Abstract: Provided is a fully decoupled MEMS gyroscope, including a base, a sensing unit elastically connected to the base, and a driving unit coupled with the sensing unit and driving the sensing unit to move. The base includes a coupling anchor point located at a center of a rectangle and a coupling structure elastically connected to the coupling anchor point. The driving unit includes four driving members located at inner positions of four corners of the rectangle. The sensing unit includes two X mass blocks symmetrically arranged in two of the avoiding intervals, two Y mass blocks symmetrically arranged in the other two of the avoiding intervals, four Z mass blocks elastically connected to the adjacent driving members and located at the four corners of the rectangle, and four Z detection decoupling members elastically connected to the adjacent Z mass blocks and elastically connected to each other around the rectangle.

Abstract: The present invention provides a multimass MEMS gyroscope featuring an orthogonal arrangement, which comprises an anchor point unit, a sensing unit and a driving unit; the anchor point unit comprises a central anchor point subunit located at the center of a rectangle and four corner anchor points located at the four corners of the rectangle respectively; the sensing unit comprises four detection mass blocks each of which has a frame structure and is elastically connected between the central anchor point subunit and the corresponding corner anchor point, receding spaces being formed between the detection mass blocks, and four detection decoupling parts; and the driving unit comprises four driving mass blocks, and driving decoupling parts. The gyroscope can improve the arrangement area of transducers and reduce the mass of the detection mass blocks to improve the Coriolis gain, thereby improving the mechanical sensitivity of the gyroscope.

Abstract: An accelerometer includes a substrate. The substrate includes anchor points. An external coupling unit is annular and is parallel to the substrate. A first torsion plate is disposed on an inner side of the external coupling unit and is connected to the anchor points. Inner coupling beams are disposed on a side, close to the anchor points, of the first torsion plate. A second torsion plate is disposed on the inner side of the external coupling unit and is connected to the anchor points, the second torsion plate is connected to the first torsion plate through two of the inner coupling beams, the second torsion plate and the first torsion plate are mutually embedded, the first torsion plate and the second torsion plate are symmetrical about a first axis of symmetry. The accelerometer reduces cross coupling reduced, and accuracy and anti-interference performance of the accelerometer are improved.

Abstract: The present disclosure relates to the field of wireless communication, and provides an uplink signal transmission method, a terminal, and a storage medium. The terminal is configured with at least three bands and transmits an uplink signal on one or two of the at least three bands configured for the terminal.

Abstract: Disclosed is an accelerometer. The accelerometer includes: an outer coupling structure, a detection structure connected to the outer coupling structure and an inner coupling structure. The detection structure includes anchors connected to the outer coupling structure, two seesaw structures elastically connected to the anchors, and a displacement detection component. The two seesaw structures are oppositely arranged, and the outer coupling structure includes an outer coupling structure inner ring that is coupled to the outer sides of the two seesaw structures and an outer coupling structure outer ring that encircles an outer circumference of the outer coupling structure inner ring. The accelerometer further includes a detection electrode plate secured to a side, close to the outer coupling structure, of the inner coupling structure. The anchors are evenly distributed at a center of the outer coupling structure, and the inner coupling structure is distributed around the anchors.

Abstract: An optical detection device including an optical detection module and an optical detection method are disclosed. The optical detection module includes: a 3D optical detection instrument, disposed along a central axis parallel to a first direction and having a 3D detection lens with the lens direction oriented toward a predetermined region aligned with the central axis to detect its 3D information; an illumination module, arranged around the central axis between the 3D detection lens and the predetermined region, providing an illumination light to the predetermined region; and a 2D detection module, including a plurality of 2D optical detection instruments arranged around the central axis, wherein each 2D optical detection instrument has a 2D detection lens. The lens direction of the 2D detection lens is arranged offset from the central axis and configured to capture 2D images of the object positioned in the predetermined region based on a preset optical path.

Abstract: The present disclosure provides an accelerometer including a base, a sensing unit arranged on the base, and two anchor points fixed to the base. The sensing unit includes: an outer coupling unit stacked on the base; two teeter-totter structures arranged on an inner side of the outer coupling unit, where the two teeter-totter structures are arranged to be in central symmetry; two inner coupling units arranged on the inner side of the outer coupling unit, where the two inner coupling units are arranged to be symmetrical about a line connecting the two anchor points; and detecting mass blocks fixed to the outer coupling unit and/or the two inner coupling units. The accelerometer further includes two out-of-plane detection devices respectively arranged at an area on the base directly facing the outer coupling unit and at an area on the base directly facing the two inner coupling units.

Abstract: The present invention relates to an accelerometer, which comprises a substrate and detecting devices. The substrate is provided with supporting anchor points and electrode fixing anchor points; the detecting device comprises two detecting plates and corresponding detecting electrodes, and the detecting electrodes are connected to the electrode fixing anchor points through connecting arms; the detecting plate is elastically connected to the supporting anchor point, the two detecting plates are asymmetrically arranged with respect to axes of the supporting anchor points, and the two detecting plates are parallel to each other and in opposite directions; and the detecting electrodes and the detecting plates are arranged at intervals to form a detecting capacitor.

Abstract: A two-stage learning framework provides image-based complementary item recommendations. After receiving an image of a real-world scene depicting at least one object, the first stage generates feature embeddings for the real-world scene and the at least one object. The second stage generates a predicted feature embedding for at least one predicted object from the feature embeddings obtained from the first stage, generates a category embedding for the at least one predicted object from the predicted feature embedding, generates a recommended feature embedding for at least one recommended object from the predicted feature embedding and the category embedding, and outputs an identifier of the at least one recommended object, wherein the at least one recommended object is complementary to the at least one object.

