Abstract: A signal processing method, device and system are provided. A fitting amplitude of an input signal is acquired by performing fitting on the input signal according to a predetermined fitting model. A determination result about whether to apply a gain on the input signal is determined based on the fitting amplitude, and a gain signal is obtained based on the determination result. A delay signal acquired by delaying the input signal is processed based on the gain signal, to obtain an output signal. With the signal processing device and system, a simple structure and a small calculation amount are achieved, and the signal processing efficiency and the signal processing effect are improved.

Abstract: A method for executing a hard disk operation command, a hard disk, and a storage medium. After an operation command is received, a target LUN in an idle state is determined; a target physical block that is to be accessed when the operation command is executed is determined from the target LUN; the operation command is stored in a processing waiting queue corresponding to a flash memory chip to which the target physical block belongs; and a working state of the target LUN is changed to a non-idle state when a quantity of operation commands that wait to be processed in a processing waiting queue respectively corresponding to each flash memory chip in the target LUN is greater than a preset threshold.

Abstract: An obstacle touching detecting device for a swimming pool cleaner includes a main functional portion of the cleaner and a sensor obstacle touching detecting device. The main functional portion of the cleaner includes a cleaner main body, a controller module, and a power-driven actuating device. The controller module and the power-driven actuating device are connected to the cleaner main body. The sensor obstacle touching detecting device includes a trigger unit connected to the cleaner main body and a sensor detecting module electrically connected to the controller module. The controller module is electrically connected to the power-driven actuating device. The trigger unit works collaboratively with the sensor detecting module to trigger the sensor detecting module to generate a detection signal. An automatic detection is performed when the cleaner touches the wall or other obstacles, and the cleaner is controlled to change direction automatically.

Abstract: A method for setting form-field operation permission of a workflow is disclosed in the present invention. The workflow includes a start node and an approval node; the form-field operation permission of the start node and that of the approval node are set in different modes. In addition, a method for setting form-field operation permission of an approval node is also provided. The approval node includes one or more approvers, and the form-field operation permission of each approver in the approval node is customized, which specifically includes: selecting an approver from an approval node; obtaining default settings of the form-field operation permission; and modifying the default settings of the form-field operation permission according to an approval item of the selected approver in a workflow. The present invention shortens an approval cycle, reduces approval workloads, and enhances information security.

Abstract: A close-range microwave imaging method includes: implementing Fourier transform in a pre-set rotation axis direction on an echo signal reflected from a target object and acquired by rotating an array antenna around the pre-set rotation axis to obtain a first echo signal, wherein the first echo signal is represented in polar coordinates; multiplying the first echo signal by a pre-set reference function to obtain a second echo signal; converting the second echo signal into rectangular coordinates by a pre-set algorithm to obtain a third echo signal; and implementing three-dimensional Fourier transform on the third echo signal to obtain three-dimensional image data of the target object. By means of the method, three-dimensional image data of a target object can be obtained fast, fast imaging of the target object can be realized, the data processing amount is small, the imaging precision is high and the method is easy to implement.

Abstract: The present invention relates to the field of optical communication, and particularly to a balanced pumping L-band optical fiber amplifier comprising a first erbium-doped optical fiber, a second erbium-doped optical fiber, an absorbing erbium-doped optical fiber and at least two pumping lasers, the first erbium-doped optical fiber, the second erbium-doped optical fiber and the absorbing erbium-doped optical fiber being sequentially arranged in this order, and the at least two pumping lasers providing pumping light; wherein the first erbium-doped optical fiber and the second erbium-doped optical fiber both are injected with forward pumping light and backward pumping light, and the absorbing erbium-doped fiber is arranged downstream of the second erbium-doped optical fiber to absorb amplified spontaneous emission (ASE) generated in the amplifier.

