Abstract: The present disclosure provides a package packing method. The package packing method includes the following steps. An order including multiple items is received. The selected boxes with the same minimum width and minimum height are selected from multiple of boxes according to a length and a width of a main content item. The selection boxes have different depths. The minimum width and minimum height of the selection boxes are set as two-dimensional size dimension of a reference boxes. Under a condition of the two-dimensional size of the reference box, a minimum depth of the reference box and a packing scheme are calculated according to size of each of the main content item and attached content items, to fit the content items into the reference box. A target box is selected from these selected boxes according to the minimum depth of the reference box.

Abstract: An optimization method for UAV-based wireless information and energy transmission includes following steps: S1: reporting, by a wireless device, an energy state of the wireless device to a UAV; S2: detecting, by the UAV, a channel state between the UAV and the wireless device; and S3: selecting, by the UAV, an optimal action based on estimated revenue maximization according to an electric quantity of the UAV, an electric quantity of the wireless device, and the channel state. The use of the wireless device can reduce wiring costs, beautify the space, and ensure a smaller size and a lower power. By applying the UAV to information and energy transmission for the wireless devices, the data transmission rate and the energy conversion efficiency of networks are improved.

Abstract: The present application discloses a massive MIMO wireless energy transmission method based on dynamic frame transmission. The method comprises the following steps: controlling, by a base station, each antenna to transmit a pilot signal to a user end in a time-sharing mode by using set time-sharing pilot frames; acquiring, by the user end, downlink channel state information from the antennae of the base station to the user end and feeding the downlink channel state information back to the base station; and calculating, by the base station, a precoding matrix based on the downlink channel state information, mapping data from a user layer to an antenna port by using the newly calculated precoding matrix, and performing beam forming calculation with maximization of an energy signal of the user end as a goal.

Abstract: A method for establishing a complex motion controller includes following steps: obtaining a source controller and a destination controller, wherein the source controller is configured to generate a source motion, and the destination controller is configured to generate a destination motion; determining a transition tensor between the source controller and the destination controller, wherein the transition tensor has a plurality of indices, one of the plurality of indices corresponds to a plurality of phases of the source motion; calculating a plurality of transition outcomes of the transition tensor and recording the plurality of transition outcomes according to the plurality of indices; calculating a plurality of transition qualities according to the plurality of transition outcomes; and searching for an optimal transition quality from the plurality of transition qualities to establish a complex motion controller for generating a complex motion corresponding to one of the plurality of phases.

Abstract: An equation state with a mixing rule that captures a multi-component layering within nanopores may be used to model (1) fluid mixture in the nanopores of the reservoir and (2) movement of fluid between the nanopores and large pores of the reservoir. Such modeling of fluid behavior in large pores and nanopores of the reservoir may enable more accurate simulation of the reservoir (e.g., for hydrocarbon recovery).

Abstract: Disclosed are a material pushing apparatus and a charging method thereof, and a material pushing machine and a material pushing method thereof. The material pushing apparatus comprises a charger (200) and a material pushing machine (100), and when the material pushing machine moves to the position where the charger is located, the charger can automatically supplement electric energy to the material pushing machine, such that the automation level of the material pushing apparatus is improved.

Abstract: Provided are method and device for inverse quantization and inverse transformation and non-transitory computer-readable storage medium.

Abstract: A range finder includes a prism module and a prism adjusting mechanism. The prism module includes a fixing prism group and a movable prism group, wherein the fixing prism group is adjacent to the movable prism group. The prism adjusting mechanism includes a first adjusting group and a second adjusting group, wherein the first adjusting group includes a first adjusting member and a second adjusting member, and the second adjusting group includes a third adjusting member. The first adjusting member or the second adjusting member is rotated to axially move so that the movable prism group is rotated with respect to the fixing prism group about a first axis, the third adjusting member is rotated to axially move so that the movable prism group is rotated with respect to the fixing prism group about a second axis, and the first axis is perpendicular to the second axis.

Abstract: A method for training a locomotion controller of a robotic animal comprising obtaining a motion data of a reference animal, an environmental parameter, and a disturbance parameter; generating a plurality of primitive distributions and a first primitive influence according to the motion data by a policy network; selecting a current state of the reference animal from the motion data and set an adapting state of the reference animal; generating a second primitive influence, by the policy network, according to the current state, the adapting state, and the plurality of primitive distributions at least; and training the policy network according to a result determined by a discriminator according to the first primitive influence and the second primitive influence.

Abstract: Provided is a magnetic refrigeration device, including a first assembly and a second assembly, herein the second assembly is an annular assembly, the first assembly is located on a radial outer side or a radial inner side of the second assembly, the first assembly is a first magnet assembly, the second assembly is provided with an air gap space capable of accommodating a magnetic working medium bed, the first assembly is configured to rotate relative to the second assembly, and directions of a magnetic line of force of the first magnet assembly are distributed in the circumferential direction of the annular second assembly.

