699results about How to "Reduce the difficulty of debugging" patented technology

The invention relates to a variable-frequency power source based on the control of a digital signal processor, which comprises a switch power source module, a control circuit, a circuit for isolating and shaping pulse-width modulating signal, IPM inverting circuits, a circuit for detecting and protecting busbar voltage, a rectification input slow-start circuit, a communication circuit, an interface circuit for isolating and inputting parallel signals and an human-computer interface circuit for displaying the key. The invention adopts the structure of a single digital signal processor (DSP) coupled with the double IPM inverting circuits, provides two paths of independent variable-frequency power sources for two sets of asynchronous motors at the same time and carries out independent speed regulations to the two sets of asynchronous motors. The variable-frequency power source of the invention has the advantages of small volume, low power consumption, high reliability and being convenient for bulk production, etc., and adopts an appropriate switch frequency and an advanced voltage space vector pulse width modulation algorithm (SVPWM), thereby lowering the noise during the operation of the asynchronous motors and increasing the voltage utilization rate, with obvious effect on energy saving.

The invention relates to an improved auto-disturbance rejection controlling method, and provides the improved auto-disturbance rejection controlling method to overcome the defect that a nonlinear auto-disturbance rejection controlling method has a plurality of parameters which are difficult to set. According to the improved auto-disturbance rejection controlling method, an extended state observer in a traditional auto-disturbance rejection controlling method is designed as a disturbance observer which is not based on a system model; the disturbance observer is designed to be only related to two parameters by using a linear auto-disturbance rejection controller parameter setting method, so as to achieve the purpose of reducing the amount of setting parameters. Moreover, the improved auto-disturbance rejection controlling method fully integrates the advantages and disadvantages of linear auto-disturbance rejection and nonlinear auto-disturbance rejection, so that the performance of the controller is maximized; the controlling method can reduce the error of the traditional auto-disturbance rejection controlling method, and improves the control accuracy of the system.

The invention relates to a system and method for realizing an analog whole network capacity open platform based on a cloud computing system. The system comprises an open platform access module, an analog capability providing module and a capability open management module. The open platform access module is connected with the analog capability providing module, the capability open management module and an external application. The analog capability providing module is connected with the capability open management module. Through adoption of the system and the method of the structure, physical complexities of various networks are shielded; a plurality of capability open technologies are integrated together; various capabilities in a whole network are simulated; abundant convergence services are established and managed efficiently and reliably with relatively low average operation costs; the capability efficiency of employing the open platform by enterprise applications is effectively improved; and the system and the method have a wide application range.

The invention provides a device for adaptively adjusting supporting parameters of an image signal processor, which is used for adjusting correction parameters of a lens correction module, an automatic white balance module and a color matrix correction module. The device comprises a storage system and a configuration module, wherein, the storage system is used for storing the correction parameters under different light sources which are obtained through off-line correction of the lens correction module, the automatic white balance module and the color matrix correction module; and the configuration module is used for selecting the corresponding correction parameters from the storage system and providing the correction parameters to the lens correction module, the automatic white balance module and the color matrix correction module for use according to types of the light sources determined by the automatic white balance module. Therefore, the device provided by the invention has the beneficial effects of preventing situations that one faulted of the three modules can cause color errors and is difficult to locate, lowering parameter debugging difficulty of the image signal processor adaptive to multiple light sources, and meanwhile effectively improving image quality while being applied to parameter debugging of the common image signal processor.

The invention discloses a collaborative entity programming method, belonging to the field of man-machine interaction. The collaborative entity programming method comprises the following steps of: 1) selecting or establishing a collaborative entity programming display condition; 2) placing an entity programming block sequence according to a collaborative mission requirement by a user; and 3) obtaining the entity programming block sequence currently placed by each user in real time, and sending to a collaborative entity programming treatment module, so as to convert into a corresponding function semanteme sequence; getting out operation instructions in sequence from the current function semanteme sequence; when the instruction is a collaborative operation starting instruction, starting synchronizing communication by the user, and reading and executing an order of a collaborative operation part in the current function semanteme sequence; if the collaborative operation of one user is inaccurate, feeding back prompt information to the user; and otherwise, executing the next instruction and judging whether the collaborative operation is accurate or not until collaborative judgment and synchronous communication are stopped through a collaborative operation stopping instruction. With the adoption of the collaborative entity programming method provided by the invention, a program can be allowed to be compiled by a plurality of children, and the program synchronization can be realized.

