39results about How to "Achieving Adaptive Matching" patented technology

The invention discloses an interface matching method, device and system for a PON (passive optical network). The method comprises the following step: PON equipment determines the type of the current network based on a received signal; whether the interface mode of the PON equipment is matched with the type of the current network is judged; the PON equipment enters into the normal working state if the interface mode of the PON equipment is matched with the type of the current network; and then the PON equipment automatically selects an interface matched with the type of the current network and enters the normal working state if the interface mode of PON equipment is not matched with the type of the current network. In the embodiment of the invention, adaptive matching of interfaces can be realized by automatic selection of the PON equipment, thus obviously reducing the equipment management and maintenance cost of network operators.

The invention provides an antenna adaptive impedance matcher and a matching method. The antenna adaptive impedance matcher comprises a sampling module, a control module and an impedance matching circuit, wherein the input end of the sampling module is connected with the output end of an antenna load, and the output end of the sampling module is connected with the input end of the control module; the sampling module is used for sampling an output electric signal of the antenna load, and transmitting a sampling result to the control module; the output end of the control module is connected withthe input end of the impedance matching circuit; the control module is used for generating an adjustment signal according to the sampling result and transmitting the adjustment signal to the impedancematching circuit; the impedance matching circuit is used for adjusting the impedance value of a transmission wire according to the adjustment signal, so that the impedance value of the transmission wire is matched with the impedance value of the antenna load, the technical problem that a fixed matching network-based impedance matching technology is not adaptive to wide frequency band impedance matching can be solved, and the technical effect that the communication quality of a satellite phone is adaptive to impedance matching without being affected by position changes and is improved can be achieved.

The invention discloses a rotary transformer decoding circuit. A rotary transformer decoding chip outputs a preset excitation signal, and inputs the preset excitation signal to the input end of an excitation signal push-pull amplifier circuit connected with the rotary transformer decoding chip. The excitation signal push-pull amplifier circuit receives the preset excitation signal and amplifies the preset excitation signal. The excitation signal push-pull amplifier circuit outputs an excitation signal needed for a rotary transformer according to the resistance of a digital potentiometer. A digital signal processor control circuit is connected with the rotary transformer decoding chip, receives a feedback signal of the rotary transformer decoding chip, and adjusts the resistance of the digital potentiometer connected with the digital signal processor control circuit, thus realizing adaptive matching for different rotary transformers. The invention further discloses a control method of the rotary transformer decoding circuit.

The invention provides a resin-base nonlinear composite material for a low temperature environment and a preparation method of the resin-base nonlinear composite material. The resin-base nonlinear composite material is prepared from the following components in parts by weight: 50-60 parts of epoxy resin, 15-25 parts of a curing agent, 20-40 parts of a flexibilizer, 2-5 parts of a silane coupling agent and 5-10 parts of functional fillers. The preparation method has the advantages that the operation process is simple, and the preparation cost is relatively low. According to the technical scheme, polymer epoxy resin and functional inorganic fillers (such as silicon carbide and zinc oxide) are composited so as to obtain the nonlinear composite material capable of automatically uniformizing the distribution of non-uniform electric fields, so that the generation of space charges is effectively inhibited, and the electrical performance of an insulation structure is improved.

The invention provides an adaptive mode matching method and device. The adaptive mode matching method provided by the invention comprises the following steps: after a first device is successfully connected with a second device in a first working mode, if the rate in the first working mode is greater than or equal to a set threshold, then keeping the first working mode, and stopping switching the working mode; and otherwise, switching the working mode according to a sequence of rates from high to low, and if the first device is successfully connected with the second device in the current working mode in a switching process, keeping the current working mode, and stopping switching the working mode. After the first device is successfully connected with the second device, if the first device judges the rate in the successfully connected working mode is smaller than the set threshold, the first device switches the working mode according to the sequence of rates from high to low so as to connect with the second device in the high-rate working mode, and thus data transmission is preferably performed in the high-rate working mode on the basis of realizing the adaptive matching of the working mode.

The embodiment of the invention discloses a communication interface matching method, a device and a controller. The communication interface is arranged in a mode that the Baud rate can be configured; each communication interface is connected with a bus network; specifically, when the communication interfaces are matched, first data transmitted from a first bus network connected with the first communication interface are received through the first communication interface; when confirming that the first data are correctly transmitted and the formats of the first data are matched with a first preset format, the matching is definitely accomplished, or else the Baud rate of the first communication interface is reconfigured and subsequently data transmitted from the first bus network are received, then self-adaptive matching of the communication interfaces is achieved, the corresponding relationship of the interfaces and the bus network can be confirmed without checking an operation instruction, and thus the networking efficiency is improved.

