10 results about "Distributed circuit" patented technology

The application discloses a radio frequency communication circuit layout design method and system, and relates to integrated circuits: a design constraint parameter library is constructed; a circuit topology structure is analyzed, circuit node types are identified, and node attribute information is extracted; a corresponding relationship between nodes and grid cells is established through a space mapping function, and a grid attribute matrix reflecting current distribution characteristics is generated; electromagnetic interference intensity received by each grid cell is calculated, grid cells with electromagnetic interference intensity exceeding a preset threshold are marked as areas needing isolation, and an area marking matrix is generated; a parameterized distributed circuit model is constructed for a wiring allowed area, process parameters in the design constraint parameter library are used to establish a mapping relationship of the distributed circuit model; a frequency domain node voltage equation set is constructed and solved, and voltage distribution data of each grid cell is obtained; and a multi-objective evaluation function is constructed according to the voltage distribution data; and the application balances power supply network performance and parasitic effects.

The invention discloses an intelligent bionic giant robot cruise performance track control system and method, and belongs to the crossing field of robot control and performance art technologies. Comprising a cloud planning layer for global planning, a ground central control layer responsible for field command and wireless Mesh networking, a robot vehicle-mounted layer serving as a robot local brain and an actuator driving layer for driving execution. The core is that a robot vehicle-mounted layer adopts a highly-modularized circuit design and integrates a track analysis and decision-making unit, a local state sensing fusion device, a multi-machine cooperative communication gateway and an independent safety monitoring module. Through a method of combining centralized planning and distributed intelligent control, individual autonomous obstacle avoidance and real-time trajectory optimization of multiple robots under global collaborative performance are realized, and by means of hardware modular design, the reliability, maintainability and expansibility of the system are remarkably improved, and the system is suitable for large-scale popularization and application. The problems of poor flexibility, weak collaboration and difficult maintenance in the prior art are solved.

This invention relates to a packaging structure and design method for an embedded notch filter circuit within a single-photon detector readout module. The packaging structure includes a microwave multilayer dielectric substrate; the microwave multilayer dielectric substrate comprises multiple dielectric layers stacked along its thickness direction, with metal conductive strips at the top, bottom, and between each dielectric layer; multiple metallized vias are disposed within the microwave multilayer dielectric substrate; the metal conductive strips and metallized vias cooperate to form a distributed circuit, enabling signal transmission and circuit interconnection between the dielectric layers; an input notch filter circuit and an output notch filter circuit are embedded within the microwave multilayer dielectric substrate, both of which are interconnected by metal conductive strips and metallized vias located between the dielectric layers. Compared to traditional readout modules, this invention not only reduces the overall circuit size and manufacturing costs but also significantly improves the readout module's suppression performance for gated frequency signals and their harmonic signals.

The invention discloses a D-type high-temperature superconducting uninsulated coil quench analysis method, which realizes bidirectional strong coupling iterative solution of an electromagnetic-thermal field by establishing a distributed circuit network model adaptive to D-type complex geometry and combining an efficient Monte Carlo inductance integral algorithm and a two-dimensional heat conduction finite element model. And finally, a space-time distribution cloud picture of key physical quantities such as current distribution, temperature evolution and stress strain of the D-type coil in the quenching process can be output. And a complete numerical analysis tool and theoretical basis are provided for quench propagation mechanism analysis, thermal-mechanical stability evaluation and engineering safety design of the D-type high-temperature superconducting uninsulated coil.

The invention relates to a single-photon detector readout module embedded trap circuit packaging structure and a design method. The packaging structure comprises a microwave multilayer dielectric substrate; the microwave multilayer dielectric substrate comprises a plurality of dielectric layers stacked along the thickness direction, and metal conduction bands are arranged at the top and the bottom of the microwave multilayer dielectric substrate and among the dielectric layers; a plurality of metalized through holes are formed in the microwave multilayer dielectric substrate; the metal conduction bands are matched with the metalized through holes to form a distributed circuit, and signal transmission and circuit interconnection between the dielectric layers are realized; an input trapped wave circuit and an output trapped wave circuit are embedded in the microwave multilayer dielectric substrate, and the input trapped wave circuit and the output trapped wave circuit are both formed by connecting metal conduction bands and metalized through holes located between dielectric layers. Compared with a traditional read-out module, the read-out module has the advantages that the overall size of the circuit can be reduced, the production cost is reduced, and the suppression performance of the read-out module on the gating frequency signal and the harmonic signal thereof can be remarkably improved.

