21results about How to "Increase working frequency" patented technology

The application discloses an aeration process and a sewage treatment method, and belongs to the technical field of environmental engineering. The aeration process comprises the following steps: for the state that the adjusting tank is continuously fed with water, adjusting the working condition of an aeration equipment so that the dissolved oxygen concentration of the adjusting tank is controlled within 0.2-0.3 mg / L, and simultaneously carrying out nitrification and denitrification in the adjusting tank; for the state that the adjusting tank is intermittently fed with water or not fed with water, controlling the aeration equipment to be operated in an alternating mode of a third frequency and a fourth frequency, and carrying out denitrification in the adjusting tank. The aeration process disclosed by the application can achieve the purposes of degrading organic pollutants and saving energy by flexibly adjusting the mode of a process fan and controlling the dissolved oxygen interval.

The application discloses a method for evaluating the improvement of the high-frequency axial vibration kinetic energy of a drill bit by a rotary percussion tool, and is based on measured wellbore trajectory parameters, drill string structure parameters and rotary percussion tool characteristic parameters, considers different rotary percussion tool installation positions, utilizes a drill string dynamics analysis method to obtain a drill string axial vibration speed, calculates a drill bit high-frequency axial vibration kinetic energy index, and uses the index as an evaluation basis for the improvement degree of the drill bit kinetic energy, and determines a reasonable rotary percussion tool installation position and a working frequency based on the index.

The invention provides an acceleration power supply of an electronic curtain, which comprises a three-phase rectifying circuit, a high-frequency inverter circuit, a boosting transformer and a driving circuit, and is characterized in that the three-phase rectifying circuit is used for receiving three-phase alternating current from a power grid and outputting direct current; the high-frequency inverter circuit is used for inverting direct current into alternating current and comprises a first bridge arm composed of a first switching tube and a second switching tube and a second bridge arm composed of a third switching tube and a fourth switching tube, and the two ends of the first bridge arm and the two ends of the second bridge arm are connected with the positive output end and the negative output end of the three-phase rectifier circuit respectively; the boosting transformer is connected with the high-frequency inverter circuit and is used for boosting the alternating current and outputting direct-current high voltage; and the driving circuit is connected with the control ends of the first switch tube, the second switch tube, the third switch tube and the fourth switch tube, and is used for controlling the first switch tube, the second switch tube, the third switch tube and the fourth switch tube based on a phase shift control technology.

The invention provides a data read-out method and a read-out circuit for an image sensor storage array, and the method comprises the steps: adjusting the voltage or width or phase of a read-out enable signal of each column according to the distance between each column in the storage array and a read-out control unit, so as to compensate the delay of the read-out enable signal generated in a decoding process, and improve the decoding efficiency. On the premise that the chip area and power consumption are not increased as much as possible, the far-end and near-end difference of the array is reduced, and on the condition that the original reading frequency is kept, the effective reading time of the far-end of the array is prolonged, the discharge voltage difference is increased, and the working frequency is improved.

The application relates to an enhanced N-face GaN-based radio frequency power device and a preparation method thereof. The device comprises an N-face GaN buffer layer, an N-face AlGaN barrier layer, an interlayer, an N-face GaN channel layer, a groove, an N-face AlGaN cap layer, a source structure, a drain structure and a gate. The N-face GaN buffer layer, the N-face AlGaN barrier layer, the interlayer and the N-face GaN channel layer are sequentially arranged from bottom to top. The groove extends from the upper surface of the N-face GaN channel layer to the inside of the N-face GaN channel layer. The N-face AlGaN cap layer extends from the groove to part of the upper surface of the N-face GaN channel layer, and the part of the N-face AlGaN cap layer in the groove forms a gate slot. The gate is located in the gate slot. The device can modulate the control ability of the gate to 2DEG by controlling the thickness of the N-face GaN channel layer and the thickness of the N-face AlGaN cap layer, and the device has better characteristics at a higher working frequency.

The application relates to the technical field of injection molding machines, and discloses a carbon fiber mold pressing and injection molding integrated forming equipment and a forming method thereof, which comprises an operation table, a mounting box is installed on the operation table, a hydraulic device is arranged in the mounting box, two female molds and a switching assembly are further arranged, and the two female molds and the switching assembly are used for cyclically and alternately working; a blanking assembly is arranged and used for assisting product blanking; a maintenance assembly is arranged and used for maintaining the female molds; through the arrangement of a male mold, the two female molds, two infrared heaters and the switching assembly, the two female molds are alternately matched with the male mold, the mold pressing and injection molding one-time forming effect is realized, the operation steps are reduced, and the work efficiency is improved; the two female molds and the two infrared heaters alternately perform the working steps of feeding and heating materials, the working time is saved, the working frequency is accelerated, meanwhile, the same infrared heater can be avoided from being used for a long time to cause overload and affect the service life.

