13results about How to "Improvement" patented technology

The invention relates to a direct current side coupling type super capacitor-battery hybrid energy storage system. According to the energy storage system, a super-capacitor module and a battery module are directly connected on the direct current side through a bidirectional DC / DC converter, the super-capacitor module is connected with a power grid through a current source type converter, the battery module is connected with the power grid through a voltage source type converter, and a modularized and extensible topological structure is formed. The system has multiple differentiated working modes, cooperative efficient operation of the super-capacitor and the battery can be achieved according to working conditions, high-frequency / short-time power is preferentially borne by the super-capacitor, and the battery is responsible for steady-state energy adjustment. And meanwhile, by virtue of the boosting capability of the current source type converter, the super capacitor can support the power grid in a short time and strong manner in a deep discharging manner. And the battery module charges the super capacitor module through the bidirectional DC / DC converter, so that the influence of frequent charging of the super capacitor on the grid-side electric energy quality is reduced. The method can effectively reduce the aging loss of the battery, improves the energy storage utilization efficiency and the power grid friendliness, assists the new energy consumption and the safe and stable operation of the power grid, and has economic and social benefits.

This invention discloses a solid-phase thickening reactor for PETG chips, belonging to the field of polyester chip processing technology. It includes an outer cylinder with an inlet pipe and an outlet pipe installed at its top and bottom, respectively. Support legs are installed on the side of the outer cylinder. Inside the outer cylinder are a supporting cylinder and four movable inner cylinders. Connecting rings connect the supporting cylinder to the movable inner cylinders and between adjacent movable inner cylinders. This invention ensures that each chip can undergo sufficient and uniform heat exchange with the heat medium, eliminating heating "dead zones" and temperature differences in traditional equipment. Based on the synergistic effect of uniform dispersion, controllable feeding, and a three-dimensional thermal field, the raw material can undergo a thickening reaction in the reactor in an optimal state. This ensures the uniformity and thoroughness of the reaction, effectively avoiding quality problems such as chip viscosity differences and yellowing caused by uneven heating or inconsistent reaction times. Therefore, it significantly improves the final product quality, production efficiency, and batch stability of the PETG chips.

The application discloses an optical power collection device and method, relates to the technical field of optical signal detection, and comprises the following: a photoelectric detector for converting an optical signal into a current signal; a transimpedance amplifier for converting the current signal into a pulse voltage signal; a peak detector for detecting the peak value of the pulse voltage signal; an RC filter network for filtering noise of the pulse voltage signal; a low-frequency amplifier for amplifying the low-frequency pulse voltage signal; an ADC collection module for converting the amplified pulse voltage signal into a digital signal; a first feedback network for adjusting the gain of the transimpedance amplifier; a second feedback network for adjusting the gain of the low-frequency amplifier; and a microcontroller for controlling the first feedback network to adjust the gain of the transimpedance amplifier according to the peak value of the pulse voltage signal and for controlling the second feedback network to adjust the gain of the low-frequency amplifier according to the digital signal.

The application discloses a transmission array antenna based on a triangular array, which comprises a transmission array surface and a feed source, wherein the feed source is located below the transmission array surface and is used for spatially feeding the transmission array surface; the transmission array surface is composed of N transmission array units arranged in a triangular array; the transmission array unit is a multi-layer superposition structure, which comprises, from top to bottom, a transmitting layer, a first dielectric substrate, a grounding layer, a second dielectric substrate and a receiving layer; a first metallized via hole is formed in the center of the first dielectric substrate, and the top of the first metallized via hole is connected with the center of the transmitting layer; a via hole is formed in the center of the grounding layer, and a second metallized via hole is formed in the center of the second dielectric substrate, and the bottom of the second metallized via hole is connected with the center of the receiving layer. The transmission array antenna can accommodate more units under the same aperture, and the unit period is small, so that the transmission amplitude and the working bandwidth of the transmission array unit are improved.

This invention discloses a hydrogen sensing probe and its fabrication method. The nanowire array of this invention provides a high specific surface area and a three-dimensional channel structure, improving the contact efficiency between the sensitive layer and hydrogen, providing a pathway for light / gas transmission, and balancing sensitivity and response / recovery kinetics. At the same time, it abandons the traditional external cavity mirror structure. The Fabry-Perot interferometer cavity formed by the second and first reflective layers enhances the round-trip interaction between light and the sensitive layer, improves the spectral drift amplitude and signal-to-noise ratio, and reduces the influence of environmental factors. Furthermore, the nanowire array is coupled with the emitted light field and / or reflected light field at the end face to form a local field enhancement effect, which is superimposed with the Fabry-Perot interferometer effect, resulting in a larger spectral shift caused by the same amount of hydrogen.

This invention relates to the field of digital identity authentication technology, and more particularly to a method and apparatus for verifying trusted digital credentials based on distributed digital identity. The method uses initial verification parameters determined by credential metadata to perform distributed verification of the digital credential to be verified to obtain verification feature parameters. A credibility metric is calculated and compared with a preset credibility threshold to determine credibility. If untrustworthy, deep verification is performed by adjusting the initial verification parameters, and cross-verification or third-party endorsement verification strategies are intelligently selected. Further verification is then determined based on a comparison of the verification residual index with a preset residual threshold, adjusting the number of verification nodes or endorsers accordingly. This invention achieves dynamic quantitative evaluation and closed-loop adaptive correction of credential credibility, reducing false positive and false negative rates, optimizing verification resource allocation, and improving verification accuracy and reliability.