Abstract: The present invention provides a gastrointestinal sampling capsule includes an enclosure, a sampling port on the enclosure and a sampling module connected to the enclosure. The sampling port includes a plurality of sampling holes, and the sampling module includes a sample chamber and a sampling trigger unit which controls a connection or disconnection between the sampling port and the sample chamber to turn on sampling or turn off sampling. The gastrointestinal sampling capsule further includes a connecting passage arranged between the sample chamber and the sampling port, wherein an inlet of the connecting passage corresponds to the sampling port and an outlet of the connecting passage is connected to the sample chamber. A gap is provided between the plurality of sampling holes and the inlet of the connecting passage, through which the plurality of sampling holes are connected to the connecting passage.

Abstract: A method for object tracking. The method includes capturing a sequence of images of a scene, detecting, by a hardware processor based on a pattern of local light change across the sequence of images, a light source in the scene, comparing, by the hardware processor in response to detecting the light source, a location of the light source in at least one image of the sequence of images and a target position within the at least one image to generate a result, and generating, by the hardware processor based on the result, a control signal for changing a field-of-view of a camera device such that the light source substantially aligns with the target position within the field-of-view, wherein the light source is configured to produce an object-identifying code.

Abstract: A method for object tracking. The method includes capturing a sequence of images of a scene, detecting, by a hardware processor, based on a pattern of local light change across the sequence of images, a reflective light source in the scene, comparing, by the hardware processor in response to detecting the reflective light source, a location of the reflective light source in at least one image of the sequence of images and a target position within the at least one image to generate a result, and generating, by the hardware processor based on the result, a control signal for changing a field-of-view of a camera device such that the reflective light source substantially aligns with the target position within the field-of-view, wherein the reflective light source emits an object-reflected light.

Abstract: A data access method. The method is applied to a first controller, and the method includes: receiving a destination address sent by each shared cache apparatus, where the destination address is used to indicate an address at which data is to be written into the shared cache apparatus; receiving information carrying the data; and sending the destination address and the data to the shared cache apparatus that sends the destination address, so that each shared cache apparatus stores the data in storage space to which the destination address points.

Abstract: Embodiments of methods and structures for forming a 3D integrated wiring structure are disclosed. The method can include forming a dielectric layer in a first substrate; forming a semiconductor structure having a first conductive contact over a front side of the first substrate; and forming a second conductive contact at a backside of the first substrate, wherein the second conductive contact extends through a backside of the dielectric layer and connects to a second end of the first conductive contact. The 3D integrated wiring structure can include a first substrate; a dielectric layer in the first substrate; a semiconductor structure over the front side of the first substrate, having a first conductive contact; and a second conductive contact at the backside of the first substrate, and the second conductive contact extends through a backside of the dielectric layer and connects to the second end of the first conductive contact.

Abstract: A metal oxide film and a manufacturing method thereof, a thin film transistor and an array substrate are provided. The manufacturing method of the metal oxide film includes: forming a metal oxide film on a base substrate; and suppling a negative ion to the metal oxide film for a preset time period by performing a anodization method, to convert a portion of metal ions in the metal oxide film into a metal oxide.

Abstract: A method is provided for fabricating a graphene light emitting transistor. The method includes: forming a gate electrode on a substrate; forming a gate insulating layer on the substrate and the gate electrode; forming a graphene oxide layer on the gate insulating layer; reducing two ends of the graphene oxide layer to respectively form a source electrode and a drain electrode made of graphene; forming a graphene quantum dot layer on an unreduced part of the graphene oxide layer, the source electrode, and the drain electrode; and forming a water and oxygen resistant layer on the graphene quantum dot layer.

Abstract: The invention relates to a new process for the manufacture of fluoroaryl compounds and derivatives thereof, in particular of fluorobenzenes and derivatives thereof, and especially wherein said manufacture relates to an environmentally friendly production of the said compounds. Thus, the present invention overcomes the disadvantages of the prior art processes, and in a surprisingly simple and beneficial manner, and as compared to the prior art processes, in particular, the invention provides a more efficient and energy saving processes, and also provides a more environmentally friendly process, for the manufacture of nuclear fluorinated aromatics, and preferably of nuclear fluorinated fluorobenzenes. Accordingly, in one aspect of the invention, an industrially beneficial process for preparing fluorobenzenes from halobenzene precursors using HF to form hydrogen halide is provided by the present invention.