The invention relates to the technical field of channel coding, particularly discloses a data replacement method based on a Banyan network in LDPC T1 coding and an encoder, and aims to solve the problems that in the prior art, a data replacement method based on an address generator is large in resource consumption, complex in wiring and difficult to support high parallelism and high throughput. The method comprises the following steps: reading a pre-stored Banoan network coefficient according to a code rate and a non-zero element position of a check matrix, and setting a Banoan network to finish offset jump of 512-bit parallel information to be replaced. The encoder correspondingly comprises a replacement module, a summing circuit and an accumulation module for realizing the method. According to the method, the non-blocking rearrangement characteristic of the Banoan network under the T1 code standard is utilized, 255 replacement modes of three code rates of the LDPC T1 code are supported through a unified hardware structure, the maximum 512-path parallel is achieved, meanwhile, the resource consumption of a lookup table and a register is remarkably reduced, and the working frequency and the coding throughput are improved through the multi-stage assembly line design.

The application provides an AXI-based data storage method, device, storage medium and equipment, the method comprising: judging whether there is a spare command cache space in a read-write command receiving FIFO; in response to the spare command cache space, sending a command transmission request to an arbitrator, and storing corresponding command information in the read-write command receiving FIFO based on the command transmission request by the arbitrator; checking whether there is a read command and a write command in the read-write command receiving FIFO through an AXI read channel converter and an AXI write channel converter respectively; in response to the read command, converting first AXI read timing information into second SPRAM read timing information through the AXI read channel converter, and outputting the second read timing information to the SPRAM; in response to the write command, converting first AXI write timing information into second SPRAM write timing information through the AXI write channel converter, and outputting the second write timing information to the SPRAM. The application has the advantage of small area in the design of a chip with more storage.

The invention provides a high-side current indirect sampling method based on an FSBB quasi-peak current control strategy, and belongs to the technical field of current indirect sampling. The method comprises the following steps that 1, an indirect current sampling circuit is connected with the FSBB converter, a current waveform reproduction circuit of the indirect current sampling circuit forms a voltage-controlled current source and a current mirror through an operational amplifier and a triode, controllable periodic constant-current charging is carried out on a capacitor, in the charging process, the voltage of the capacitor rises at a fixed slope, and the current waveform reproduction circuit is connected with the FSBB converter; a sampling waveform is reproduced in a signal difference mode, accurate reproduction of inductive current under the megahertz frequency is achieved, and adjustable gain is provided; and 2, an amplification circuit of the indirect current sampling circuit converts the differential voltage signal output by the current waveform reproduction circuit into a single-ended signal to the ground, inputs the single-ended signal to the ground into a logic control module, and provides additional gain. According to the invention, extra loss generated on the sampling resistor can be avoided, and accurate sampling of the inductive current in a broadband range can be realized.

The utility model discloses an automatic hardware pressing device for automobile plastic accessories, which belongs to the technical field of automobile plastic accessory processing, and comprises a hardware vibration disc and a rack, the upper surface of the rack is fixedly connected with the hardware vibration disc, a storage device is arranged on the upper surface of the rack, and an automatic positioning conveyer is arranged on the upper surface of the rack. And an inspector is arranged on the upper surface of the rack. According to the automatic hardware pressing device for the automobile plastic parts, in the working process, workpieces are vibrated out and enter the storage device in sequence through the hardware vibration disc, after the storage device and the directional driving device are filled with the workpieces, the plastic parts are placed into the automatic positioning conveyor by workers, openings of the plastic parts are aligned with hardware, and when a second air cylinder in the directional driving device operates, the hardware is pressed into the automatic positioning conveyor. At the moment, the second air cylinder moves forwards, the workpiece slides downwards to enter the inspector, the proximity switch inspects whether the hardware exists or not, an alarm is given if the hardware does not exist, the second check block is opened if the hardware exists, and finished products flow into the next stage.

The utility model relates to a kind of power transistor.The utility model includes first conductive type substrate;Back metal layer, setting in the back of first conductive type substrate;Second conductive type base area, forms in the front of part first conductive type substrate;First conductive type emission area, forms in the front of part second conductive type base area;First conductive type resistance ring, forms in the front of part first conductive type substrate;Insulating dielectric layer, covers the front of first conductive type substrate;Surface protection barrier layer, covers the front of insulating dielectric layer;Passivation layer, covers the front of surface protection barrier layer;Base area metal layer, setting in the front of passivation layer, and first opening and the front of second conductive type base area contact;Emission area metal layer, setting in the front of passivation layer and mutually isolated with base area metal layer, emission area metal layer is contacted in the front of first conductive type emission area by second opening.Effective improvement device overall performance can be carried out.