The invention provides an optical fiber MEMS Fabry-Perot acceleration sensor and a manufacturing method thereof. The acceleration sensor is mainly composed of a shell, an optical fiber, an acceleration sensitive element and a pedestal. The shell, the acceleration sensitive element and the pedestal of the sensor are processed by adopting an MEMS technology. Fixing of the pedestal, the acceleration sensitive element and the shell is realized via an MEMS bonding technology. The optical fiber is fixed in an optical fiber bushing. Fixing of the optical fiber and the shell is realized via a fusion welding technology. A mass block is processed at the center of the acceleration sensitive element via the MEMS technology, and the mass block on the light emergent surface of the optical fiber and the acceleration sensitive element is arranged in parallel so that a Fabry-Perot cavity is formed, and high-sensitivity measurement can be realized. The optical fiber MEMS Fabry-Perot acceleration sensor has advantages of small size, mass production, great consistency, low temperature coefficient and high temperature resistance so that acceleration measurement under conventional and special environments can be met.

The invention discloses a mould pressing lid maker, which comprises a frame and an extrusion mould group, a pressing mould group and a feeding and discharging mechanism that are arranged on the frame; the extrusion mould group has an extrusion port; an upper mould pressing plate and a lower mould pressing plate of the pressing mould group are integrated and are arranged on a first rotating shaft of the pressing mould group; the upper mould pressing plate is provided with upper moulds; the lower mould pressing plate is provided with bottom moulds; the feeding and discharging mechanism is arranged between the extrusion mould group and the pressing mould group and comprises a second rotating shaft and a rotating plate that is arranged on the second rotating shaft, a scraper and a material pushing device are arranged below the rotating plate, and a toggle device is arranged above the rotating plate; and therefore, feeding operation is carried out by utilizing the scraper, and discharging operation is carried out by utilizing the toggle device, thus realizing the feeding and discharging at the same work station. The mould pressing lid maker has compact structure and makes full use of all the upper moulds and the bottom moulds, and the rotating speed of the upper mould pressing plate and the lower mould pressing plate can be set as rapidly as possible, thus enhancing the work efficiency of the mould pressing lid maker and the production capacity.

Provided is an integration drive control device for a supercapacitor energy storage type elevator. Integration processing of an elevator running control subsystem and an elevator energy-saving control subsystem is proposed, the integration drive control device for the supercapacitor energy storage type elevator is designed, the effect that two control subsystems share one Central Processing Unit(CPU) processor is achieved, a system hardware structure is simplified, and system debugging difficulty is lowered. At the same time, a storage battery and a management module of the storage battery are added in the elevator energy-saving control subsystem on the one hand to serve as an additional power module of an elevator and on the other hand to serve as a storage unit for feedback energy of the elevator, and work together with a supercapacitor under certain conditions to supply electric energy for elevator running.

The invention discloses a low phase stray frequency synthesizing method and application. The frequency distribution relationship of the synthesizing scheme is definite in current technique for definite output frequency; the invention changes that situation, uses character that any output frequency may multiple distribution relationships in frequency synthesizing scheme of multiple adjustments, on precondition of ensure to obtain the output frequency, by detecting output signal (by phase noise automatic detecting system), choosing best distribution relationship of frequency purity especially stray index, and storing it into RAM / ROM. When using the frequency synthesizer, corresponding frequency relationship is read out from the RAM / ROM in checking table mode to achieve purpose of designing high distinguishability, low stray low phase noise agility frequency changing microwave millimeter wave frequency synthesizer, so the performance of the microwave millimeter wave frequency synthesizer is increased, specially the debugging difficulty of stray index of frequency synthesizer is decreased greatly.