The utility model discloses a dry sterilization device for casein production, which belongs to the technical field of food production, aims to solve the technical problem of low sterilization efficiency in the prior art, and comprises a sterilization box, the whole sterilization box is of a rectangular box body structure, and a sterilization assembly structure is mounted on the sterilization box. The sterilization assembly structure comprises a sterilization assembly, a turnover device and a swinging device, and the turnover device and the swinging device are both located in the box body of the sterilization box. The sterilization box has the advantages that the side wheel connected with the output end of the double-shaft motor adopts a triangular-like structure, the turnover cloth is driven to rotate when the side wheel rotates, and meanwhile, the side wheel can move up and down when the side wheel rotates; the double-shaft motor rotates under the overturning cloth at the bottom of the sterilization box and moves in different ranges, the double-shaft motor transversely moves back and forth through the lead screw assembly, and the overturning frequency and amplitude of the overturning cloth are improved.

The application discloses a mobile phone application performance automatic test system and method based on artificial intelligence, and relates to the technical field of electric digital data processing.The system comprises a sampling condition monitoring module, an automatic sampling adjustment module and a test feedback module.The application performs automatic test on the mobile phone application performance based on an artificial intelligence algorithm in the current test period, monitors the sampling condition of test data in real time, then determines whether to perform automatic sampling adjustment according to the result of sampling frequency adaptation determination, if yes, monitors the data noise condition of test data after automatic sampling adjustment to perform data noise degree determination, and then performs test feedback, and simultaneously determines whether to perform secondary sampling adjustment, otherwise, continues to monitor the data sampling condition, thereby improving the adaptation degree of the test condition of test data and the sampling frequency, and solving the problem of low adaptation degree of the sampling frequency and the corresponding test condition in the process of testing the mobile phone application performance in the prior art.

The application belongs to the technical field of antennas, and more particularly relates to an antenna unit and an antenna. The antenna comprises a dielectric base body, a radiation structure arranged on the dielectric base body, and a feeding structure arranged on the dielectric base body. The radiation structure comprises at least a pair of symmetrically arranged radiation units. The feeding structure comprises at least one feeding part, which comprises symmetrically arranged first and second feeding parts. The first feeding part is used for coupling feeding to one of the pair of radiation units, and the second feeding part is used for coupling feeding to the other of the pair of radiation units. The first feeding part is connected to the second feeding part, and feeding current is supplied to the geometric centers of the first and second feeding parts. The application can solve the technical problem of low gain of the existing antenna unit.

This application provides an IQ imbalance calibration method, apparatus, signal transmitter, and zero-IF transceiver. The method includes: acquiring a reference baseband signal and a radio frequency (RF) signal output by the IQ modulation channel based on the reference baseband signal, and converting the RF signal into a modulation baseband signal; reconstructing the modulation baseband signal to generate a baseband feedback signal characterizing the distortion of the IQ modulation channel; obtaining pre-distortion parameters for compensating for IQ imbalance based on the reference baseband signal and the baseband feedback signal; performing pre-distortion processing on the reference baseband signal using the pre-distortion parameters to generate a baseband pre-distortion signal; and performing imbalance calibration on the IQ modulation channel based on the baseband pre-distortion signal. Because the IQ modulation channel is calibrated, the image rejection ratio and error vector amplitude performance of the output signal can be improved, thus increasing the calibration accuracy of the IQ modulation channel.

The utility model provides a 5M-2.5 G bit error rate test device. The 5M-2.5 G bit error rate test device comprises an MCU controller, a clock source circuit and a signal shaping circuit. The signal shaping circuit is composed of a chip U13, a resistor R122, a resistor R123, a capacitor C148, a capacitor C149, a capacitor C150, a connector J12 and a connector J13. And a plurality of pins of the chip U13 are respectively connected with the capacitor, the resistor, the clock source circuit and the connector. In a wide frequency range of 5M-2.5 G, the signal is susceptible to interference and distortion. The chip U13 is matched with the resistor and the capacitor to form a network, input signals can be shaped and filtered, high-frequency noise and clutter are removed, and signal waveforms are more regular. Through equalization and filtering, the signal distortion degree is reduced, and the amplitude and phase stability is improved. Therefore, high-quality signals are provided for subsequent bit error rate testing, testing errors caused by poor signal quality are reduced, and the accuracy and reliability of bit error rate testing are improved.

The application relates to the technical field of coupon data management, in particular to a coupon management method and system, a storage medium and a program product. The method comprises the following steps: determining a use effective value of a user for a currently issued coupon in a current stage based on static behavior data and dynamic behavior data of the user for the currently issued coupon in the current stage; when the use effective value is lower than a preset effective threshold value, determining optimization parameters based on the static behavior data and the dynamic behavior data, and optimizing original coupon data to obtain target coupon data based on the optimization parameters; generating a coupon issuing detection condition based on the target coupon data, and performing standard detection on an actually issued coupon of the user in a next stage based on the coupon issuing detection condition, wherein the target coupon data comprises a target coupon use effective period value and a target coupon face value limit value; and when a detection result of the actually issued coupon is non-compliance, generating issuing adjustment information based on the target coupon data. The application facilitates improvement of coupon issuing accuracy.

This invention discloses a SONAR gene and its applications in regulating plant heat tolerance, nodulation, and immunity, belonging to the field of genetic engineering. The invention provides the SONAR gene with the nucleotide sequence shown in SEQ ID NO.1, and constructs soybean plants overexpressing and knocking out the SONAR gene, as well as Arabidopsis plants overexpressing the SONAR gene. Experimental results show that overexpression of the SONAR gene significantly improves the tolerance of soybean and Arabidopsis to 40℃ high-temperature stress, and effectively increases the basal expression level and transcriptional response amplitude of immune-related genes under pathogen-free conditions, inducing plant immune pre-excitation. Knocking out the SONAR gene significantly increases the number of nodules in soybean plants. This invention provides a new regulatory target for plant heat tolerance, nodulation number, and immune pre-excitation, and provides biomaterials for the cultivation of new soybean germplasm.