6results about How to "Reduce crosstalk effects" patented technology

This invention provides a method and apparatus for compressing and encrypting snapshots of multiple 3D color objects based on spatial division multiplexing. The method includes: generating an object beam and a reference beam based on a three-primary-color laser source, and generating multiple composite three-color parallel beams based on the object beam; illuminating each 3D color object and a random phase mask connected to each 3D color object with the multiple composite three-color parallel beams, respectively, and calculating the light field distribution of each 3D color object on the corresponding random phase mask plane; encrypting the light field distribution using each random phase mask, and generating an object light field on a detector plane based on the encrypted light field distribution; and generating an encrypted color hologram of multiple 3D color objects by interfering with the reference beam on the detector plane through the object light field and the reference beam. This method can significantly reduce the crosstalk effect during decoding of different encrypted objects, greatly reduce the leakage of object information, and significantly improve security.

The utility model provides an in-memory computing array, an in-memory computing macro circuit and in-memory computing equipment, and the in-memory computing array comprises a memory unit group which can store data for computing; a calculation unit for performing a calculation operation; a latch capable of storing data read from the memory cell group; the global bit line switch is connected between a global bit line and the memory unit group, the global bit line can realize data interaction between the in-memory computing array and the outside, and the global bit line switch is configured to be switched off in response to a computing operation instruction, and the global bit line switch is configured to be switched off in response to the computing operation instruction. And reading data from the memory unit group to the latch for executing calculation operation, and closing the latch after the latch finishes data latching, so that the memory unit group reads / writes data through the global bit line, and the calculation operation and the read-write operation are parallel.

The embodiment of the invention relates to the technical field of connectors, and particularly discloses a high-speed backboard connector which comprises a female end connector and a male end connector which are used in a butt joint mode. The female end connector comprises a first signal contact and a second signal contact, and the first signal contact extends along a second direction; the second signal contact comprises a first signal body and a first signal convex part; the male end connector comprises a base, a third signal contact and a fourth signal contact, the third signal contact is arranged on the base and extends in the second direction, and the fourth signal contact comprises a second signal body and a second signal convex part; wherein the first signal contact is electrically connected with the second signal convex part, and the first signal convex part is electrically connected with the third signal contact. According to the high-speed backboard connector, the crosstalk influence of differential signal transmission is reduced, the signal quality is improved, the stability of signal transmission of the high-speed backboard connector can be ensured, and the signal transmission performance of the high-speed backboard connector is improved.

The invention provides a wiring channel determination method and system, a chip, electronic equipment, a storage medium and a computer program product, relates to the field of data processing, and is applied to the system. The method comprises the steps that crosstalk parameters of all wiring channels are determined according to received output signals sent by all output interfaces of a first chip unit to a second chip unit and actual input signals obtained after the output signals pass through the wiring channels corresponding to the output interfaces in sequence, and the crosstalk parameters represent the crosstalk influence degree borne by the wiring channels; and determining a connection relationship between each output interface and the plurality of wiring channels according to the crosstalk parameter of each wiring channel and the performance requirement parameter of the output interface corresponding to each wiring channel.

The application discloses a high-speed data transmission method and device based on a silicon photon chip and a medium, relates to the technical field of data transmission, and comprises the following steps: a plurality of wavelength mode physical channels are constructed by utilizing a micro comb light source, a wavelength demultiplexing structure and a double-mode waveguide on a silicon photon chip; a training sequence is sent under default transmission of a programmable interference network, channel gain and noise are estimated to obtain state information; the number of virtual channels is determined and combination parameters are calculated according to the state information; virtual-real channel mapping is established, and on-chip optical path configuration is completed; a service forward error correction code is encoded on the sending side, and a multidimensional optical signal is generated by cross-virtual channel bit interleaving in the encoding block; after demultiplexing and equalization, the signal is transformed to a virtual channel domain on the receiving side, soft decision demodulation and error correction decoding are performed, a quality index is calculated, and channel state is updated; and linear combination parameter matrix and modulation parameters are further jointly optimized to realize low-error and high-throughput adaptive transmission under a dynamic link.

The utility model embodiment provides a kind of adapter circuit board. Among them, the adapter circuit board includes: first group interface, each interface in first group interface is set to be connected with the radio frequency connector of first type;Second group interface, each interface in second group interface is set to be connected with the radio frequency connector of second type;Printed circuit board, printed circuit board includes one or more layers of board;A group of microstrip lines;Wherein, in the case that there are multiple microstrip lines in a group of microstrip lines on the same layer of board in printed circuit board, the distance between two adjacent microstrip lines transmitting radio frequency signals of the same frequency in multiple microstrip lines is greater than the distance between two adjacent microstrip lines transmitting radio frequency signals of different frequencies. Through the utility model, in the case of multiple signal paths, at least the technical problem that the transmitted signal is severely interfered in the related art is solved.