Abstract: A method for training a locomotion controller of a robotic animal comprising obtaining a motion data of a reference animal, an environmental parameter, and a disturbance parameter; generating a plurality of primitive distributions and a first primitive influence according to the motion data by a policy network; selecting a current state of the reference animal from the motion data and set an adapting state of the reference animal; generating a second primitive influence, by the policy network, according to the current state, the adapting state, and the plurality of primitive distributions at least; and training the policy network according to a result determined by a discriminator according to the first primitive influence and the second primitive influence.

Abstract: A direction adjusting device for mounting to a steering system of a driving body includes a driving element and a linkage element. The driving element includes a fitting housing and a driving main body, the fitting housing has an accommodation space, the driving main body has a transmission channel, the driving main body is installed in the accommodation space of the fitting housing, and the transmission channel of the driving main body communicates with the accommodation space of the fitting housing. The linkage element is installed in the transmission channel, the driving main body is capable of for driving the linkage element to rotate, and the linkage element is installed on the steering system of the driving main body.

Abstract: A method for training a virtual animal to move based on control parameters comprises an imitation learning stage and an adaptive control stage. The imitation learning stage includes obtaining a first momentum, a second momentum, a current state and a target state of a reference animal associated with the virtual animal, analyzing the first and second momentum to generate primitive distributions, and training a first gating network to generate a first primitive influence so as to convert the current state to the target state. The adaptive control stage includes obtaining a control parameter set, training a second gating network to generate a second primitive influence so as to convert the current state to a combination of the current state and the control parameter set, and generating a determination result according to the first and second primitive influences to update the second gating network.

Abstract: An image reconstruction method, device and apparatus and non-transitory computer-readable storage medium are disclosed. The method may include: determining norms of convolution kernels of each convolutional layer of a deep neural network model; determining the convolution kernels with norms greater than or equal to a preset threshold in each convolutional layer to obtain a target convolution kernel set of each convolutional layer; processing an input image of each convolutional layer by using the convolution kernels in the target convolution kernel set of each convolutional layer respectively, to obtain a first image processing result; obtaining a second image processing result by performing interpolation on an initial image; and determining a fusion result according to the first image processing result and the second image processing result and reconstructing the initial image according to the fusion result.

Abstract: Provided are method and device for inverse quantization and inverse transformation and non-transitory computer-readable storage medium.

Abstract: An optimization method for UAV-based wireless information and energy transmission includes following steps: S1: reporting, by a wireless device, an energy state of the wireless device to a UAV; S2: detecting, by the UAV, a channel state between the UAV and the wireless device; and S3: selecting, by the UAV, an optimal action based on estimated revenue maximization according to an electric quantity of the UAV, an electric quantity of the wireless device, and the channel state. The use of the wireless device can reduce wiring costs, beautify the space, and ensure a smaller size and a lower power. By applying the UAV to information and energy transmission for the wireless devices, the data transmission rate and the energy conversion efficiency of networks are improved.

Abstract: A rotating shaft mechanism includes a first connecting portion, a second connecting portion, a central shaft rotatably connected to the first connecting portion and the second connecting portion, and an adjusting unit disposed on the central shaft. The adjusting unit includes an adjusting ring disposed around the central shaft, a first washer disposed around the central shaft and configured to generate a force to the first connecting portion or the second connecting portion. A position of the adjusting ring with respect to the central shaft is axially adjustable for adjusting the force so that the first connecting portion or the second connecting portion is rotatable or fixed relative to the central shaft.

Abstract: A range finder includes a prism module and a prism adjusting mechanism. The prism module includes a fixing prism group and a movable prism group, wherein the fixing prism group is adjacent to the movable prism group. The prism adjusting mechanism includes a first adjusting group and a second adjusting group, wherein the first adjusting group includes a first adjusting member and a second adjusting member, and the second adjusting group includes a third adjusting member. The first adjusting member or the second adjusting member is rotated to axially move so that the movable prism group is rotated with respect to the fixing prism group about a first axis, the third adjusting member is rotated to axially move so that the movable prism group is rotated with respect to the fixing prism group about a second axis, and the first axis is perpendicular to the second axis.

Abstract: A prism and light transmitter module includes a prism holder, a light transmitter, a prism module, a drive circuit board, a shield, and a fixing assembly. The light transmitter is configured to emit or receive a light beam along a light axis. The prism module includes an inclined plane and is disposed within the prism holder with the inclined plane exposed. The drive circuit board is disposed above the inclined plane, and intersects with the light axis at a first angle. The shield is disposed on the drive circuit board. The fixing assembly connects to the prism holder, is configured to fix the drive circuit board, and includes a hole through which the light transmitter is exposed. A binocular capable of measuring distance includes a first optical system and a second optical system. The first optical system or/and the second optical system include the prism and light transmitter module.

Abstract: A range finder includes an image capturing module, a transceiver module, a switching module, an output device and a processing unit. The image capturing module is configured to receive a first light beam emitted by an object. The transceiver module is configured to emit a second light beam to the object and receive the second light beam reflected by the object for obtaining a distance between the range finder and the object. The switching module is configured to output an electrical signal corresponding to a selected operating mode selected from a plurality of operating modes. The output device is configured to show the selected operating mode corresponding to the electrical signal. The processing unit is connected to the image capturing module, the transceiver module and the output device for receiving the electrical signal and controlling the image capturing module, the transceiver module and the output device.