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9results about How to "Peak height" patented technology

Rydberg atomic electric field measurement enhancement device based on cavity enhancement technology

The invention discloses a Rydberg atomic electric field measurement enhancement device based on a cavity enhancement technology, which belongs to the technical field of quantum measurement and comprises an atomic gas chamber with a resonant structure. A first spectroscope, a second spectroscope, a third spectroscope, a detection laser, a photoelectric detector, a polarization splitting prism and a coupling laser are arranged outside the atomic gas chamber; through the arrangement of the resonant structure, the sensing of the Rydberg atoms to the extremely-small microwave signals is enhanced, the measurement of the extremely-small microwave signals is realized, and the sensitivity of Rydberg atom measurement is improved; through the arrangement of a plurality of spectroscopes and other components, the intensity of light entering the atom gas chamber is increased, the interaction between detection laser and atoms is enhanced, the cyclic reflection of transmission light in the atom gas chamber is enhanced, and the measurement accuracy of the Rydberg atom microwave electric field is improved.
Owner:CHONGQING UNIV +2

Light-emitting device, ranging device, and movable body

PendingEP4343990A4short light pulse widthpeak heightLaser detailsOptical rangefinders
An object is to provides a light emitting device capable of generating a light pulse having a short light pulse width and a high peak value. The light emitting device includes a semiconductor light emitting element including a first reflector, a resonator spacer including an active layer, and a second reflector stacked in this order over a semiconductor substrate. The semiconductor light emitting element includes a saturable absorption layer provided between the semiconductor substrate and the second reflector. The semiconductor light emitting element is configured to emit light having a profile that has a maximum peak value and converges to a stable value of a predetermined light intensity after the maximum peak value.
Owner:CANON KK

Method, apparatus, device, medium and product for controlling oscillating air flow

Embodiments of the present application provide a method, device, equipment, medium and product for controlling oscillating airflow. The method comprises: obtaining a current oscillation cycle signal of oscillating airflow generated by a sputum discharge device, and obtaining positive and negative half cycle peak values and positive and negative half cycle areas of the current oscillation cycle signal; judging a current human body inhale and exhale state; adjusting positive and negative half cycle pressure and positive and negative half cycle time of a next oscillation cycle signal of the oscillating airflow according to the positive and negative half cycle peak values and the positive and negative half cycle areas, so that a ratio of an absolute value of a negative half cycle peak value to an absolute value of a positive half cycle peak value of the next oscillation cycle signal of the inhalation phase is greater than a first value, and an absolute value of the positive half cycle area is not less than an absolute value of the negative half cycle area; a ratio of an absolute value of a negative half cycle peak value to an absolute value of a positive half cycle peak value of the next oscillation cycle signal of the exhalation phase is greater than a second value, and an absolute value of the positive half cycle area is not greater than an absolute value of the negative half cycle area. The scheme of the present application improves the effectiveness of airway secretion discharge.
Owner:SHENYANG RMS MEDICAL TECH

A device and method capable of realizing multiple laser shot peening forming under a rigid constraint layer

ActiveCN115945776BGuaranteed binding effectavoid damageLaser beam welding apparatusBlack paintMotion system
The present invention provides a device and method for realizing multiple laser shot peening forming under a rigid constraint layer, including a motion system, a laser shot peening strengthening system, a laser heating and temperature rising system, a particle flow system and a working tank, wherein a workpiece to be processed is installed in the working tank, and the working tank and the particle flow system are connected to form a closed loop, and the charged black paint particles are adsorbed on the surface of the workpiece to be processed through the particle flow system; the laser heating and temperature rising system is used to make the charged black paint particles form a black paint deposition layer on the surface of the workpiece to be processed; the laser shot peening strengthening system is used to perform laser shot peening on the surface of the workpiece to be processed. The present invention utilizes the characteristic that small charged particles are easily adsorbed on the metal surface, and adopts the method of nanosecond pulse laser heating to melt and deposit tiny black paint particles at designated positions, thereby realizing timely replenishment of the absorption layer and precise control of the thickness of the absorption layer.
Owner:JIANGSU UNIV

