31results about How to "Implementation method is flexible" patented technology

The invention relates to a distributed coal mine rock burst monitoring method, belonging to a ground pressure monitoring method. The existing industrial Ethernet in a coal mine integrated automation system can be used for information transmission, a network sensor provided with an Ethernet interface is connected with a network, multiple measurements such as electromagnetic radiation, acoustic emission, micro-shock and the like which are used for reflecting signals of rock burst can be carried out, the measurement signals are transmitted into a host machine for monitoring the rock burst through the industrial Ethernet, and the host machine is used for analyzing, processing and locating a seismic source so as to realize rock burst monitoring; a main core of the network sensor is a singlechip provided with an Ethernet controller, and the measurement of three signals of electromagnetic radiation, acoustic emission and micro-shock can be realized by analog-to-digital conversion through three channels; and each sensor has the respective IP address. The method can be used for extracting features of various signals, carrying out event relativity analysis, extracting data fusion and event general features with different information, locating the seismic source and providing the analysis result of rock burst event.

The invention relates to a manufacturing method for a high-niobium TiAl system intermetallic compound and a TC4 titanium alloy composite component. Through the process methods such as the powder-solid joint containing and TC4 titanium alloy powder pretreatment technology and the high-niobium TiAl system intermetallic compound and TC4 titanium alloy hot isostatic pressing diffusion bonding technology, efficient and reliable welding under any complex-shape molded surfaces is carried out on a welding position of the connection part of the high-niobium TiAl system intermetallic compound and a TC4 titanium alloy, and the prepared high-niobium TiAl system intermetallic compound and the prepared TC4 titanium alloy composite component are stable and reliable in welding performance, compact in welding area, free of blind cracks and high in connector strength coefficient.

The invention discloses an enclosed space panel acoustic contribution degree identification method based on local measurement, and the method comprises the steps: setting two semi-enclosed holographicmeasurement surfaces in an enclosed space, and measuring the sound pressure values of the holographic measurement surfaces; based on an acoustic equivalent source principle, establishing an outer sound field virtual source surface and an inward sound field virtual source surface in the closed space, establishing a transfer relationship between the holographic measurement surface and the sound field virtual source surface, and calculating a source intensity column vector on the inward sound field virtual source surface; utilizing the admittance boundary condition of the surface of the to-be-measured vibration panel and the source intensity column vector on the inward sound field virtual source surface to calculate a scattering sound field generated when the inward sound field virtual source surface is incident to the surface of the to-be-measured vibration panel, and restoring the sound pressure and the normal vibration speed on the to-be-measured vibration panel under the free field condition; dividing the to-be-measured vibration panel into a plurality of discrete units, and calculating the acoustic contribution degree of the to-be-measured vibration panel to the closed sound field. According to the method, the local acoustic contribution degree of the closed space structure panel can be flexibly and quickly identified.

The invention provides a test equipment protection circuit, which solves the technical problems that the current test equipment and tested equipment lack effective protection measures and the like. The test equipment protection circuit comprises a management and control circuit, a hot plug protection circuit and an ID acquisition circuit, wherein a power supply of the equipment is connected with an adapter through the hot plug protection circuit, or the power supply of the equipment is directly connected with a tested module through the hot plug protection circuit under the condition of no adapter; the management and control circuit comprises a clamping circuit, a comparison circuit, a decoding circuit, a gate circuit assembly, a trigger circuit and a counting / timing circuit; an output end of the counting / timing circuit is divided into multiple signals which are respectively used as a corresponding switch control signal, a feedback protection signal and a driver / buffer / isolator control signal. The test equipment protection circuit can shield adverse effects of extreme work conditions on the test equipment in real time, so that the test equipment can well bear the extreme conditions.

