Abstract: The present disclosure discloses a camera optical lens. The camera optical lens including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The camera optical lens further satisfies specific conditions.

Abstract: Embodiments of the present application disclose a method and apparatus for generating a neural network structure, an electronic device, and a storage medium. The method comprises: sampling a neural network structure to generate a network block, the network block comprising at least one network layer; constructing a sampling neural network based on the network block; training the sampling neural network based on sample data, and obtaining an accuracy corresponding to the sampling neural network; and in response to that the accuracy does not meet a preset condition, regenerating a new network block according to the accuracy until a sampling neural network constructed by the new network block meets the preset condition, and using the sampling neural network meeting the preset condition as a target neural network.

Abstract: Systems and methods are provided herein for removing the need to account for varying lengths of data packets that are transmitted during a single clock cycle, and to require only one CRC calculation block for handling parallel processing of a stream of data packets received during a clock cycle. Moreover, systems and methods are provided herein for eliminating a need for a shifter, such as a barrel shifter, to process the data packets of a single clock cycle in parallel.

Abstract: The method includes acquiring a working remote radio unit (RRU) set of a user equipment (UE), determining an RRU having the highest signal strength of the UE and screening the working RRU set based on the RRU having the highest signal strength, to generate a first paired RRU set of the UE, generating a paired UE set based on the first paired RRU set, determining whether an RRU exists in the first paired RRU set, when an RRU exists in the first paired RRU set, determining a second paired RRU set of the UE according to the first paired RRU set and the paired UE set and determining an actual user attribute of the UE according to the second paired RRU set and an initial user attribute of the UE, and scheduling a resource for the UE according to the actual user attribute of the UE.

Abstract: The present disclosure discloses a lens module. The lens module includes a lens barrel and a lens group. The lens group is installed inside the lens barrel. The lens barrel includes a first barrel wall extended horizontally and a second barrel wall bended and extended from the first barrel wall. The lens module includes also a stop installed inside the lens barrel. The stop is installed inside the lens barrel and clamped between the first barrel wall and the lens group. The stop and the lens group are lined up in turn from object side to image side.

Abstract: A lens module includes a lens barrel having a top wall that has a bottom surface, and a lens group received by the lens barrel. The lens group includes a first lens adjacent to the top wall and a second lens attached to the first lens. A first complementary configuration is arranged between the first lens and the top wall of the lens barrel for ensuring a concentricity between the lens group and the lens barrel, and a second complementary configuration is arranged between the first lens and the second lens for ensuring a concentricity between the first lens and the second lens.

Abstract: A lens module includes a lens barrel having a top wall that has a bottom surface, and a lens group received by the lens barrel. The lens group includes a first lens adjacent to the top wall and a second lens attached to the first lens. A first complementary configuration is arranged between the first lens and the top wall of the lens barrel for ensuring a concentricity between the lens group and the lens barrel, and a second complementary configuration is arranged between the first lens and the second lens for ensuring a concentricity between the first lens and the second lens.

Abstract: A lens module includes a lens barrel, and a lens group received by the lens barrel. The lens barrel includes an first supporter, a second supporter extending vertically from the first supporter, and a receiving space formed by those supporters, the first supporter having a light aperture, the second supporter having an inner surface facing the receiving space. The lens group includes a first lens abutting against the inner surface of the second supporter, a second lens stacked on the first lens and abutting against the inner surface of the second supporter, a third lens stacked on the second lens and abutting against the inner surface of the second supporter, and a fourth lens stacked on the third lens and abutting against the inner surface of the second supporter, for ensuring the concentricity among the lenses and keeping the lens group coaxial with the lens barrel.

Abstract: The present disclosure discloses a lens module. The lens module includes a lens barrel and a lens group. The lens group is installed inside the lens barrel. The lens barrel includes a first barrel wall extended horizontally and a second barrel wall bended and extended from the first barrel wall. The lens module also includes a stop and a press ring. The stop is fixed on the first barrel wall. The press ring is located on the stop and presses on the stop. The stop and the lens group are lined up in turn from object side to image side. The length of the lens barrel is reduced due to the stop and the press ring, when shaping of lens barrel is being done, production difficulty of shaping is decreased, and the yield of qualified lens barrel is increased.

Abstract: A lens module includes a lens supporter, and a lens group received by the lens supporter. The lens supporter includes an aperture plate, a main body extending downwardly from the aperture plate and a receiving space formed by the aperture plate and the main body, the aperture plate having a light aperture, the main body having an internal surface facing the receiving space. The lens group includes a first lens abutting against the aperture plate for forming a first alignment accuracy, a second lens stacked on the first lens and keeping a distance from the internal surface of the main body, a third lens stacked on the second lens and keeping a distance from the internal surface of the main body, and a fourth lens stacked on the third lens and abutting against the internal surface of the main body.

