187 results about "Wave form" patented technology

The invention relates to the field of knowledge questioning and answering, and particularly discloses a knowledge questioning and answering method and system based on the artificial intelligence technology and electronic device.Firstly, to-be-recognized audio collected by a sound sensor and an oscillogram extracted from the to-be-recognized audio collected by the sound sensor are obtained; and then feature extraction and correlation analysis are performed on the two, and finally a classification result is obtained through a classifier to judge whether the to-be-identified audio is the human voice audio needing knowledge questioning and answering, so that it is ensured that the system only processes the human voice audio needing knowledge questioning and answering, and the performance and user experience of the knowledge questioning and answering system are improved.

A disk-pack turbine for use, for example, in systems and methods in at least one embodiment for separating fluids including liquids and gases into subcomponents by passing the fluid through a vortex chamber into an expansion chamber and then through at least a portion of a waveform pattern present between at least two rotors and / or disks. The rotors and / or disks having waveform patterns on at least one side. In at least one embodiment, the waveform patterns include a plurality of hyperbolic waveforms travelling around an axial center of the disk with each hyperbolic waveform having a varying diameter along the waveform.

A heat exchanger includes a fluid flow passage with a wavy fin turbulizer. The turbulizer includes sidewalls extending lengthwise along a fluid flow direction between its first and second ends, and the sidewalls are spaced apart across the width of the turbulizer. Each flow channel of the turbulizer is defined between two adjacent sidewalls. Each sidewall has a smoothly and continuously curved profile with repeating wave forms being defined along the length of the turbulizer. The continuously curved profile of the sidewalls is defined by a non-circular shape, such as elliptical, sinusoidal, parabolic and hyperbolic shapes. The radius of curvature changes constantly and reaches a maximum at or near the inflection point between adjacent crests and troughs of the profile, to provide improved particle pass-through, lower pressure drop, and enhanced plateability of internal surfaces.

An adult sex toy, including a drive member and a sliding member. The sliding member includes a first positioning plate, rotating plates, a second positioning plate, and a serpentine rod. One end of the serpentine rod is movably assembled on the first positioning plate, and the other end of the serpentine rod is movably assembled on the second positioning plate. A plurality of rotating plates are movably sleeved on the serpentine rod, and the drive member is connected to one end of the serpentine rod and drives the serpentine rod to rotate. Driven by the serpentine rod, the rotating plates squirm in a wave form or a snake-like crawling form. This unique waveform movement brings a new sense of excitement to users, while the ups and downs of the rotating plates also simulate a real touch, bringing users a pleasant experience.

The invention relates to the technical field of laser, and provides a laser system with a controllable pulse state and a control method thereof. The control method of the laser system with the controllable pulse state comprises the steps that under the conditions that the cavity length of an FP cavity is in an initial fit state and the air pressure in the FP cavity is standard air pressure, a pump light source is controlled to adjust the pump power according to a first set; in response to the fact that the target pulse interval is smaller than the initial pulse interval, the pump light source is controlled to keep the target power unchanged, the air pressure of the FP cavity is adjusted to be within the preset range, and the cavity length of the FP cavity is adjusted through a second set; determining a target cavity length; controlling the laser to be output in a first pulse state; and controlling the laser to output in a second pulse state. According to the control method, the controllably generated abnormal wave form with the high peak power is introduced according to the preset frame structure to serve as a physical layer disturbance or random segment, and the reliability and safety of system signal transmission are improved under the condition that data segment transmission is not affected.

The invention provides a connection method and system for a vehicle-mounted central control screen and a central control box, and is applied to the field of communication data processing. Interference in a complex electromagnetic environment of a vehicle is effectively dealt with through intelligent monitoring and real-time adjustment of the data link between the vehicle-mounted central control screen and the central control box, and interference signals and parameters which may affect the performance of the central control screen can be timely identified by real-time detection and judgment of whether the data link is overtime and acquisition of electromagnetic interference source information. Sensing data is associated with state data of the central control screen, electromagnetic interference trend can be accurately generated, so that whether interference of the same electromagnetic wave form exists or not is analyzed, and the process helps a system to accurately position an interference source, take targeted measures, dynamically adjust a signal transmission mode and improve signal transmission efficiency. The occurrence probability of image dithering, touch control failure and signal loss is reduced, the stability and reliability of the vehicle-mounted central control screen are improved, and it is ensured that high-quality user experience can still be provided in a complex electromagnetic environment.