The invention provides a super junction semiconductor device and a manufacturing method thereof. The super junction semiconductor device comprises a first conductive type substrate and a first conductive type epitaxial layer; a first groove is formed in the first conductive type epitaxial layer; a second conductive type epitaxial layer is arranged on the inner wall of the first groove; a first dielectric layer is arranged in the first groove; a part of the second conductive type epitaxial layer on the same side of the top of each first groove is removed to form a second groove; forming a gate trench at the upper part in the second trench; a section of first dielectric layer is reserved below the gate trench; a gate oxide layer is arranged on the side wall of the gate trench; grid polycrystalline silicon is arranged in the grid groove; second conductive type well regions are arranged at the tops of the first conductive type epitaxial layers on the two sides of the first groove; a heavily doped first conductive type injection region is formed at the top in the second conductive type well region, close to the same side of the gate trench, of each first trench; the device provided by the invention can bear higher withstand voltage, and the working frequency is improved.

The utility model provides a novel valve body assembly and a plunger pump for oil and gas field fracturing construction, relates to the technical field of oil and gas field hydraulic fracturing equipment, and solves the technical problems that a valve body assembly is short in service life and needs to be replaced frequently. The novel valve body assembly comprises a valve body and a rubber piece, the valve body comprises a matching part used for making contact with a valve seat, a clamping groove is formed in the matching part, and the rubber piece is arranged in the clamping groove in a sleeved mode; the numerical range of the contact area of the rubber piece and the valve seat to the contact area of the matching part and the valve seat is 1 / 3-1; or the numerical value range of the contact area of the matching part and the valve seat to the contact area of the rubber piece and the valve seat is 1 / 3-1; by changing the proportion of the contact surfaces of the valve body, the valve rubber and the valve seat in the valve body assembly, high working pressure and collision frequency can be adapted, and meanwhile, the service life of the valve body assembly can be prolonged. The novel valve body assembly is suitable for plunger pumps for fracturing construction of oil and gas fields.

The utility model discloses full-automatic ventilation and sunshade integrated management and control equipment for a greenhouse, which belongs to the technical field of greenhouse management and control and comprises an outer frame, a management and control panel is fixedly connected to the inner wall of the outer frame, a fan is arranged on the side face of the outer frame, and a fixing plate is fixedly connected to the upper surface of the outer frame. The other side of the upper surface of the outer frame is fixedly connected with a connecting plate; the surface of the fixing plate is in bolted connection with a motor, and the motor and the fan are in electric signal connection with the control panel. An equipment plate is fixedly connected to the upper surface of the outer frame, and a connecting shaft is rotationally arranged in the equipment plate. In the using process, when the outer frame needs to be shaded, the motor is started, the motor drives the threaded rod to rotate, at the moment, the movable plate moves towards the middle position of the outer frame under the action of the threaded rod and the limiting rod, finally the sunshade net on the surface of the connecting shaft is opened, and the sunshade effect on the outer frame is achieved.

This invention proposes a monolithically integrated microwave radiation system based on an optically triggered switch and its fabrication method, belonging to the field of high-power microwave technology. The system includes a driver wafer and a device wafer bonded together. The device wafer uses cubic boron nitride or hexagonal boron nitride as a substrate, on which a heterojunction optically triggered switch, a monolithic microwave integrated circuit, and a monitoring and protection module are integrated. The optically triggered switch is vertically integrated on the side of the monolithic microwave integrated circuit. Under the excitation of the optical pulse output from the driver wafer, it generates an electrical trigger signal, which is amplified by the monolithic microwave integrated circuit and outputs a microwave signal. This invention, through the synergistic design of an ultra-wide bandgap semiconductor substrate, a two-dimensional material heterojunction, three-dimensional integration technology, and full-dimensional on-chip monitoring, achieves chip integration from optical triggering, microwave amplification to intelligent protection on a nitride-based substrate, significantly improving power density, response speed, operating frequency, and reliability.

This application relates to the field of integrated circuit technology and discloses a 1.5 divider based on a phase interpolator with an output duty cycle of 50%, comprising: a 1.5 divider, a phase interpolator, and a duty cycle adjustment module connected in sequence. The 1.5 divider outputs a pair of divided signals with duty cycles of 1 / 3 and 2 / 3 respectively, and a division ratio of 1.5, based on a pair of positive and negative clock signals. The average duty cycle of the pair of divided signals is 1 / 2. The phase interpolator slows down the signal edges of the pair of divided signals and outputs an interpolated signal to the duty cycle adjustment module. The phase of the interpolated signal is the average phase of the pair of divided signals. The duty cycle adjustment module finely adjusts the duty cycle of the interpolated signal to 1 / 2.