The invention discloses an auxiliary supporting type wave simulation generating device under a high gravity field. The device comprises a model box and a wave generation unit; a rock-soil body is arranged at the bottom in the model box, a simulation maritime work structure is arranged on the rock-soil body, the water is placed at the upper part of the rock-soil body in the model box; a sliding module and a connecting rod are in rotational connection, the connecting rod and a rocker structure are in rotational connection, thereby accomplishing the power transmission and movement realization tothe rocker structure from a hydraulic cylinder, and the angle different problem between the rocker and a hydraulic cylinder piston rod in the rocker swinging process is solved. The height difference problem between the connecting location of the rocker and connecting plate and the piston rod of the hydraulic cylinder in the rocker swinging process is solved through the sliding module; the integration of the sliding and the rotation is realized through a relay sliding block structure, the self-adaptive matching of the combined transmission unit sliding device and rotation device and the rockerstructure swinging movement is realized, and the movement decoupling between the piston rod of the hydraulic cylinder and the rocker is realized.

The invention discloses a motor rotation transformer intelligent identification system and a control method thereof. The system comprises a motor rotation transformer module, a rotation transformer resolving chip, a first amplifying circuit, a second amplifying circuit, and a controller module. The motor rotation transformer module outputs sine and cosine signals to the second amplifying circuit. The second amplifying circuit carries out signal amplifying processing on the sine and cosine signals so as to output a first sine signal and a first cosine signal. The rotation transformer resolving chip collects the first sine signal and the first cosine signal and outputs a group of excitation signals. The first amplifying circuit carries out signal amplifying processing on the group of excitation signals and sends the excitation signals which are subjected to amplifying processing to the motor rotation transformer module. The controller module collects the excitation signals which are subjected to amplifying processing and collects the sine and cosine signals, the rotation transformer change of the motor rotation transformer module is calculated on the above basis, and the magnification ratio of the first amplifying circuit and/or the second amplifying circuit is adjusted in accordance with the rotation transformer ratio adjustment such that the first sine signal and the first cosine signal are in the sampling interval of the rotation transformer resolving chip.

The embodiment of the invention provides a method for realizing pulmonary nodule adaptive matching based on CT image skeleton registration. The method comprises the following steps of data preparation, lung and skeleton point cloud data extraction, three-dimensional point cloud data registration and pulmonary nodule adaptive matching. . Firstly, lung image data and pulmonary nodule data are subjected to three-dimensional point cloud rigid transformation registration based on the characteristic of small human skeleton change characteristics, so that alignment of the lung and pulmonary nodule data before and after follow-up visit is realized. Secondly, an FGR algorithm is adopted, so that the method is obviously superior to ICP and other local refinement algorithms in the aspects of operation speed and registration accuracy. Thirdly, RMSE is adopted as a lung point cloud registration error, adaptive matching of pulmonary nodules is achieved, manual intervention of pulmonary nodule registration is little, the automation degree is high, and the registration result is accurate; and fourthly, normalization processing is carried out on the CT image data, so that the robustness of the algorithm can be improved, and the method can be widely applied to different types of CT equipment and DICOM data with different pixel spacing values.

The invention discloses an electromagnetic suspension force measuring device and method for separated measurement of dynamic and static aerodynamic loads, and aims to solve the technical problems of low frequency response, rigidity-resolution contradiction, poor measurement precision caused by dynamic-static coupling and the like when a strain balance technology is adopted for measurement. The device comprises a bearing end flange, a linear bearing, an electromagnetic force measuring device and a fixed end flange. During measurement, an electric control system respectively and successively controls a static suspension assembly and a dynamic suspension assembly to realize 'displacement return-to-zero', so that corresponding dynamic and static loads are obtained according to respective current-aerodynamic force mapping relations, and high-precision acquisition of the measured dynamic aerodynamic force is finally realized through superposition. The electromagnetic force measuring device is high in frequency response and resolution ratio, the measured dynamic aerodynamic force is divided into a static part and a dynamic part to be measured respectively, static and dynamic measurement decoupling and optimal matching of static measurement rigidity and dynamic measurement rigidity are achieved, and the measurement precision is greatly improved.

The invention discloses a mode adaptive matching method, apparatus and system in a monitoring system. In the method, a first device is configured to switch N operation modes supported by the first device according to a set period, a second device is configured to switch M operation modes supported by the second device according to a set time interval, wherein the time interval for switching the operation modes of the second device is greater than or equal to the set period of the first device; the first device initiates connection establishment to the second device after switching to a certain operation mode, and if the first device and the second device are successfully established, the first device and the second device hole the current operation modes and stops switching the operation modes so as to realize an adaptive matching of the operation modes between the devices requiring the establishment of connection without human operation. It can be ensured that the mode matching of the first device and the second device can be completed within one cycle period of the second device, thereby avoiding the uncertainty of random switching.