The invention relates to an elevator weighing device which comprises a rope hitch plate and a middle supporting plate. A plurality of rubber drums which are distributed side by side are arranged between the rope hitch plate and the middle supporting plate, a plurality of rope hitch springs corresponding to the rubber drums are arranged at the upper end of the middle supporting plate, an eddy current sensor, an overload detector switch, a rope loosening detector switch support and a rope loosening detector switch are arranged on the rope hitch plate, and an eddy current sensor magnetism blocking plate, an overload detector switch touch plate and a rope loosening detector switch touch plate are installed on the middle supporting plate. The elevator weighing device further comprises a plurality of rope hitch pull rods corresponding to the rubber drums and the rope hitch springs, the rope hitch pull rods sequentially penetrate through through holes of the rope hitch plate, the rubber drums, the middle supporting plate and the rope pitch springs, one end of each rope hitch pull rod is provided with a loosening-fastening nut for fixing the corresponding rope hitch spring, and the other end of each rope hitch pull rod is connected with the corresponding elevator lifting car lateral hauling rope through a connecting assembly. The elevator weighing device is simple in structure, high in lifting car weighing detection accuracy, low in cost, capable of saving shaft space, convenient to install, debug and operate and high in safety performance.

The invention provides a laser beam wavefront correction system, comprising a main laser path, a deformable mirror and a high-voltage driver, a far-field detector, a wavefront sensor, a detection light path and a control computer. A far-field sensor and the wavefront sensor can precisely realize wavefront correction of a whole light beam only by utilizing main laser of a laser system. The laser beam wavefront correction method provided by the invention uses a far-field information feedback algorithm to perform closed-loop control on static wavefront distortion, through a reference transition transfer technology, transits a static wavefront to the wavefront sensor, then performs dynamic emission, collects dynamic waveform, and finally controls the deformable mirror to realize wavefront correction of a whole system. The method is advantaged by being capable of effectively avoiding the problem of wavefront detection and calibration in a small-F-number focusing system, lowering a requirement for system debugging precision, not needing to add an extra calibration light source, and being capable of precisely realizing effective control of to-target wavefront distortion of the whole system.

The invention relates to a self-frequency-doubling all-solid-state yellow-light laser. The laser comprises an excitation source, a focusing system, a self-frequency-doubling crystal and a laser resonator, wherein the self-frequency-doubling crystal is a ytterbium-ions-doped rare-earth calcium oxoborate crystal and is cut along the maximum direction of the effective nonlinear coefficient of a non main plane of the crystal; the excitation source is a 900-980nm light source; and the laser resonator is composed of an input cavity mirror and an output cavity mirror, the input cavity mirror and the output cavity mirror are each provided with a medium membrane for inhibiting vibration of a 1020-1080nm wave band, excitation light is subjected to collimating focusing and is injected into the self-frequency-doubling crystal through the input cavity mirror, the self-frequency-doubling crystal absorbs energy of the excitation light to generate fundamental frequency light in the laser resonator, and the fundamental frequency light carries out selection wavelength frequency multiplication through the self-frequency-doubling crystal so that 570-590nm yellow-light laser is output. The laser provided by the invention has the advantages of high output power, simple and compact structure, low cost, high temperature adaptability and the like.

