Abstract: This application provides an antenna structure and a communications terminal. The antenna structure includes an antenna radiator, a signal source, a first capacitor, and a first tuning circuit. A first terminal of the antenna radiator is grounded. A first terminal of the first capacitor and a first terminal of the first tuning circuit are electrically connected to a connection point of the antenna radiator. A second terminal of the first capacitor is electrically connected to the signal source. A second terminal of the first tuning circuit is grounded. Antenna impedance of the first terminal of the first capacitor at target frequencies is in the first quadrant of a Smith chart, and the target frequencies are at least some frequencies in frequency bands covered by the antenna radiator.

Abstract: A display device and a method for driving the display device are described, where the display device includes a plurality of pixel island groups, a plurality of lenses, a positioning module, and a gate driving chip. The plurality of pixel island groups are arranged in array, wherein each of the pixel island groups includes a plurality of pixel islands, and different pixel islands are able to be scanned in different scanning modes. The positioning module is configured to determine a gaze area and a non-gaze area according to gazed coordinates of human eye. The gate driving chip is configured to provide gate driving signals in a first driving manner to sub-pixel units in the gaze area, and provide gate driving signals simultaneously in a second driving manner to sub-pixel units in the non-gaze area during a scanning stage of the sub-pixel units in the non-gaze area.

Abstract: A flexible display screen includes: a flexible substrate (1); an OLED device layer (2) formed on the flexible substrate (1); an encapsulation layer(3), disposed on the OLED device layer(2) and encapsulating the OLED device layer (2); and an encapsulation protection layer (4) formed on the encapsulation layer (3). The embodiments of the present disclosure also provide a flexible display device and a manufacturing method of the flexible display screen.

Abstract: A method for preparing a rubber for an elastomer of a flexible joint, includes: weighing hydrogenated nitrile raw rubber, a silica reinforcing agent, aramid fiber pulp, carbon black, liquid nitrile rubber, zinc oxide, stearic acid, an antioxidant, and a peroxide crosslinking agent; plasticating the hydrogenated nitrile raw rubber in a first internal mixer at 125-135° C., collecting a resulting product and cooling, to yield a plasticized rubber; preheating the liquid nitrile rubber; adding the plasticized rubber to a second internal mixer, further adding the aramid fiber pulp, the zinc oxide, the stearic acid, and the antioxidant to the second internal mixer for first mixing; adding the carbon black to the second internal mixer for second mixing; adding the silica reinforcing agent and the preheated liquid nitrile rubber to the second internal mixer for third mixing; and collecting a discharged product when a temperature of the second internal mixer is 140° C.

Abstract: A connector for use with high-speed signals. The connector includes a connector subassembly having conductors disposed in groups and a shielding shell at least partially encircling each group. Each conductor includes a mating end and a mounting end opposite the mating end. The shielding shell includes openings that expose contact surfaces of the conductors at the ends. The shielding shell is formed by attaching a second shell part to a first shell part. The first shell part has plateaus and valleys, and the second shell part is attached to the first shell part at the valleys, such that tubular structures are formed. The shielding shell includes contact surfaces disposed on the same planes with the contact surfaces of the conductors at the ends, respectively. Such a configuration meets signal integrity requirements in connectors designed for 64 Gbps and beyond, while conforming to a standard that constrains mating and mounting interfaces.

Abstract: The present disclosure relates to a radar ranging system based on a true random generator and a ranging method thereof The present disclosure adopts the following technical scheme: the system comprises a radar signal modulation and transmission unit and a radar signal receiving and processing unit, wherein the radar signal modulation and transmission unit inputs and stores a true random binary sequence generated by the true random generator in a memory, and cyclically outputs the true random binary sequence to a BPSK modulator for phase modulation. The receiving and amplifying unit receives the reflected radar signal. The down-sampling unit down samples the intermediate frequency signal generated by the mixers. The data processing unit converts the sampled analog signal into a digital signal and cross-correlates the signal with the true random binary sequence in the memory, so as to obtain the distance to the object side to be measured.