The invention discloses a false detection method of a satellite navigation signal. Based on an initial position of a receiver, the method calculates a general location parameter, relative to the receiver, of a satellite, wherein the general location parameter is corresponding to the received satellite navigation signal, if the general location parameter is not within an observation vision field of the receiver, the general location parameter is judged to be a false signal, and the method further carries out false detection through calculating error distance of a spatial position of the satellite. The invention further discloses a satellite navigation positioning receiver. Through the above way, the method detects the false navigation signal through analyzing navigation message contents, strengthens anti-spoofing ability of the receiver, and further has the advantages of being low in implementation cost, strong in expansibility, capable of being firmly combined with the application mode of the receiver and the like.

The invention discloses a cell down covering balance method and a device, which are applied to a control station adopting beamforming, wherein the method comprises the following steps that: the control station carries out cyclic delay diversity (CDD) processing on the pilot frequency, the frame control head and the downlink mapping; the control station carries out CDD processing on the uplink mapping, the downlink control description and the up control description broadcasting message; and the control station carries out the CDD processing on management messages accessed into a terminal user. Through the CDD processing carried out on the pilot frequency, the covering ranges of the beamforming cell pilot frequency, the frame control head and the down MAP messages are widened, and the covering ranges of the broadcasting messages and the management messages are respectively widened through the CDD processing on the broadcasting messages and the management messages.

The invention provides a method for achieving the IP user mobile data business based on IP switch, which comprises: setting the mobile data business authorizing information of IP user, when IP user needs to do the mobile data business, the network side authorizes to the IP user mobile data business by the mobile data business authorizing information, providing the mobile data business to IP user by the authorizing result.

A method of identifying an optical disc is disclosed. The method includes enabling an optical pick-up unit to emit a first laser beam having a first wavelength to the optical disc; controlling the optical pick-up unit to move a focus point of the first laser beam in a direction of thickness of the optical disc; obtaining a first focus error (FE) signal corresponding to the first laser beam; counting a first s-curve number corresponding to s-curve occurring in the first FE signal; and identifying the optical disc according to the first s-curve number. Compared with the prior art, the invention provides a flexible realizing method capable of accurately identifying disk types, further improving the efficiency of the driving operation.

Said invention provides a group calling channel resource managing method in mobile communication system. It contains base station subsystem defining down detecting message to cell down user terminal and proceeding detecting, and proceeding channel resource manager according to down user detecting result. Said invention fully considers protocol compatibility and has simple implementation method, ensuring releasing group calling channel accuracy, thereby realizing saving system resources enhancing system resources utilization.

The invention provides a duplexing filter circuit and an implementation method. A filter circuit between a Term 1 port and a Term 2 port is a reciprocal network, and the Term 1 port serves as an input port while the term 2 port serves as an output port and vice versa. A radio frequency signal RF1 is input from the Term 2 port and is output from the Term 1 port via high frequency capacitors; or the radio frequency signal RF1 is input from the Term 1 port and is output from the Term 2 port via the high frequency capacitors. A filter circuit between the Term 1 port and a Term 3 port is a reciprocal network, and the Term 1 port serves as an input port while the term 3 port serves as an output port and vice versa. A frequency signal RF2 is input from the Term 3 port and is output from the Term 1 port via high frequency inductors; or the frequency signal RF2 is input from the Term 1 port and is output from the Term 3 port via the high frequency inductors. For high frequency circuits within the short-wave and ultrashort-wave frequency range, two paths of radio frequency signals with different frequencies can be isolated from each other and share transmitting and receiving antennas; if the power of any one path of radio frequency signals is attenuated by more than 60dB in the frequency range of the other path of radio frequency signals, the isolation between the two paths of radio frequency signals exceeds 60dB.

The invention relates to an instant message service processing method and relative service system, wherein in the transmission of instant message, it expands memory judgment and memory operation; based on the memory character of user on the IMPS server, storing received and sent messages, to store and manage IM message together. The invention can avoid message loss and hard management.