The invention discloses a four-wing chaotic signal source circuit and a signal amplitude control method thereof. The four-wing chaotic signal source circuit is characterized that a multiplying circuit composed of four multiplying units, an integration summation circuit composed of eight resistors (one of the resistors is an adjustable resistor or a potentiometer), three capacitors and three operational amplifiers, an inverse-phase amplifying circuit composed of four resistors and two operational amplifiers and a direct-current power supply output four-wing chaotic signals; and the circuit is divided into three branches, the adjustable resistor is used for adjusting feedback strength of product signals of a third dimension circuit, and accordingly, amplitudes of the other two branches of chaotic signals are controlled. According to the signal amplitude control, amplitude changes of variables of a system are sacrificed to exchange for amplitude regulation freedom degrees of another two systems, and accordingly, amplitude-controllable chaotic signals meeting engineering needs are obtained. The circuit is simple, chaotic signal amplitudes can be regulated flexibly to a required range, and the circuit and the control method can be widely applied to chaotic radars, secret communication and fluid mixing.

The invention relates to a multiband matching circuit, a radio frequency circuit, an antenna system and a mobile terminal. Specifically, the matching circuit is designed into the structure of an adjustable capacitor and an inductor group which are connected in parallel, wherein the inductor group comprises at least one inductors which are connected in series in turn, and one switch is connected in parallel on each inductor. Meanwhile, a program control unit is also arranged in the matching circuit. The capacitance value of the adjustable capacitor can be controlled and different switches can be selected through the program control unit so that different capacitor and inductor combination forms can be realized, and free adjustment of the capacitance and induction values in the circuit can be realized. With application of the matching circuit, the requirements of characteristic impedance of different transmission lines can be adapted by adjusting the circuit parameters of the matching circuit in the debugging and use process of the radio frequency circuit, and performance debugging of multiple bands can be realized on one set of matching circuit so that the debugging difficulty can be reduced, the number of the matching circuits in the radio frequency circuit can be reduced, the circuit structure is simple and the laying space of the circuit board can be saved.

The invention discloses a novel chaos source circuit based on quadratic-term nonlinear effect and a corresponding signal amplitude and polarity control method. The novel chaos source circuit is characterized by implementing output of a special chaos attractor by adopting a multiplying circuit consisting of three multipliers, an integration summing circuit consisting of seven resistors (including rheostats or potentiometers), three capacitors and three operational amplifiers, and an inverse-phase amplifying circuit consisting of four resistors and two operational amplifiers. The feedback intensity of product signals is partially and synchronously adjusted by the potentiometers, so that the partial and whole control on the amplitudes of output signals can be realized; and the polarities of linear feedback signals can be selectively controlled by switches, so that the polarity control on two paths of chaos signals can be realized. The partial amplitude control provided by the invention gives up the amplitude variation of a variable, and the polarity control only aims at two state variables. The novel chaos source circuit and the signal amplitude and polarity control method have the advantages of simple signal source circuit, special attractor, adjustable amplitude and controllable polarity, and can be widely applied to the fields of chaos radars, secret communication and the like.

The invention discloses an electric power telemechanical apparatus RTU and a method for realizing the automatic voltage control of the power plant. The inventive electric power telemechanical apparatus includes a central control module, a remote signalling module, a telemetering module, a remote regulating module and a remote control module, wherein the central control module includes a communication submodule, a data bank submodule and an automatic voltage control submodule, which generates the control signal for adjusting the wattless production output of the generating set, based on the data stored in the data bank submodule, and transmits the control signals to the remote regulating module or the remote control module through the communication submodule, then transmits to the generating set which participates in the voltage control through the remote regulating module or the remote control module, realizes the automatic voltage control. The invention gives full play to the function of the electric power telemechanical apparatus, reduces the amount of the situ hardware units, increases the operational precision of the data in the AVC adjusting process.

The invention relates to a hemispherical resonator gyro high-reliability oscillation starting system and method, is suitable for oscillation starting control of hemispherical resonator gyro or oscillation gyro having similar working principles and belongs to the technical field of inertia instrument control. By utilizing frequency selecting characteristics and high-Q-value characteristics of a hemispherical resonator gyro harmonic oscillator, a frequency sweep oscillation starting module can constantly output frequency signals around resonant frequency to excite the harmonic oscillator to start oscillation when no resonant signal is detected, so that the harmonic oscillator can be ensured to start oscillation, and reliability is high.