The invention discloses a space-time-frequency coding and passive time reversal reception based underwater acoustic MIMO (Multiple Input Multiple Output) communication method which comprises the following steps of: 1, modulating a signal source data stream by using a new space-time-frequency code at an emitting end of a underwater acoustic MIMO communication system; 2, designing a frame structure of an emitted signal; 3, performing multi-array-element passive phase yoke time reversal treatment on a received signal and recovering information sent from each emitting array element. The space-time-frequency coding and passive time reversal reception based underwater acoustic MIMO communication method has the advantages that: as the emitting end adopts a new space-time-frequency code modulation technology, cochannel interference in the received signal can be removed completely, the decoding performance of the receiving end is not only improved efficiently, but barriers are also removed, at the same time, for performing reception by applying the time reversal technology in the underwater acoustic MIMO communication system. On the basis, the multi-array-element passive time reversal technology excluding an adjustable parameter is adopted at the receiving end to efficiently suppress intersymbol interference caused by multi-path spread and meanwhile improve SNR (Signal to Noise Ratio) of the receiving end. Therefore, the stability and the decoding performance of the system are improved obviously.

The invention discloses a system and method for dynamically matching clamping force of a stacking robot. The system comprises an upper computer PC, a controller, a detection system and a clamp holder,wherein the detection system comprises a visual sensor, two distance measuring sensors S1 and an acceleration sensor S2, the visual sensor comprises a horizontal visual sensor Sh and a vertical visual sensor Sv which are arranged on one side and above a workpiece conveying belt respectively, and the distance measuring sensors S1 and the acceleration sensor S2 are arranged on the clamp holder. Dynamic automatic matching of the clamping force of the stacking robot is realized according to the geometric characteristics and the texture characteristics of a workpiece. According to the method, thephenomena of over-clamping and under-clamping in a workpiece dynamic pickup process are effectively avoided, and the method has practical engineering significance for energy-saving and consumption-reducing operation of intelligent stacking of a wood furniture production line.

The invention discloses an image processing method, an image processing device and an image processing system used for realizing the self-adaption matching of an image and an image display device so as to improve the display effect of the image and avoid displayed image distortion. The image processing method provided by the invention comprises the following steps: obtaining configuration parameter information of the image display device; preprocessing the image acquired by an image acquiring device according to the configuration parameter information of the image display device, wherein the configuration parameter information of the image display device includes the information of whether the image needs to be processed on brightness or chromaticity range expansion by a display card or not and/or red, green and blue (RGB) color mode information supported by a display screen; and sending the preprocessed image to the image display device.

The invention discloses a self-adaptive welding machine characteristic control circuit which realizes the effect that thrust current is automatically matched with welding current by setting a control bus associated with a welding current given signal. The voltage of the control bus is related to the output voltage of a thrust generating circuit, the output voltage of a thrust adjusting circuit and the output voltage of a self-adaptive control circuit, the thrust generating circuit outputs a thrust control signal according to the magnitude of the output voltage of the welding machine, and the thrust adjusting circuit clamps and controls the maximum value of the bus voltage according to a thrust given circuit. The self-adaptive control circuit clamps and controls the maximum value of the bus voltage according to the welding current, and meanwhile, the self-adaptive circuit automatically adjusts the maximum value of a thermal arc striking control signal, so that self-adaptive matching of the thermal arc striking current is realized.

The invention discloses a single-side data point uploading synchronization method based on a 104 protocol communication heterogeneous system. The method comprises the following steps that: a single-side point table function is defined; the substation receives the starting frame and sends a starting confirmation frame to the master station, the substation is started to carry out data transmission after the starting confirmation frame is checked to be correct, the main station side writes a database description file into the received single-side point table, and writes a single-side point table check report; and data point table synchronization processing is performed according to the difference condition. Based on a unilateral data point table uploading method and a data point difference automatic matching function, the load of maintenance personnel is greatly reduced, the working efficiency is improved, meanwhile, the safety and reliability of data synchronization of the centralized control side dispatching master station and the plant station side substation are improved, and the risk of a manual point table comparison and synchronization mode is reduced. The method can also adapt to the difference between a master station heterogeneous system and a substation heterogeneous system, and rapid synchronization of data point tables of the heterogeneous system is achieved.

The invention provides an interaction control method of a massage eyeshade, the massage eyeshade and a data interaction terminal, belongs to the technical field of intelligent wearable equipment, andcan realize intelligent interaction control between an eyeshade body and the data interaction terminal. The data interaction terminal obtains face data of a user of the eyeshade, then automatically computes face feature information based on the face data, determines eye acupoint features according to the face feature information, generates control data of eye acupoints according to the eye acupoint features, and transmits the control data to the eyeshade body. The eyeshade body receives the control data of eye acupoints in real time, determines an action area of micro air bags distributed on the eyeshade body according to the control data of eye acupoints, and then automatically ejects the micro air bags in the action area. Thus, adaptive matching of the eyeshade body and the eye acupointsof a user is achieved. The interactive experience feeling of eye massage by using the eyeshade is improved.