Abstract: The present invention provides an accelerometer, including base, anchor points, seesaw structures elastically, and a differential detection assembly; the seesaw structures includes a first seesaw structure and a second seesaw structure which are parallel to each other and placed in reverse; the anchor points includes first anchor points and second anchor points; the first seesaw structure includes first elastic members and a first mass block connected to the first elastic members; the first mass block is driven by a normal phase carrier drive signal from the first anchor points; the second seesaw structure includes second elastic members and a second mass block connected to the second elastic members; and the second mass block is driven by a reversed phase carrier drive signal from the second anchor points. The accelerometer can effectively suppress the impact of noise of an angular acceleration of rotation.

Abstract: The present invention provides an MEMS gyroscope and an electronic product. The MEMS gyroscope comprises a plurality of first mass blocks, a second mass block and coupling parts, wherein the plurality of first mass blocks are located at two opposite sides of the second mass block in a first direction; and each coupling part comprises a coupling link and a plurality of connecting beams connected to two ends of the coupling link, the connecting beams are flexible beams, and the coupling part is positioned between the first mass blocks and the second mass block and connects the first mass blocks with the second mass block. Through the arrangement of the coupling links, strong coupling can be realized between the first mass blocks and the second mass block, so that the anti-interference performance of the MEMS gyroscope is enhanced during work and the working stability is improved.

Abstract: Provided are a fully-decoupled three-axis MEMS gyroscope and an electronic product. The gyroscope includes a substrate, an X/Y proof mass, Z proof masses, driving structures, and Z decoupled masses fixed to the substrate. The X/Y proof mass is annularly arranged outside the Z proof masses, the driving structures, and the Z decoupled masses; the X/Y proof masses are arranged oppositely along an x-axis direction; the driving structures are arranged oppositely along the x-axis direction outside the Z proof masses; and the Z decoupled masses are arranged oppositely along the x-axis direction at inner sides of the Z proof masses. The X/Y proof mass is elastically connected to the driving structures adjacent thereto, each Z proof mass is elastically connected to one driving structure adjacent thereto, and each Z decoupled mass is elastically connected to one Z proof mass adjacent thereto. The gyroscope has improved detection precision.

Abstract: The present disclosure provides a micro-mechanical gyroscope and an electronic product. The micro-mechanical gyroscope includes a plurality of first mass blocks, a plurality of second mass blocks, a plurality of driving members, first connecting beams and second connecting beams. The first mass blocks are arranged to face to each other in a first direction, and the second mass blocks are arranged between the first mass blocks and arranged to face to each other in a second direction perpendicular to the first direction. In the second direction, the driving members are arranged on either sides of the first mass blocks and of the second mass blocks. Ends of the first mass blocks in the second direction are connected to driving members, respectively, through the first connecting beams, and the second mass blocks are connected to adjacent driving members, respectively, through the second connecting beams 5.

Abstract: The present invention provides a three-axis gyroscope and electronic products, including a drive structure used for driving the three-axis gyroscope, a first sensitive structure used for sensing an angular velocity in a first direction, a second sensitive structure used for sensing an angular velocity in the second direction, a third sensitive structure used for sensing an angular velocity in a third direction.

Abstract: The present disclosure provides a micro-mechanical gyroscope and an electronic product. The micro-mechanical gyroscope includes first mass blocks, second mass blocks, a first driving member, a second driving member, first coupling components and second coupling components. The second mass blocks, the first driving member and the second driving member are arranged between the first mass blocks. The second mass blocks are arranged on either sides of the first second driving members. A first mass block arranged on a side of the first driving member is connected to the first driving member through a first coupling component, and a first mass block arranged on a side of the second driving member is connected to the second driving member through a first coupling component. Ends of the second mass block in the first direction are connected to the first driving member and the second driving member, respectively, through the second coupling components.

Abstract: An in-plane displacement detection structure and an accelerometer are provided. The in-plane displacement detection structure includes a substrate, a detection assembly disposed on the substrate, and electrode wires. The detection assembly includes two first detection assemblies. The two first detection assemblies are centrosymmetric with each other. Each of the first detection assemblies includes a first movable plate, a first fixed plate, a second fixed plate, and a second movable plate that are sequentially disposed at intervals. Each second fixed plate and each second movable plate are stepped. Two second movable plates thereof are adjacent to each other. Each of the electrode wires is electrically connected to first electrode anchor points and second electrode anchor points of the detection assembly. In the in-plane displacement detection structure, a space occupied by fixed plates and movable plates is reduced to make it suitable for a miniaturized design of the accelerometer.

Abstract: The present invention relates to the field of mobile communications, and provides an information transmission method, a base station, a terminal, and a communication system. In the present invention, an NR terminal reports LTE neighboring cell CRS interference inhibition capability information of the NR terminal to an NR base station, and the NR base station receives the LTE neighboring cell CRS interference inhibition capability information reported by the NR terminal.

Abstract: The present disclosure discloses an interference mitigation method and system, and a terminal, and a base station, and relates to the technical field of communication technology. The method of the present disclosure is executed by a terminal, including: reporting capability information of Cell-specific Reference Signal (CRS) interference mitigation to a base station, wherein the capability information of the CRS interference mitigation is used to indicate whether the terminal in a cell of a first mode supports the CRS interference mitigation of a neighbor cell of a second mode in a scenario with overlapping spectrum for the first mode and the second mode; receiving neighbor cell CRS assist information sent from the base station, wherein the neighbor cell CRS assist information comprises CRS related information of one or more neighbor cells of the second mode; and performing interference mitigation according to the neighbor cell CRS assist information.

Abstract: The present disclosure relates to the field of wireless communication, and provides an uplink signal transmission method, a terminal, and a storage medium. The terminal is configured with at least three bands and transmits an uplink signal on one or two of the at least three bands configured for the terminal.