The invention discloses a method for estimating the status of a brushless direct current motor based on an extended kalman filter. By means of the method, debugging difficulty is reduced and observation accuracy is improved under the conditions that system noises and measurement noises are non-zero mean white noises and errors exist in a system model. A measuring error covariance matrix R is regulated according to fuzzy rules, therefore, system debugging difficulty is reduced and accuracy is improved. Furthermore, an attenuation factor is added into a status updating equation, correction weight of the new observed quantity and the existing observed quantity on an estimated value is regulated, and tracking performance is improved. In addition, by means of a method of performing grouping regulation on a value of p (0), Q, serious distortion is controlled, and estimation accuracy of the extended kalman filter is improved.

The invention discloses a comb tooth lifting type automatic carrier. A lifting rack is provided with comb teeth for bearing automobile wheels; an automobile body is connected with the lifting rack through a lifting device; the lifting device comprises two lifting jacks and a lifting driving motor; the lifting jacks are respectively mounted at two ends of the automobile body; each lifting jack comprises a seat, a lifting guiding shaft, a gear and a rack; each seat is connected with the automobile body; each lifting guiding shaft can slide along a guiding hole in the corresponding seat; the top of each lifting guiding shaft is connected with the lifting rack; each gear is connected with a shaft end of the lifting driving motor and is rotatably connected to the inside of the corresponding seat; each rack is connected with the corresponding lifting guiding shaft and is meshed with the corresponding gear; and safety devices for preventing the lifting rack from overturning due to unbalance loading are respectively arranged at four corners of the automobile body and four corners of the lifting rack. A guiding device of the lifting rack and the lifting device are integrated in one of the lifting jacks, and guiding precision of the guiding device of the lifting rack is not affected by the automobile body and the lifting rack which has a welding structure; and the number of the used lifting jacks is small, transmission is simple, requirements on mounting precision are reduced relatively, and the comb tooth lifting type automatic carrier is easy to mount and low in debugging difficulty; and using failure rate is reduced.

The invention belongs to the technical field of optical precision testing, and relates to a dual-wavelength phase-shift interference method based on a partial compensation method and an implementationdevice. The method comprises the steps of building a partial compensation method dual-wavelength phase-shift interferometer, and acquiring measured wavefront wrapped phases of two single wavelengths;modeling a partial compensation method dual-wavelength ideal interferometer, and acquiring residual wavefronts and wrapped phases of the two single wavelengths; eliminating known and unknown wavefront variations in the measured wavefront wrapped phases by adopting an error separation and elimination algorithm, and finally optimizing and reconstructing surface-shape error of the measured asphericsurface by adopting reverse iteration. The device comprises a first laser, a second laser, a first slit, a second slit, a first plane mirror, a second plane mirror, a first beam splitter, a second beam splitter, a beam expander, a collimating mirror, a standard plane mirror, a phase shifter, a partial compensating mirror, a measured aspheric surface, an imaging lens and an interferogram acquisition assembly containing a sparse array sensor. The method and device provided by the invention are particularly applicable to processing quality measurement for gradient aspheric surfaces with a small surface-shape error, molded aspheric surfaces with a great surface-shape error and free curved surfaces.

The invention brings forward a measuring device of the quantum efficiency of a CCD device. The measuring device comprises a light source, a monochromator, an integrating sphere, a beam expander, adjustable diaphragms, a darkroom, a standard detector, a CCD driving circuit, a picoammeter, and a master control computer; the CCD device and the standard detector are arranged in the darkroom; an output port of the monochromator is focused and amplified, collected to an optical fiber bundle, and injected to the integrating sphere; a light outlet of the integrating sphere is additionally provided with the beam expander, light is collected via the beam expander, and the light after collection and collimation enters the darkroom and is projected to the detected CCD or the standard detector via the adjustable diaphragm; and data acquisition is performed via the CCD driving circuit and the picoammeter, and data is transmitted to the master control computer for processing. According to the measuring device, the light outlet of the integrating sphere is additionally provided with the beam expander system so that the uniformity of the light source is improved, the effect of collecting and collimating the light is achieved, and the utilization rate of light energy is increased.