X-band dual-polarization phased array rainfall radar system and detection method

ActiveCN118501884Bpeak heightImprove stabilityRadio wave reradiation/reflectionICT adaptationMicrostrip array antennaRadar systems
The present invention relates to the field of meteorological radar technology, and specifically to an X-band dual-polarization phased array rain radar system and detection method. The system includes hardware equipment, a processing module, and auxiliary accessories; the hardware equipment includes an antenna array subsystem and a radar base subsystem; the processing module includes a polarization channel consistency calibration submodule, a particle phase identification submodule, and a rainfall estimation submodule; the auxiliary accessories include power supply equipment, a generator, lightning protection facilities, an optical fiber network, and a data storage device. A planar microstrip patch array antenna is used, which is designed with a spacing arrangement and has the characteristics of small area and high phase center consistency, ensuring high consistency, low side lobes, and high cross-polarization isolation of dual-polarization beams; at the same time, the detection accuracy is improved by setting a processing module.
Owner:BEIJING INST OF TECH ZHUHAI CAMPUS +1

A rotor cooling structure for a drive motor

A rotor cooling structure for a drive motor includes a rotor core with a central shaft hole. Several magnetic slots are arranged around the central shaft hole, each containing a magnet. Oil channels are formed in the sides of the magnetic slots, with the length of the oil channels inclined to the length of the magnetic slots. Two oil channels are provided in each magnetic slot, located on opposite sides. The end openings of the two oil channels are positioned opposite each other in the magnetic slots, and the two oil channels are parallel; alternatively, the end openings are positioned diagonally opposite each other in the magnetic slots, and the two oil channels are staggered. This invention provides cooling oil channels in the sides of the magnetic slots. Cooling oil enters the oil channels and contacts the magnets, increasing the heat dissipation area of ​​the magnets and effectively cooling both the magnets and the rotor core simultaneously, significantly improving the cooling efficiency of the magnets.
Owner:HUAYU AUTOMOTIVE ELECTRIC SYST (SHANGHAI) CO LTD

Reaction zone unit of micro-fluidic chip and reflective condensation reading device

The invention provides a micro-fluidic chip reaction zone unit. The micro-fluidic chip reaction zone unit comprises a chip substrate; the reflective body is formed on the chip substrate, an accommodating cavity for accommodating a sample reagent mixed solution is formed in the reflective body, and a light-transmitting area is arranged at the bottom of the reflective body; the chip runner is formed on the chip substrate, is communicated with the accommodating cavity and is used for allowing the reagent mixed solution to flow into the accommodating cavity; the condensing lens is arranged at the upper part of the reflecting body, and a reading area is formed at the upper end of the condensing lens; wherein the light reflecting body is constructed to enable light signals to be emitted from the light transmitting area to enter the sample reagent mixed liquid in the containing cavity, the light signals diffused to the periphery through the sample reagent mixed liquid are reflected through the inner wall face of the light reflecting body, the light signals are converged to the condensing lens, and the condensing lens can converge the converged light signals to the reading area. The invention also provides a reflection condensation reading device comprising the reaction zone unit.
Owner:BEYOND DIAGNOSTICS (SHANGHAI) CO LTD +1

Resin composition and molded body

PendingEP4282888A4Eliminate stickinessExcellent formability
An object of the present invention is to provide a resin composition including a thermoplastic resin and an inorganic filler, which can easily undergo molding processing and has flexibility and a sense of massiveness, and a molded article thereof. A resin composition, including 15 to 50 parts by mass of a specific 4-methyl-1-pentene / α-olefin copolymer (A), 10 to 50 parts by mass of an inorganic filler (B), and 5 to 49 parts by mass of a thermoplastic elastomer (C) (a total amount of 4-methyl-1-pentene / α-olefin copolymer (A), inorganic filler (B), and thermoplastic elastomer (C) is 100 parts by mass), wherein the thermoplastic elastomer (C) is at least one selected from the group consisting of an olefinic thermoplastic elastomer (C1) and a styrenic thermoplastic elastomer (C2); and a molded article including the resin composition.
Owner:MITSUI CHEMICALS INC

Design method of low-distortion narrow magnet electromagnetic ultrasonic transducer and ultrasonic transducer

The present invention relates to a design method of a low-distortion narrow magnet electromagnetic ultrasonic transducer and an ultrasonic transducer, the method comprising the following steps: constructing a zero-phase reference model, fitting and calculating the phase offset component affected by the magnetic field according to the magnetic field distribution; obtaining the number of coil wire distribution of the ultrasonic transducer to be designed, and constructing the phase offset expression of the Rayleigh wave excited by each wire in the electromagnetic ultrasonic transducer based on the phase offset component affected by the magnetic field; selecting two wires from all the wires as a typical characteristic pair representing the phase difference of the entire coil, and calculating the fold line spacing that makes the phase deviation between the two wires zero; and optimizing the arrangement of multiple wires of the coil with the fold line spacing. Compared with the prior art, the present invention has the advantages of effectively eliminating waveform distortion and low distortion.
Owner:EAST CHINA UNIV OF SCI & TECH