Abstract: The present invention discloses polyglycol epoxide crosslinked sodium hyaluronate gel for injection and a preparation method thereof. A polyglycol epoxide is a compound with single molecular weight preferably; a plurality of ether bonds are present in the molecule of the polyglycol epoxide, the water solubility is good, and thus, the polyglycol epoxide is more easily subjected to a crosslinking reaction with polysaccharides; and meanwhile, polyglycol is relatively easy in adjustment of the number of repeating units and relatively easy in control of length, and thus, the sodium hyaluronate gel prepared by taking the polyglycol epoxide as a crosslinker is relatively easy in regulation and control of properties. The crosslinked sodium hyaluronate gel is low in toxicity, little in residual, small in squeezing and pushing force, good in shaping performance, good in enzyme resistance and long in in-vivo retention time. The present invention further discloses a mild crosslinker deactivation technology.

Abstract: A driving method of a display panel, comprising: dividing pixels on the display panel into pairs of pixel sets, wherein each pair of pixel sets comprises a first pixel set and a second pixel set; acquiring a first voltage signal and a second voltage signal according to a frame input signal look-up-table, wherein a front viewing-angle mixed brightness of the subpixel driven by the first and second voltage signals alternately is equivalent to a front viewing-angle brightness of the subpixel driven by a frame input signal; driving first subpixels of the first and second pixel sets by first and second voltage signals of the first subpixel of the first pixel set, respectively; and driving second subpixels of the first and second pixel sets by second and first voltage signals of the second subpixel of the second pixel set, respectively.

Abstract: A face image retrieval method includes: obtaining to-be-retrieved face information corresponding to a to-be-retrieved image by a convolutional neural network, the convolutional neural network being configured with corresponding convolution calculation configuration information by a processor, the convolutional neural network including at least one convolutional layer, the convolution calculation configuration information including a data bit width value corresponding to each convolutional layer in the convolutional neural network, and the to-be-retrieved image including at least one face region; searching a database for matched preset face image information that matches the to-be-retrieved face information, the database storing at least one piece of preset face image information; and outputting the preset face image information that matches the to-be-retrieved face information.

Abstract: The disclosed systems, structures, and methods are directed to a receiver architecture. The configurations presented herein employ a structure operative to receive a plurality of wireless analog signals, a signal encoding module configured to encode the plurality of received analog signals into a single encoded analog signal based on a coding scheme, a code compression module operative to compress the code scheme. In addition, a spectrum compression module is configured to under-sample the single encoded analog signal to generate a spectrum-compressed digital signal, a spectrum recovery module operative to recover desired information content of the received analog signals from the spectrum-compressed digital signal and to generate a digital recovery signal, and a signal detection module configured to decode the digital recovery signal based on the coding scheme and to output analog signals replicating the received wireless signals containing the desired information content.

Abstract: A wearing prompt method for a wearable device and an apparatus, and related to the field of communications technologies, to reduce a probability that the wearable device cannot accurately measure physiological parameters of a user, thereby improving accuracy of measuring the physiological parameters of the user. The method includes: obtaining, by the wearable device, a target PPG (photo plethysmo graph) signal; and prompting, by the wearable device when the target PPG signal is inconsistent with a stored reference wearing parameter, a user to adjust a wearing position of the wearable device and to adjust tightness of wearing the wearable device.

Abstract: A display device includes a flexible display panel. The flexible display device includes a first display portion, a second display portion, and a bendable portion. The bendable portion is configured to be bendable to allow the first display portion and the second display portion to be located at different planes. A sensor is disposed in the flexible display panel and configured to detect whether the bendable portion is bending. A control module is disposed in the flexible display panel and electrically connected to the sensor. The control module enables the first display portion to display a first image and enables the second display portion to display a second image when the sensor detects that the bendable portion is bending.