This invention relates to the field of terahertz signal generation technology, specifically a photonic ultra-wideband terahertz frequency-hopping source based on four-wave mixing. It utilizes the third-order nonlinear effect of a nonlinear medium to induce four-wave mixing in the combined beam of the pump light and seed light, thereby generating an Nth-order idler light and doubling the frequency-hopping bandwidth of the pump light. A first optical filter filters out the required idler light from the Nth-order idler light, amplifies it, and combines it with a reference laser. A photodetector performs square law detection on the idler light and the reference laser in the combined beam provided by a second optical coupler, downconverting its frequency from the optical frequency to the terahertz band based on the heterodyne beat frequency principle, thus obtaining a wideband terahertz frequency-hopping signal. Compared with existing technologies and traditional electronic frequency-hopping sources, this invention has significant advantages in frequency-hopping bandwidth, high operating frequency, and flexible controllability, enabling its application in next-generation terahertz communication and radar systems, enhancing their anti-interference and anti-interception capabilities.

The utility model relates to the technical field of dust removal in gravel processing, in particular to a dust collection device of a gravel processing system. The device is characterized in that a frequency conversion fan is arranged at an air outlet of a bag-type dust collector and is connected with a control terminal; one end of each primary dust collection pipe is connected with an air inlet of the bag-type dust collector, and the other end of each primary dust collection pipe is connected with the corresponding number of branch dust collection pipes through a three-way air pipe; a dust collection point is connected to one end, far away from the three-way air pipe, of each branch dust collection pipe; the dust concentration sensors are correspondingly arranged on the dust collection points and are connected with the control terminal; an adjusting air valve is arranged at the end, connected into the dust collecting point, of each branch dust collecting pipe, and each adjusting air valve is connected with the control terminal. According to the utility model, the effects of dust collection as required, energy conservation and consumption reduction can be realized, the dust collection efficiency can be improved, the maintenance cost is reduced, and the installation and the movement are simple and convenient.

The invention provides a reconfigurable matrix inversion system and method supporting multiple matrix decomposition modes, and the system selects a decomposition process according to the attributes of a matrix through a top-layer control module, enables the system to process various non-singular matrixes, and enlarges the application range of hardware inversion. After the process is determined, by multiplexing a triangular matrix inversion module and a matrix multiplication module which are necessary in Cholesky and LU processes, the logic and area resource overhead caused by simply integrating two sets of independent hardware to support the two algorithms is avoided. Meanwhile, the data processing module is responsible for transposition, transformation and rearrangement operation, the calculation module is liberated from a complicated data formatting task, the calculation module can concentrate on core arithmetic operation, and the utilization efficiency of calculation resources and the overall performance of the system are improved. Therefore, according to the system, through multiplexing of hardware modules and reasonable division of tasks, effective balance between calculation performance and hardware cost is achieved; in the aspect of functions, two matrix inversion accelerators which are reconstructed into Cholesky inversion and LU inversion are supported, and high performance, universality and expandability of matrix inversion are guaranteed.

The utility model discloses an image sensor comprising an image reading unit, the image reading unit comprises s image reading sub-modules, and s is an integer greater than 1; each image reading sub-module comprises n pixel quantization units, and n is an integer greater than 1; and each pixel quantization unit comprises k + 1 clocks and image field intensity signal counters which are arranged in series. A camera including the image sensor is also disclosed. The image sensor provided by the utility model greatly improves the overall working frequency of the circuit, and also shortens a large amount of counter clock tree analysis time. The method has better flexibility, greatly shortens the analysis time of a back-end tool, and supports higher counting frequency.

The application provides a memory controller, a memory access method, a chip and a computer device, and belongs to the technical field of memory access. The memory controller is connected with a memory. The memory controller comprises a synchronization module, a plurality of pseudo channels and a merging module. The synchronization module is connected with the plurality of pseudo channels respectively, and the merging module is connected with the plurality of pseudo channels respectively. The synchronization module sends a synchronization command to one pseudo channel, sends the synchronization command to the memory through the pseudo channel, and sends a synchronization flag signal to the plurality of pseudo channels respectively. After each pseudo channel receives the synchronization flag signal, the pseudo channel generates check information based on an access command, sends the check information and the access command to the merging module. The merging module merges the check information of the plurality of pseudo channels to obtain target check information, merges the access commands of the plurality of pseudo channels to obtain a target access command, and sends the target check information and the target access command to the memory. The scheme can improve the access efficiency and overall performance of the memory subsystem.