The invention relates to a distributed coal mine rock burst monitoring method, belonging to a ground pressure monitoring method. The existing industrial Ethernet in a coal mine integrated automation system can be used for information transmission, a network sensor provided with an Ethernet interface is connected with a network, multiple measurements such as electromagnetic radiation, acoustic emission, micro-shock and the like which are used for reflecting signals of rock burst can be carried out, the measurement signals are transmitted into a host machine for monitoring the rock burst through the industrial Ethernet, and the host machine is used for analyzing, processing and locating a seismic source so as to realize rock burst monitoring; a main core of the network sensor is a singlechip provided with an Ethernet controller, and the measurement of three signals of electromagnetic radiation, acoustic emission and micro-shock can be realized by analog-to-digital conversion through three channels; and each sensor has the respective IP address. The method can be used for extracting features of various signals, carrying out event relativity analysis, extracting data fusion and event general features with different information, locating the seismic source and providing the analysis result of rock burst event.

The invention discloses a sitting horizontal type individual lower limb rehabilitation training robot. The robot comprises a leg part mechanism, a middle seat mechanism and a man-machine interface. The leg part mechanism comprises an electric control box, a leg part mechanism substrate, a leg part mechanism machinery arm and handrails; the middle seat mechanism comprises a seat, a seat lifting mechanism, a seat push mechanism and a seat angle adjusting mechanism. A thigh and a crus of the leg mechanism machinery arm of the robot are adjustable in length, the seat is adjustable in both width and height; the functions are helpful to meet the demand of a patient with different figures and provide a proper training guest for the patient. Every joint of the leg part mechanism is configured with a driving motor, a pull pressure sensor and a position sensor for providing multiple training tracks to the patient and also providing hardware support to a plurality training methods including passive training, active training and assistant training. In the process of training, the pull pressure sensor of every joint of the leg part mechanism can provide a joint force monitor in order to avoid the unexpected cases.

The invention provides a method for realizing a mobile data service by an IP (Internet protocol) user based on IP access. The method is characterized in that: the mobile data service authorization information of the IP user is set; and when the IP user needs to carry out the mobile data service, the network side authorizes the mobile data service of the IP user according to the mobile data service authorization information of the IP user, and provides the mobile data service for the IP user according to the authorization result. According to the invention, authorization in the mobile data service is performed for the IP user needing to carry out the mobile data service so that an operator and the IP user can conveniently manage the mobile data service based on IP access, thereby achieving the purpose of improving the manageability of the mobile data service.

A control system of a three-dimensional laser scanning device disclosed by the present invention comprises a laser ranging module, a power supply module, a processor module, a motor driving and subdivision module, a mechanical rotating and scanning mechanism, an angle feedback module, a network transmission module and an upper computer. The control system integrates the functions as one, such as the laser scanning control, the data transmission, the data visualization, etc., can operate and control the three-dimensional laser scanning device to obtain the three-dimensional scene information of the space accurately, thereby enabling the physical scenes to reappear really and tridimensionally. Meanwhile, the interaction of a scanning device lower computer and the upper computer is realized, the operation personnel can send the control commands to the scanning device lower computer via the upper computer to set the parameters, such as the scanning resolution ratio, the scanning modes, etc., and the upper computer receives the point cloud data sent by the scanning device lower computer to denoise, smooth, visualize and the like. The control system disclosed by the present invention has the characteristics of being strong in feasibility, low in cost and convenient in networking.

The invention discloses a method for identifying the acoustic contribution degree of panels in a closed space based on local measurement, which includes: setting two semi-closed holographic measurement surfaces inside the closed space, and measuring the sound pressure value on the holographic measurement surfaces; The principle is to establish the virtual source surface of the external sound field and the virtual source surface of the inward sound field in the closed space, establish the transfer relationship between the holographic measurement surface and the virtual source surface of the sound field, and calculate the source intensity column vector on the virtual source surface of the inward sound field; The admittance boundary condition of the surface of the vibrating panel to be measured and the source intensity column vector on the virtual source surface of the inward sound field are calculated, and the scattered sound field generated by the virtual source surface of the inward sound field incident on the surface of the vibrating panel to be measured is calculated to restore the The sound pressure and normal vibration velocity on the vibration panel to be measured; the vibration panel to be measured is divided into several discrete units, and the acoustic contribution of the vibration panel to be measured to the closed sound field is calculated. The invention can flexibly and quickly identify the local acoustic contribution of the structure panel in the closed space.