Abstract: The present disclosure provides an image compression method, including steps of: acquiring a human-eye fixation point on an original image, and determining a fixation region and a non-fixation region of the original image according to the human-eye fixation point; and compressing the non-fixation region, and generating a compressed image according to the fixation region and the compressed non-fixation region. The present disclosure also provides an image display method, an image compression apparatus, an image display apparatus, and a computer readable medium.

Abstract: The present disclosure provides a method of linearization for a non-linear system, comprising: a group of steps comprising: inputting an input signal to the non-linear system; obtaining an output signal from the non-linear system in response to the input signal being input to the non-linear system; obtaining a desired signal for the non-linear system; comparing the output signal with the desired signal, to determine whether the input signal is a target signal for the non-linear system to achieve a desired performance; and in response to determining that the input signal is not the target signal for the non-linear system to achieve the desired performance, generating an updated signal in frequency domain by applying a coefficient to eliminate a difference between the output signal and the desired signal, for updating the input signal to the non-linear system. The present disclosure also provides a corresponding device, computer programs, and computer-readable storage.

Abstract: A radio transmitter as well as a method and a controller therefor are disclosed. According to an embodiment, the radio transmitter comprises a power amplifier, a filter unit, a circulator, a switch and a reflection cancellation unit. The filter unit is capable of filtering an output from the power amplifier during a downlink time division duplex (TDD) slot and filtering an uplink signal during an uplink TDD slot. The circulator has a first port coupled to the power amplifier, a second port coupled to the filter unit, and a third port coupled to the switch. The switch is capable of coupling the third port of the circulator to a termination load during the downlink TDD slot and coupling the third port of the circulator to an uplink reception path during the uplink TDD slot.

Abstract: A projection screen and a projection system are provided. The projection screen includes a surface layer, at least one substrate layer, a Fresnel lens layer, a reflective layer, and a plurality of light-transmitting protrusions. The surface layer, the substrate layer, the Fresnel lens layer, and the reflective layer are sequentially arranged in a stack manner. The plurality of light-transmitting protrusions are disposed on a surface of the surface layer away from the Fresnel lens layer. At least one light-transmitting protrusion of the plurality of light-transmitting protrusions includes: a body portion and at least one of a gradually narrowing portion or a gradually expanding portion. The gradually narrowing portion or the gradually expanding portion is disposed on a surface of the body portion away from the Fresnel lens layer.

Abstract: Disclosed herein, in certain embodiments, are methods and kits for diagnosing a subject as having hepatocellular carcinoma (HCC) or lung cancer. In some instances, also described herein are methods of determining the prognosis of the subject having HCC or lung cancer. In additional instances, described herein are methods of determining the specific staging of HCC or lung cancer in a subject.

Abstract: This disclosure provides a packaging structure for a display substrate, a packaging method and a display device. The packaging structure for the display substrate includes a base substrate, a light-emitting device arranged on the base substrate, and a packaging thin film covering the light-emitting device. The packaging thin film includes an inorganic thin film and an organic thin film that are laminated, and the organic thin film is arranged on a surface of the inorganic thin film away from the base substrate. The packaging thin film includes a central region and a peripheral region surrounding the central region, the inorganic thin film located in the central region has surface energy greater than that of the inorganic thin film in the peripheral region, and the organic thin film in the central region has a thickness less than that of the organic thin film in the peripheral region.

Abstract: A multi-mode hydro-mechanical hybrid transmission device includes an input member, a hydraulic transmission mechanism, a mechanical transmission mechanism, a convergence mechanism, an output member, a clutch assembly, and a brake assembly. The clutch assembly connects an output end of the input member to an input end of the hydraulic transmission mechanism, the mechanical transmission mechanism, and the convergence mechanism. The clutch assembly connects an output end of the hydraulic transmission mechanism to the convergence mechanism. The clutch assembly connects the mechanical transmission mechanism to the convergence mechanism. The convergence mechanism is connected to the output member. Continuously changing transmission ratios are provided between the input member and the output member by adjusting a displacement ratio of the hydraulic transmission mechanism and selectively controlling engagement of the clutch assembly and the brake assembly.