Abstract: Methods and apparatuses for preamble determination have been provided. A method for transmitting a preamble by a user equipment to a base station is provided. The method comprises: selecting a random access resource for transmitting a preamble; determining one root sequence allocated to the random access resource based on a mapping relationship between root sequences and random access resources; generating a preamble based on the root sequence; and transmitting the preamble on the random access resource. The mapping relationship is established based on a rule that a random access resource carries preambles generated from a same root sequence.

Abstract: The method includes acquiring a working remote radio unit (RRU) set of a user equipment (UE), determining an RRU having the highest signal strength of the UE and screening the working RRU set based on the RRU having the highest signal strength, to generate a first paired RRU set of the UE, generating a paired UE set based on the first paired RRU set, determining whether an RRU exists in the first paired RRU set, when an RRU exists in the first paired RRU set, determining a second paired RRU set of the UE according to the first paired RRU set and the paired UE set and determining an actual user attribute of the UE according to the second paired RRU set and an initial user attribute of the UE, and scheduling a resource for the UE according to the actual user attribute of the UE.

Abstract: A camera lens is disclosed. The camera lens includes five piece ultra-thin and wide angle lenses with excellent optical properties and with chromatic aberration sufficiently corrected as follows: a first lens with positive refractive power; a second lens with negative refractive power; a third lens with negative refractive power; a fourth lens with positive refractive power; a fifth lens with negative refractive power which are arranged sequentially from an object side to an image side. The camera lens is characterized in that it meets specified conditions.

Abstract: The present disclosure discloses a lens module. The lens module includes a lens barrel and a lens group. The lens group is installed inside the lens barrel. The lens barrel includes a first barrel wall extended horizontally and a second barrel wall bended and extended from the first barrel wall. The lens module also includes a stop and a press ring. The stop is fixed on the first barrel wall. The press ring is located on the stop and presses on the stop. The stop and the lens group are lined up in turn from object side to image side. The length of the lens barrel is reduced due to the stop and the press ring, when shaping of lens barrel is being done, production difficulty of shaping is decreased, and the yield of qualified lens barrel is increased.

Abstract: The present disclosure discloses a lens module. The lens module includes a lens barrel and a lens group. The lens group is installed inside the lens barrel. The lens barrel includes a first barrel wall extended horizontally and a second barrel wall bended and extended from the first barrel wall. The lens module includes also a stop installed inside the lens barrel. The stop is installed inside the lens barrel and clamped between the first barrel wall and the lens group. The stop and the lens group are lined up in turn from object side to image side.

Abstract: The present disclosure discloses a lens module. The lens module includes a lens barrel and a lens group. The lens group is installed inside the lens barrel. The lens barrel includes a first barrel wall extended horizontally and a second barrel wall bended and extended from the first barrel wall. The lens module includes also a stop installed inside the lens barrel. The stop is fixed on the first barrel wall. The stop and the lens group are lined up in turn from object side to image side. As the length of the lens barrel is reduced due to the usage of stop, when shaping of lens barrel is being done, the production difficulty of shaping is decreased and the yield of qualified lens barrel is increased.

Abstract: The present invention discloses a pseudo-random bit sequence (PRBS) generator which outputs the entire datapath, or entire pseudo-random bit sequence, over one single clock cycle. This is accomplished by removing redundancy, or any redundant exclusive-or gates from linear feedback shift registers; using logic to identify the critical path and optimal shift for the critical path; and dividing the datapath into several pipeline stages to increase the clock rate (i.e., transmission speed).

Abstract: Disclosed is lens module. The lens module includes a barrel and a lens group disposed in the barrel. The lens group includes a first lens element connecting with the barrel and a second lens element connecting with the first lens element. The first lens element connecting with the barrel makes the lens module have a first matching precision. The first matching precision makes the barrel and the lens group be concentric. The first lens element has a first arc surface and the second lens element has a second arc surface engaging with the first arc surface which makes the lens module have a second matching precision. The second matching precision makes the first lens element and the second lens element be concentric.

Abstract: Disclosed is lens module. The lens module includes a barrel and a lens group disposed in the barrel. The lens group includes a first lens element connecting with the barrel and a second lens element connecting with the first lens element. The first lens element connecting with the barrel makes the lens module have a first matching precision. The first matching precision makes the barrel and the lens group be concentric. The first lens element has a first arc surface and the second lens element has a second arc surface engaging with the first arc surface which makes the lens module have a second matching precision. The second matching precision makes the first lens element and the second lens element be concentric.

Abstract: A lens module includes a lens holder having a top wall that has a bottom surface, and a lens unit received by the lens holder. The lens unit includes a first lens adjacent to the top wall and a second lens attached to the first lens. A first complementary configuration is arranged between the first lens and the top wall of the lens holder for ensuring a concentricity between the lens unit and the lens holder, and a second complementary configuration is arranged between the first lens and the second lens for ensuring a concentricity between the first lens and the second lens.