A heat exchanger includes a fluid flow passage with a wavy fin turbulizer. The turbulizer includes sidewalls extending lengthwise along a fluid flow direction between its first and second ends, and the sidewalls are spaced apart across the width of the turbulizer. Each flow channel of the turbulizer is defined between two adjacent sidewalls. Each sidewall has a smoothly and continuously curved profile with repeating wave forms being defined along the length of the turbulizer. The continuously curved profile of the sidewalls is defined by a non-circular shape, such as elliptical, sinusoidal, parabolic and hyperbolic shapes. The radius of curvature changes constantly and reaches a maximum at or near the inflection point between adjacent crests and troughs of the profile, to provide improved particle pass-through, lower pressure drop, and enhanced plateability of internal surfaces.

The invention discloses an intrusive rock alteration zone reservoir prediction method comprising the following steps: S1, analyzing and identifying sensitive logging parameters of an intrusive rock alteration zone, and establishing a dominant lithology identification combination chart; s2, establishing a model, and determining seismic response characteristics of intrusive rocks; s3, quantitative evaluation is carried out on the intrusive rock; s4, reservoir prediction of the intrusive rock alteration zone is carried out; and S5, quantitatively predicting the reservoir distribution and thickness of the intrusive rock alteration zone. According to the method, through different lithologic logging response characteristics, a multi-parameter intersection advantage lithologic chart is established, wave group characteristics of intrusive rocks are determined, and the distribution range and thickness of the intrusive rocks are identified by utilizing wave impedance inversion and optimizing attributes of a product of a reflection intensity alternating current component and a phase cosine; and waveform indication inversion of the invaded rock mud shale alteration zone is carried out by using natural potential as a characteristic curve, and reservoir distribution and thickness of the invaded rock alteration zone are predicted and are basically consistent with actual drilling thickness.

The invention belongs to the technical field of physiological electric signal detection, and particularly relates to a ratchet wave detection system and epilepsy detection equipment. According to the ratchet wave detection system, the ratchet wave detection unit is used for detecting signal data to obtain the ratchet wave detection result, then the ratchet wave screening unit is used for screening the ratchet wave from the ratchet wave detection result, the waveform of the ratchet wave is displayed in the waveform display area, and finally the preset value of the sensitivity is adjusted to change the displayed waveform of the ratchet wave. The detection error caused by the difference of the ratchet wave forms can be better processed, the ratchet wave forms are combined with the screening threshold value, the universality requirement is met, and the whole system has high adaptability.

The present invention is a reconfigurable antenna, which includes a total reflection part, a partial reflection part, a partial transmission part, and a radiation part stacked in sequence. A resonant cavity is formed between the partial reflection part and the total reflection part. The radiation part is arranged in the resonant cavity. So that the electromagnetic wave radiated by the radiation part is reflected in the resonant cavity. The electromagnetic wave forms constructive interference during the reflection of the resonant cavity. The resonant cavity makes the electromagnetic wave form the same phase electromagnetic wave and radiation penetrating the reflection part. The partial transmission part is regulated to form beam reconstruction conditions, and the same-phase electromagnetic waves are formed into beams and radiated into space by the beam control conditions.

To determine defects during molding by combining a monitoring data set and waveform data in the same dimension, the setting time data acquisition module 112 is configured to acquire a variety of setting time data 91, which are monitoring data at preset times among the monitoring data obtained when a molded article is formed by an injection molding machine 1; a waveform data acquisition module 113 is configured to acquire waveform data 95, which are the monitoring data that are continuous within a predetermined period among the monitoring data; a sample point data acquisition module 114 is configured to acquire a variety of sample point data 97, which are data at a variety of sample points 96 in the waveform data 95;A combination data generation module 115 is configured to combine a monitoring data group 92, which contains the multitude of parts of setting time data 91 and the multitude of parts of sampling point data 97, to generate combined data 90; and a pass / fail determination module 127 is configured to determine whether a defective item has occurred in the formed item, based on the combined data 90 contained therein.

The enclosure mounting system is for hanging enclosures and includes a wall rail and a hanging rail. The enclosure mounting system can include an enclosure and a pair of rotary footings. The wall rail has a wave form pattern profile extending from a first end to a second end and is configured to mount to a surface. The hanging rail is configured to hang onto the mounted wall rail. The wall rail can include an at least one end segment that receives an end of a second wall rail. The at least one end segment receives a central segment of the second wall rail and the corresponding wave form pattern profile promotes self-aligning. The second wall rail is further aligned to the first wall rail by mounting the at least one end segment, with an end of the central segment of the second wall rail, to the surface.

