provide driving current for LC resonant circuit, to make LC resonant circuit produce resonance, and resonance amplitude is lower than the opening voltage of the diode inside the chip to be measured.Capacitance measuring device is used to obtain the capacitance of the chip to be measured based on the data of the resonance waveform of LC resonant circuit in loaded state and no-load state, by calculating processing to obtain the capacitance offset of LC resonant circuit.

The application discloses a kind of musical instrument audio signal intelligent analysis methods based on clancy figure, it is related to musical instrument manufacturing technical field, steps include: obtaining clancy figure, extracting symmetry axis angle distribution and wood texture main direction and obtaining offset angle;Wood texture anisotropic distribution area is identified based on offset angle, determine abnormal resonance energy propagation path, combine edge detection calculation panel vibration uniform area ratio, obtain resonance frequency purity percentage;With offset angle, correlation strength is constructed, input preset mapping obtains length-width modulus ratio fusion result, combined with finite element simulation to obtain panel cutting angle adjustment amount;According to adjustment amount, update modulus ratio, geometric symmetry coverage area ratio and energy dissipation space position distribution;Compare distribution before and after optimization, evaluate abnormal resonance amplitude reduction and symmetry axis angle distribution, determine the matching relationship and optimization direction of texture and symmetry axis, output final cutting angle scheme.

The application discloses a double-dimension multi-gas sensor based on artificial plasmons and a gas detection system, wherein the sensor comprises, from bottom to top, a grounding plate, a dielectric substrate, a metal microstrip transmission line, a bottom sensitive dielectric layer, an artificial plasmon resonator and a first conductive layer and a second conductive layer at the same height level; the sensor is based on a vertical laminated structure to construct single-resonator double-dimension orthogonal decoupling; wherein the artificial plasmon resonator and the bottom sensitive dielectric layer construct a response mechanism of 'bottom dielectric constant-resonance frequency shift' to a target gas A; the artificial plasmon resonator and the first conductive layer and the second conductive layer construct a response mechanism of 'top layer conductivity-resonance amplitude modulation' to a target gas B. The application utilizes a vertical laminated structure to construct two independent detection dimensions on the projection area of only one single resonator, and realizes simultaneous detection and decoupling of two gases.

The utility model discloses a kind of connecting structure and electrical module, it is related to cable technical field, wherein, connecting structure is used to one side connection electrical shell, the other side connection wire harness, connecting structure includes terminal and resonance adjustment structure, the one side of terminal is used to with the shielding layer of the wire harness Electric connection, the other side is used to with the electrical shell Electric connection, to the shielding layer ground connection;The resonance adjustment structure is used to with the shielding layer, the terminal and the electrical shell series connection arrangement, to reduce the resonance amplitude value of the shielding layer.The technical scheme provided by the utility model reduces the inherent resonance amplitude value of the shielding layer of wire harness, avoids electromagnetic interference problem.

The application discloses a double-dimension multi-gas sensor based on artificial plasmons and a gas detection system, wherein the sensor comprises, from bottom to top, a grounding plate, a dielectric substrate, a metal microstrip transmission line, a bottom sensitive dielectric layer, an artificial plasmon resonator and a first conductive layer and a second conductive layer at the same height level; the sensor is based on a vertical laminated structure to construct single-resonator double-dimension orthogonal decoupling; wherein the artificial plasmon resonator and the bottom sensitive dielectric layer construct a response mechanism of 'bottom dielectric constant-resonance frequency shift' to a target gas A; the artificial plasmon resonator and the first conductive layer and the second conductive layer construct a response mechanism of 'top layer conductivity-resonance amplitude modulation' to a target gas B. The application utilizes a vertical laminated structure to construct two independent detection dimensions on the projection area of only one single resonator, and realizes simultaneous detection and decoupling of two gases.