The invention discloses a false detection method of a satellite navigation signal. Based on an initial position of a receiver, the method calculates a general location parameter, relative to the receiver, of a satellite, wherein the general location parameter is corresponding to the received satellite navigation signal, if the general location parameter is not within an observation vision field of the receiver, the general location parameter is judged to be a false signal, and the method further carries out false detection through calculating error distance of a spatial position of the satellite. The invention further discloses a satellite navigation positioning receiver. Through the above way, the method detects the false navigation signal through analyzing navigation message contents, strengthens anti-spoofing ability of the receiver, and further has the advantages of being low in implementation cost, strong in expansibility, capable of being firmly combined with the application mode of the receiver and the like.

The invention provides a test equipment protection circuit, which solves the technical problems that the current test equipment and tested equipment lack effective protection measures and the like. The test equipment protection circuit comprises a management and control circuit, a hot plug protection circuit and an ID acquisition circuit, wherein a power supply of the equipment is connected with an adapter through the hot plug protection circuit, or the power supply of the equipment is directly connected with a tested module through the hot plug protection circuit under the condition of no adapter; the management and control circuit comprises a clamping circuit, a comparison circuit, a decoding circuit, a gate circuit assembly, a trigger circuit and a counting / timing circuit; an output end of the counting / timing circuit is divided into multiple signals which are respectively used as a corresponding switch control signal, a feedback protection signal and a driver / buffer / isolator control signal. The test equipment protection circuit can shield adverse effects of extreme work conditions on the test equipment in real time, so that the test equipment can well bear the extreme conditions.

A digitalized peak current control device comprises a sampling circuit, a given circuit, a single chip microcontroller, a digital-analog converting circuit, a rectifying circuit, and a peak current control circuit; the peak current control circuit comprises a first comparator, a first latch, and a first AND gate; the single chip microcontroller comprises a first output end for outputting a first PWM signal and a second output end for outputting a second PWM signal; the single chip microcontroller is used for figuring out a digital signal based on an output voltage and an output current collected by the sampling circuit, and a reference signal output by the given circuit; the digital-analog converting circuit is used for converting the digital signal into an analog signal and outputting the analog signal to the first comparator; the rectifying circuit is used for rectifying an input current collected by the sampling circuit, and outputting the rectified input current to the first comparator via the output end of the rectifying circuit; a level signal output from the output end of the first AND gate is used for controlling the on and off states of a switch tube of a switching power supply. The digitalized peak current control device has the advantages of low cost, high reliability, and the like.

The invention provides a method and a device for automatically adjusting chroma and saturation. The method comprises the following steps: calculating the chromatic value and the saturation value of each pixel based on Y, CB and CR values of a video signal; acquiring a saturation variation value by looking up a chroma-saturation variation comparison table containing weighting functions of different chroma based on the chromatic value, and acquiring a weighted value based on the chroma adjustment after multiplying a gain parameter by the saturation variation value; and acquiring an adjusted CB value and an adjusted CR value after multiplying the finally acquired chroma adjustment weighted value by the CB value and the CR value respectively so as to be convenient to output the adjusted CB and CR values to a display device for display. The invention adopts the gain adjustment algorithm to adjust the saturation of any colors in any degrees, has effective and flexible implementation method, enhances the quality of digital video images and satisfies different requirements of users for video quality.