The utility model provides a smoke box low-frequency broadband linear frequency modulation signal transmitting and receiving device, which solves the problems of limited radar signal bandwidth and the like, and comprises a main frequency synthesis and closed loop calibration circuit, the main frequency synthesis and closed loop calibration circuit is connected with a transmitting link circuit, the transmitting link circuit is connected with a receiving link circuit, and the receiving link circuit is connected with a receiving link circuit. The transmitting link is connected with a baseband signal sampling and processing circuit through a local oscillator signal generating and distributing circuit. The utility model has the advantages of higher frequency modulation slope, stable operation and the like.

The utility model discloses a battery equalization module distributed line positioning device, which relates to the technical field of battery equalization and comprises a positioning plate, the top of the positioning plate extends upwards at equal intervals to form a plurality of line clamping plates, each group of line clamping plates comprises two symmetrical crescent arc plates with opposite opening directions, and an arc line clamping groove is formed between the two crescent arc plates. According to the utility model, accurate positioning of the flat cables is realized through the arc-shaped wire clamping grooves of the crescent-shaped arc plate, and neat arrangement of the flat cables is ensured, so that the flat cables are prevented from being damaged, and the production efficiency is improved. The design of the breaking-off grooves allows a user to flexibly adjust the size of the positioning plate and the distribution of the wire clamping plates according to actual requirements, the adaptability is improved, and the design of the matching of the breaking-off grooves and the double faced adhesive tape enables each small block to have independent bonding capacity.

This invention discloses a distributed circuit for a multi-junction photovoltaic cell with dynamic fluorescence coupling parameters, comprising several connected light-emitting units and dark-emitting units. Each dark-emitting unit includes a connected first dark-emitting circuit and a second dark-emitting circuit, and each light-emitting unit includes a connected first light-emitting circuit and a second light-emitting circuit. The first dark-emitting circuit is connected to the first light-emitting circuit. The second light-emitting circuit incorporates a fluorescence coupling mechanism. A multi-junction photovoltaic cell is constructed based on these connected light-emitting and dark-emitting units. The current-voltage characteristics of the multi-junction photovoltaic cell are obtained by scanning the voltage between the external connections of the multi-junction photovoltaic cell. The simulation results obtained by the multi-junction photovoltaic cell distributed circuit model with dynamic fluorescence coupling parameters proposed in this invention are closer to the measured current-voltage characteristics than those obtained by single / dual diode circuit models and multi-junction photovoltaic cell distributed models without fluorescence coupling parameters.

The application discloses a spectrum sensing hypergraph partitioning method for MFS large-scale signal processing, which is used for partitioning a super large-scale integrated circuit which is comprehensively completed on an MFS platform, and comprises the following steps: hypergraph coarsening based on an LSH algorithm; performing an initialization method with spectrum sensing on the most coarsened hypergraph to obtain an initialization partition; running an FM algorithm with distance weighting on the obtained initialization partition to perform optimization, then desparsing, restoring the coarsened hypergraph to the hypergraph of the previous level, again using the FM algorithm to locally optimize, and alternately performing desparsing and the FM algorithm until the most original hypergraph, and completing the hypergraph partitioning. Compared with a traditional multi-polarized hypergraph partitioning method, the application can perform topology optimization for an MFS system, can process multi-dimensional weights, is helpful to improve the performance of the distributed circuit, and leaves more resource redundancy for subsequent wiring.

The invention discloses a cable elbow type head insulation abnormity detection method based on semi-conductive shielding layer distribution potential. The method comprises the following steps: constructing a distributed circuit model of the cable elbow-shaped head, enabling a conductor layer to be equivalent to an ideal voltage source node, enabling an insulating layer to be equivalent to a radial distribution capacitance chain, enabling a semi-conductive shielding layer to be equivalent to a distributed resistance network, and establishing a potential distribution mathematical model; determining a potential test point on the surface of the semi-conductive layer, and collecting an axial potential sequence; and comparing the acquired axial potential sequence with the potential distribution mathematical model, and identifying an insulation abnormal region. The method provided by the invention breaks through the limitation of the traditional non-contact electricity testing technology under a full-shielding structure, and can realize the accurate and stable detection of the insulation state on the premise of not damaging the cable structure.