Abstract: A pharmaceutical composition for ophthalmic dosing or administration is disclosed, comprising (i) a compound of Formula (I) or an isotopic variant, tautomer, pharmaceutically acceptable salt, solvate, or hydrate thereof; and (ii) at least one pharmaceutically acceptable excipient. The pharmaceutical composition is formulated as a suspension. The composition may be used to treat ophthalmic disorders and diseases caused by abnormal proliferation of angiogenesis.

Abstract: A multi-mode hydro-mechanical hybrid transmission device includes an input member, a hydraulic transmission mechanism, a mechanical transmission mechanism, a convergence mechanism, an output member, a clutch assembly, and a brake assembly. The clutch assembly connects an output end of the input member to an input end of the hydraulic transmission mechanism, the mechanical transmission mechanism, and the convergence mechanism. The clutch assembly connects an output end of the hydraulic transmission mechanism to the convergence mechanism. The clutch assembly connects the mechanical transmission mechanism to the convergence mechanism. The convergence mechanism is connected to the output member. Continuously changing transmission ratios are provided between the input member and the output member by adjusting a displacement ratio of the hydraulic transmission mechanism and selectively controlling engagement of the clutch assembly and the brake assembly.

Abstract: A method for crest factor reduction (CFR). The method includes: generating a signal, xs(t); generating a vector, x(t), of size N×1 based on xs(t), wherein N>1; generating a clipping signal vector, z(t), based on x(t), wherein z(t) is a vector of size N×1; producing a transformed signal vector, y(t), based on z(t), wherein y(t) is a vector of size N×1; and generating an output signal vector, xp(t), based on y(t) and x(t), wherein generating xo(t) comprises subtracting y(t) from x(t) and xo(t) is a vector of size N×1.

Abstract: Methods and apparatus are provided. In an example aspect, an amplifier protection circuit is provided. The amplifier protection circuit comprises an input for receiving a signal from a first amplifier, and an isolation circuit between the input and an output of the amplifier protection circuit. The isolation circuit is configured to sense a backward signal propagating from the output of the amplifier protection circuit towards the input to provide a sensed signal, and to provide at least one cancellation signal based on the sensed signal to at least partially cancel the backward signal.

Abstract: The present disclosure provides a method of linearization for a non-linear system, comprising: a group of steps comprising: inputting an input signal to the non-linear system; obtaining an output signal from the non-linear system in response to the input signal being input to the non-linear system; obtaining a desired signal for the non-linear system; comparing the output signal with the desired signal, to determine whether the input signal is a target signal for the non-linear system to achieve a desired performance; and in response to determining that the input signal is not the target signal for the non-linear system to achieve the desired performance, generating an updated signal in frequency domain by applying a coefficient to eliminate a difference between the output signal and the desired signal, for updating the input signal to the non-linear system. The present disclosure also provides a corresponding device, computer programs, and computer-readable storage.

Abstract: Disclosed herein are methods and compositions relating to synthesized nanopores. The synthesized nanopores can be used for detecting a target molecule (e.g. RNA, DNA, or peptide).

Abstract: A display panel, a method for manufacturing the same and a display device are provided. The display panel includes a substrate and a packaging layer. An edge of a first side of the packaging layer has a first slope. Touch lines are disposed on a side of the packaging layer away from the substrate, an extending direction of at least a portion of the touch lines is crossed with an extending direction of the edge of the packaging layer with the first slope. The touch lines include first lines, second lines and a first insulating layer. The second lines are electrically coupled to the first lines through vias in the first insulating layer. An orthographic projection of at least a portion of the first lines on the substrate is not overlapped with an orthographic projection of a portion of the packaging layer with the first slope on the substrate.