The filter includes case body. Resonant cavity is built inside the case body. A slotopening is made on the dividing wall between not adjacent concentric resonators needed capacitance to be coupled. A tunable capacitance coupling module is setup in the slotopening. The module includes medium screw, metal piece. Through subassembly of nut and gasket unit, the upper end of the medium screw is fixed on the cover board; and the lower end of the medium screw is on the slotopening. A sheet metal is fixed on lower end of the medium screw. Being extended out of the dividing wall, the sheet metal is folded down. Useful effects of the invention are: (1) since the structure is movable up and down, thus, range of tunable capacitance coupling strength of not adjacent cavities is increased; (2) lowering tuning difficulties and shortening tuning time; (3) avoiding abrasion of screw between cover board and cavity caused by opening cover board for many times; (4) raising performance of insertion loss.

The invention discloses a technical scheme for decorative strip supply. According to the technical scheme, decorative strips are supplied by optimizing the layout of each station and reducing use of a winding and aligning station. The process of supplying the decorative strips is simplified, the use of technological steps difficult in debugging is reduced, thereby vacating space for the layout and size reduction, and therefore a device adopting a decorative strip supply method has the advantages of debugging easiness and layout convenience.

The invention discloses a circulating fluid bed boiler online optimized self-learning control method, which is characterized in that: a load knowledge base, a bed temperature knowledge base, a secondary air volume knowledge base and a self-learning updating algorithm are provided, so a characteristic value and a running experience value of a boiler can be extracted, stored and utilized to improve the control performance. A heat efficiency online optimizer adjusting bed temperature and a second air volume are provided, a built-in Newton gradient optimization algorithm can be used to instantly optimize the combustion heat efficiency, so the combustion process of the boiler is approximate to an economical combustion best area. A single-loop-multi-impulse intelligent control algorithm can be adopted for controlling the temperature of a boiler bed layer, so multiple variables influencing the bed temperature can be coordinated and controlled after being effectively decoupled, and the integration of the safety target and the economic target can be realized. Due to the adoption of the control method, the safe, stable and high-efficient running of the circulating fluid bed boiler can be realized, the robustness is strong, fault-tolerant capacity for a preset experience value can be realized, and the debugging difficulty of the control system can be reduced.

The present invention discloses a marker positioning method and system of a calibration plate image. The method includes the following steps that: image pyramid layering is performed on the calibration plate image; binarization is performed from a topmost layer of image, a calibration plate area and a marker contour are searched in the binary image, if no calibration plate areas and marker contours are found out, the calibration plate area and the marker contour are further searched in a next layer of image until search is performed in the last layer or the calibration plate area and the marker contour are found out; and the bounding rectangle of the marker contour in the calibration plate area is calculated in the pyramid image of the searched calibration plate area, the bounding rectangle is mapped into the calibration plate image, so that a region of interest containing a marker is obtained, and the center coordinates of the marker are calculated. Therefore, contour search is performed from the top-layer low-resolution image, so that the calibration plate area and the marker contour can be found out, and the region of interest containing the marker can be positioned quickly and accurately, and positioning efficiency is improved.

The invention relates to a digital synchronous pulse wireless low-jitter transmission method in the field of pulse wireless transmission communication, and the method is especially applicable to wireless low-jitter transmission of radar pulse. Pulse shaping is carried out at a transmitting terminal, a PLL (Phase Locked Loop) circuit is adopted for enabling a reference clock to be in phase synchronization with a pulse synchronous clock, and the synchronized reference clock is utilized for performing digital sampling, coding, modulation and other modulation steps on pulse; and a PLL circuit is adopted at a receiving terminal for enabling a reference clock to be in phase synchronization with the reference clock at the transmitting terminal, the synchronized reference clock is utilized for completing pulse demodulation, decoding, recovery and other demodulation steps, and a low-jitter pulse signal is finally output. The digital synchronous pulse wireless low-jitter transmission method can be used for well recovering the pulse at the transmitting terminal and has low requirements on the clocks in the system, and main circuit components are realized by adopting an FPGA (Field Programmable Gate Array) or an ASIC (Application Specific Integrated Circuit) so as to be low in design and debugging difficulty.