The invention relates to the technical field of artificial intelligence, in particular to a steel structure welding seam quality detection method and device based on artificial intelligence. The method comprises the following steps: performing a mechanical property test of which the duration is a target duration on a target welding seam of which the quality is to be detected in a target steel structure body, so as to obtain target strain data of the target welding seam; preprocessing the target strain data to obtain a target time-frequency matrix; inputting the target time-frequency matrix into a pre-trained quality detection model, so that the quality detection model determines target propagation characteristic data of the target strain wave according to the target time-frequency matrix, and determines a quality detection result of the target welding seam according to the target propagation characteristic data; wherein the strain wave indicates that the deformation generated by the welding seam is propagated in the steel structure body in a wave form; according to the invention, the technical problems of limited hidden defect identification and existence of detection blind areas and artificial errors in the existing welding seam quality detection method can be solved.

The invention relates to the technical field of signal identification, in particular to a signal identification method and device, identification equipment and a storage medium. The method comprises the following steps: preprocessing a collected signal to be identified to obtain an oscillogram, a power diagram and an effective bandwidth of the signal to be identified, determining the actual length of each special sequence through the oscillogram and the power diagram, and estimating the length of each OFDM symbol through the actual length of each special sequence; taking the length and the effective bandwidth of each OFDM symbol as basic parameters, performing estimation based on the basic parameters to obtain at least one group of estimation parameters, mapping a to-be-identified signal into a constellation diagram based on each estimation parameter, determining a modulation type corresponding to each constellation diagram, determining a target parameter from each estimation parameter based on the modulation type corresponding to each constellation diagram, and determining a to-be-identified signal according to the target parameter. And determining a complete parameter of the to-be-identified signal based on the target parameter to obtain an identification result. According to the method provided by the invention, the identification efficiency of the unknown OFDM signal can be improved.

The invention belongs to the technical field of floating breakwaters, and discloses a floating breakwater for deepwater net cage protection. The floating breakwater for deepwater net cage protection comprises connecting frames, floating pipes, upper wave absorbing pipes and lower wave absorbing pipes, the multiple connecting frames are arranged in parallel, the front floating pipe and the rear floating pipe penetrate through the connecting frames to be connected, the upper sides of the connecting frames are connected through the upper wave absorbing pipes, and the lower sides of the connecting frames are connected through the lower wave absorbing pipes. And an anti-wave mechanism is arranged in the middle of the connecting frame and located between the two floating pipes. According to the floating breakwater for deepwater net cage protection, by means of the design of the wave prevention mechanism, the floating assembly can be used for transferring and consuming internal energy of waves, meanwhile, the wave shielding assembly is linked to shield and divide raised waves and destroy the wave form to achieve the wave prevention purpose, the structure is simple, maintenance is easy, and the problems proposed in the background technology are solved.

The present disclosure provides a QRS wave form detection method and system based on electrocardiogram QRS wave position, relates to the technical field of electrocardiogram signal processing, and comprises the following steps: acquiring electrocardiogram data to be detected, and pre-processing the electrocardiogram data; identifying the start and end point positions of QRS waves in the electrocardiogram data, and intercepting the QRS wave segments corresponding to all the identified QRS wave start and end point positions; performing a shift operation on the QRS wave segments to record the QRS wave data positions, sequentially numbering, then cutting the QRS wave data according to the recorded position data points and the front and rear two position data points, calculating the absolute value of the cut QRS wave data, taking the maximum value, and judging the current QRS wave form according to a threshold value; and the present disclosure can improve the efficiency of QRS wave form detection.

The application discloses a sound source accurate positioning method based on an acoustic sensor array, and comprises the following steps: step one, inputting an audio segment and capturing the audio segment through an acoustic sensor; step two, making an audio image, that is, making a waveform image of the input audio; step three, acquiring a characteristic waveform, that is, cutting the waveform image to intercept a sound waveform that changes; step four, waveform analysis, that is, analyzing the intercepted waveform image and the input audio segment to obtain characteristic information contained in the audio; and step five, characteristic information analysis, that is, analyzing the information characteristic obtained in step four. In the implementation of the scheme, the characteristic in the audio segment is analyzed, the characteristic value is anchored, and then the array sound source is analyzed through the characteristic value, so that the characteristic value can be quickly and accurately positioned, the comparison range is reduced, the comparison judgment speed is accelerated, and the result accuracy is improved.