The invention relates to the technical field of system fault recovery, in particular to a method for realizing component self-healing based on a template. The method comprises the following steps: dividing a configuration component self-healing area into a basic template and a self-defined template; And when self-healing is needed, executing the corresponding basic template and the self-defined template. According to the method, the problem that the self-defined self-healing operation cannot be performed in the traditional system fault recovery is solved, and the flexibility of component self-healing after the system fault is ensured.

The invention relates to a method for rapidly constructing an embedded system communication way, which comprises that: an embedded operating system is installed in advance in an embedded target machine; cross compilation is performed on a pluggable communication service framework, a protocol plug-in, a media plug-in and a modeling tool of the pluggable communication service framework in a personal computer (PC), and a cross-compiled target program is downloaded into the embedded target machine; and the embedded target machine runs the modeling tool to perform communication channel modeling and data modeling, and runs the pluggable communication service framework to dynamically generate communication processing plug-ins of each communication channel to finish the construction of the embedded system communication way. The embedded system communication way can be online changed. For various embedded systems, a user can flexibly configure the combination of the protocol plug-ins and the media plug-ins according to embedded hardware resources to easily construct the network communication way required by the user, greatly shorten the development and debugging cycle of the communication way and bring convenience to maintenance and development.

The present invention relates to an NMOS line array image sensor, comprising: sensor pixels grouped according to integration time; a driving pulse sequence 1 used for initial reset of the image sensor and for normal data readout of the image sensor; Driving pulse sequence 2 of readout pulses for a group of pixel data with the same integration time. The NMOS line array image sensor of the invention has good performance and can improve the signal-to-noise ratio of the output signal of the image sensor.

The invention discloses a happy site inconsistency processing method, which comprises the following steps of: receiving information sent by a terminal from enhanced uplink control channels (E-DPCCH) of a main carrier and an auxiliary carrier by a NodeB; and acquiring happy sites of the main carrier and the auxiliary carrier on respective E-DPCCH respectively, judging whether the two happy sites are consistent, and determining the terminal as unhappy side by the NodeB when the two happy sites are inconsistent. The invention also discloses a happy site inconsistency processing device and a base station at the same time. The method and the device can simply and efficiently optimize the performance of the terminal and the NodeB.

The present invention relates to the field of computer vision, in particular to a small-sample object classification method based on two-way structure contrast embedding learning, comprising the following steps: Step 1: using large-scale labeled data of basic classes to construct a two-way structure contrast embedding network; step Two: Input a small number of labeled pictures of the new class into the two-way structure comparison embedding network in turn, extract the corresponding picture features, and calculate the mean value of all picture features in each category as the prototype of the category; Step 3: Input the test picture The two-way structure contrasts the embedded network to extract image features, calculates the cosine similarity between the test image features and all categories of prototypes, and normalizes the cosine similarity, and selects the object category with the maximum similarity as the test image. The final prediction result. The method of the invention is simple and flexible, and can improve the generalization ability of the feature embedding learning network, thereby increasing the training speed of the model and improving the classification performance of new class objects.

The invention provides a centralized control device beside ship main propulsion device and control method. The control method comprises the following steps: step 1, controlling the local centralized control device to obtain a local-level remote control authority through a host control panel; step 2, controlling a local host to be connected through the host control panel, automatically adjusting the rotating speed of the local host to a first host connecting rotating speed, and automatically connecting; and step 3, when double-engine parallel operation is needed, controlling a coaxial main engine to be connected and arranged by the host control panel, automatically adjusting the rotating speed of the coaxial main engine to the actual rotating speed of the main engine, then carrying out automatic connection and arrangement, and completing automatic synchronous parallel operation. The centralized automatic control function and state display of the local main propulsion device of the engine room are realized, the emergency control function is considered, the operation is simple and convenient, the automation degree of local control of the engine room and the operation efficiency of the main propulsion device under the emergency working condition are improved, the ship vitality is improved, and the device is especially suitable for an automatic control system of a ship main propulsion device.