The invention provides a microwave cavity filter intelligent debugging method based on a particle swarm optimization algorithm, and the method comprises the steps: firstly, randomly changing the length D of each coupling screw in an electromagnetic simulation model of a microwave cavity filter into a cavity, obtaining a corresponding dissipation parameter S, and constructing an original sample data set; secondly, preprocessing the data in the sample data set; based on a block modeling method and a BP neural network, performing training to obtain an electromechanical characteristic model of themicrowave cavity filter; and finally, based on the electromechanical characteristic model and a particle swarm optimization algorithm, debugging the microwave cavity filter to be adjusted. The adjustment amount of each coupling screw is determined through a particle swarm optimization algorithm, so that the value of the value function is continuously reduced until the output of the microwave cavity filter meets the preset performance index, and the debugging process of the microwave cavity filter is completed. The debugging method has the beneficial effects that the debugging difficulty is reduced, the debugging precision and the debugging speed are improved, and the practicability and the applicability are high.

The present invention provides an antenna device and a mobile terminal. The device includes: at least two antenna assemblies, each antenna assembly includes: a radiator and a feeder, the radiator and the feeder are electrically connected to each other, and the feeder is used to feed electrical signals to the radiator; They are isolated from each other, and there are isolation ports between the radiators of different antenna assemblies; each antenna assembly also includes at least one first switch, wherein one end of each first switch is connected to the ground point, and the other end is selected from the radiating end of the radiator The radiating end is one end of the radiator located at the isolated port, and each first switch is used to control whether the radiating end of each radiator is connected to the grounding point. In the present invention, each antenna assembly is provided with a grounding switch selectively electrically connected to the radiating end of the radiator, so that at least one radiating end of the antenna assembly can be grounded flexibly, thereby increasing the isolation between at least two antenna assemblies .

The invention provides an antenna system, which comprises a metal back shell, a system ground unit, an upper antenna module and a lower antenna module, wherein the upper antenna module comprises a main low-frequency antenna, a three-in-one small antenna, a dynamic adjustable switch and a first ground point; each of the main low-frequency antenna and the three-in-one small antenna comprises a low-frequency feed point and a three-in-one small antenna feed point; the lower antenna module comprises a first medium-high frequency antenna, a second medium-high frequency antenna and a second ground point; and each of the first medium-high frequency antenna and the second medium-high frequency antenna comprises a first medium-high frequency feed point and a second medium-high frequency feed point. The invention further provides electronic equipment. The electronic equipment comprises the antenna system. Compared with a related technology, the antenna system provided by the invention has the advantage that the technical problem that the antenna performance is affected by holding in a hand is solved.

The invention discloses a reconfigurable unit supporting multiple working modes and the working modes thereof. The reconfigurable unit is characterized by comprising a control layer, an arithmetic layer and a storage layer; the control layer comprises a state layer interface, a configuration layer interface, a data layer interface, an address generator and a controller; the arithmetic layer comprises an arithmetic device; the storage layer comprises a source operand cache unit and a destination operand cache unit. The working modes of the reconfigurable arithmetic unit comprise the storage arithmetic mode, the pulse arithmetic mode and the stream arithmetic mode, and higher flexibility is provided for algorithm mapping of a computing system. When task mapping is carried out in the computing system, the specific working modes of the reconfigurable arithmetic unit can be selected according to specific features and the bottleneck of the algorithm to be mapped and in combination with specific conditions of network communication and storage bandwidth in the computing system, therefore, the arithmetic throughput capacity and network communication and storage access pressure are considered, and the working efficiency of the whole system is improved.