This invention provides a washing machine, an automatic dispenser, and a control method thereof. The automatic dispenser uses an ultrasonic generator to emit ultrasonic waves; an upper reflective surface is located above the nozzle; an oblique reflective surface is located below the nozzle. After passing through the oblique reflective surface, the ultrasonic waves form an upward-propagating wave, and after passing through the upper reflective surface, they form a downward-propagating wave. The upward and downward waves superimpose to form a standing wave. The vertical distance between the ultrasonic generator and the upper reflective surface satisfies the resonant cavity condition. The nozzle is located at the acoustic pressure node of the standing wave. The controller acquires the droplet mass that the maximum acoustic levitation force of the ultrasonic wave can support, obtains the dispensing mass, and calculates the target number of dispensing droplets based on the droplet mass that the maximum acoustic levitation force of the ultrasonic wave can support and the dispensing mass. When the counting detector detects that the number of droplets has reached the target number, the nozzle is controlled to stop dispensing droplets. This invention is based on acoustic levitation technology, has a relatively small error, and high dispensing accuracy, offering significant advantages for dispensing concentrated liquids.

The utility model relates to the related technical field of traffic engineering safety guardrail machining, in particular to a cutting device for traffic engineering safety guardrail machining. Supporting rods are arranged at the four corners of the top of the rack, and the top ends of the supporting rods are fixedly connected with the top plate. Under the matching action of the rack, the supporting rod, the top plate, the wave-shaped guardrail body, the pressing plate, the supporting plate, the fixing plate and the self-locking mechanism, pressure can be applied to the sunken position of the wave-shaped guardrail in a downward pressing mode, the wave-shaped guardrail can be fixed, deformation can be avoided when the wave-shaped guardrail is fixed, and the service life of the wave-shaped guardrail is prolonged. The cutting-off device for traffic engineering safety guardrail machining solves the problems that according to an existing cutting-off device for traffic engineering safety guardrail machining, two stabilizing plates are matched to clamp the two sides of a guardrail through the weight of the guardrail, but due to the fact that a wave-shaped guardrail is thin and is in a wave shape, when the two sides of the wave-shaped guardrail are clamped, the wave-shaped guardrail is prone to deformation.

Inferential information relating to mold conditions or the like is displayed along with a waveform diagram (561 to 564) indicating information acquired by an injection molding machine (10), and user settings for the injection molding machine (10) are supported. A processing unit (440) acquires inferential data relating to injection molding information, which is inferred based on information relating to a shot during injection molding and on information obtained during the shot. A display control unit (430) causes a display unit (300) to display a screen (500, 600, 700) containing the waveform diagram (561 to 564), which indicates a change over time of an actual value obtained during the shot using a waveform, and on which reference information based on the inferential data is added to the waveform diagram (561 to 564).

The signal synthesis device comprises a waveform synthesis part. That obtains a function obtained by subtracting a function obtained by multiplying a function determined by a parameter value of a parameter for determining a second unimodal distribution by a parameter value of a second weight parameter from a function obtained by multiplying a function determined by a parameter value of a parameter for determining a first unimodal distribution by a parameter value of a first weight parameter, and adding a parameter value of a first leveling parameter the synthesized waveform of the R wave is formed by the obtained function; obtained by subtracting, from a function obtained by multiplying a function determined by a parameter value of a parameter for determining a third unimodal distribution by a parameter value of a third weighting parameter, a function obtained by multiplying a function determined by a parameter value of a parameter for determining a fourth unimodal distribution by a parameter value of a fourth weighting parameter, and adding a parameter value of a second leveling parameter the time axis of the waveform formed by the function is reversed to form the synthetic waveform of the T wave, and the synthetic waveform of the R wave and the synthetic waveform of the T wave are connected.

The invention discloses a rendering method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: obtaining a target pixel point of a water area model in a virtual scene, and enabling the target pixel point to be located in a water area boundary region of the water area model; the water area boundary area is adjacent to the land model in the virtual scene; calculating a target normal of the target pixel point on a wave formed in the water area boundary region based on motion control information for the pixel point; determining the illumination intensity of the target pixel point based on the target normal and the shooting direction of a virtual camera in the virtual scene; and rendering a light and shadow effect on the target pixel point based on the illumination intensity so as to form a wave effect in the water area boundary area. According to the embodiment of the invention, resources consumed when a wave effect is formed in a water area can be reduced.

The present application relates to a kind of line fault single-ended traveling wave identification and wave head calibration method based on waveform Turing sensitive angle detection, belong to transmission line fault location technical field.First, time-domain waveform is imaged, in the perspective of digital image, the most sensitive angle of wave head mutation is detected using Radon transformation variable-angle projection, and the non-axis symmetry characteristics on the two sides of the most sensitive angle of wave head are used for detection effectiveness check, wave head group containing multiple wave heads can be effectively detected, with self-checking capability, it can be applied to various bus outgoing line types.The wave head calibration method proposed in the present application has strong robustness, and the detection result is not affected by fault conditions, signal conditioning link, algorithm itself parameter.

The present invention is a reconfigurable antenna, which includes a total reflection part, a partial reflection part, a partial transmission part, and a radiation part stacked in sequence. A resonant cavity is formed between the partial reflection part and the total reflection part. The radiation part is arranged in the resonant cavity. So that the electromagnetic wave radiated by the radiation part is reflected in the resonant cavity. The electromagnetic wave forms constructive interference during the reflection of the resonant cavity. The resonant cavity makes the electromagnetic wave form the same phase electromagnetic wave and radiation penetrating the reflection part. The partial transmission part is regulated to form beam reconstruction conditions, and the same-phase electromagnetic waves are formed into beams and radiated into space by the beam control conditions.

The invention provides a ground material type detection method and equipment, which can be applied to the technical field of autonomous mobile equipment. The method comprises the following steps: transmitting ultrasonic waves to the ground, and receiving echoes of the ultrasonic waves to obtain an echo waveform diagram; the longitudinal axis of the echo waveform diagram is positively correlated with the echo intensity, and the transverse axis of the echo waveform diagram is positively correlated with the time; identifying wave troughs in the echo waveform graph; determining the number of echo groups in the echo waveform diagram according to the wave troughs; and determining a ground material type according to the number of the echo groups. The ground material type is detected through the number of the echo groups of the ultrasonic waves, and the detection accuracy of the ground material type can be improved. Moreover, only one ultrasonic sensor is needed to detect the type of the ground material, the occupied space is small, and the cost of the autonomous mobile equipment is reduced.

The application discloses a pig drinking water container and application thereof, which comprises a flexible material layer with a leakage prevention function and a wave form control mechanism, and the wave form control mechanism is used for controlling the flexible material layer to switch to a bowl-shaped structure and a cap-shaped structure as required. The pig drinking water container can be applied in pig feeding and pig welfare. By adopting the scheme of the application, the bowl-adhered residual substances can be smoothly, quickly and effectively discharged without using a water source or an air source, the drinking water container can be kept dry and clean at all times within a specified time period, the pig drinking water is effectively combined with the pig welfare interest play, the drinking water container can be flexibly switched to various different shapes for the pigs to play, the drinking water container can be alternatively used as a feeding trough and a drinking trough, and the pig drinking water container is diversified in functions.

In one embodiment, an interconnect apparatus (e.g., an interposer apparatus) includes a plurality of interconnect probes that each include a wave spring structure that includes a plurality of stacked wave spring discs. The wave spring discs may be formed in a sinusoidal wave form shape, or in another wave form shape.

A shear wave generation method and device, comprising: an array element emits a pulsed ultrasonic wave to an area of ​​interest at one time, the pulsed ultrasonic wave forms at least two focal points in the sound field, and the at least two focal points are used as shear wave sources to form a shear wave band propagating in a direction perpendicular to the emission direction of the pulsed ultrasonic wave. The present invention also discloses a shear wave ultrasonic elasticity detection method and device, because in the same pulsed ultrasonic wave emission, the pulsed ultrasonic wave converges into multiple focal points in the sound field, and under the joint action of the multiple focal points, a shear wave band propagating in a direction perpendicular to the emission direction of the pulsed ultrasonic wave is formed, thereby expanding the propagation range of the shear wave in the tissue, so that the detection ultrasonic wave can perform elasticity detection on a wide range of tissues.

The present invention discloses a vibration-damping and noise-reducing superstructure design method, comprising the following steps: S1. Obtaining basic parameters and design input information of a base structure; S2. Calculating the original wave dynamics characteristics of the base structure to obtain the basic wave form of the base structure; S3. Introducing an additional mass cost as a constraint condition, updating the calculated wave dynamics characteristics of the base structure to obtain multiple acoustically weak frequency points; S4. Conducting structural design of a metamaterial basic unit; S5. Layout design of the metamaterial basic unit to form a vibration-damping and noise-reducing superstructure; S6. Calculating the wave dynamics characteristics of the vibration-damping and noise-reducing superstructure and comparing and judging them with target design indicators A and B, and continuously running the program until both target A and target B are met. The present invention also specifically discloses a metamaterial basic unit. The present invention has the advantage of being able to effectively reduce vibration and noise at different frequencies while meeting lightweight requirements.