Abstract:
A method for array elements arrangement of an L-shaped array antenna based on inheritance of acquired character. The method relates to the field of array elements design for L-shaped array antenna. In order to solve the problem that the arrangement of the current L-shaped array antenna system has a weak local ability, the invention firstly encodes for the J_K array, then calculates a fitness of each chromosome in the population, randomly selects two parent chromosomes according to a overwriting probability of inheritance of acquired character, calculates a percentage of gene delivery, performs a overwriting operation to generate a new population, repeats the overwriting operation to generate the final new population; calculates the fitness of each chromosome in the population, repeats the iteration until a predetermined termination condition is met, and obtains the optimal population gene; then determines the array elements arrangement of the L-shaped array antenna according to the optimal population gene.
Abstract:
The invention relates to a global optimal particle filtering method and a global optimal particle filter. The problem of particle filter processing nonlinear and non-Gaussian signals is effectively solved. The main technical means is to use the Lamarck genetic natural law to construct a global optimal particle filter comprising: generating an initial particle set; using Unscented Kalman Filter to perform importance sampling on the initial particle set to obtain sampled particles; performing floating-point number encoding for each of the sampled particles to obtain an encoded particle set; setting an initial population; using the initial population as an original trial population to sequentially perform a Lamarck overwriting operation, a real number decoding operation, and an elite retention operation; using the real-number optimal candidate particle as a prediction sample for a next moment, and obtaining a state estimation value of a system. The invention is applicable to machine learning.
Abstract:
The invention discloses a global optimization, search and machine learning method based on the Lamarckian principle of inheritance of acquired characteristics, comprising step 1: constructing an objective function ƒ(P) according to the problem being solved, where P represents a set of candidate solutions to the problem; step 2: encoding P into a genetic algorithm (GA) chromosome, inputting or automatically calculating algorithmic parameters of the GA, and initializing the algorithm and the population of candidate solution generation G0={P01, P02, . . . , P0S}, where S is the size of the population G and 0 stands for the initial generation; step 3: at generation k, optimizing the prevailing population of the candidate solutions Gk={Pk1, Pk2, . . . , PkS} iteratively using a Lamarckian “Heredity Operator” and a “Use-and-Disuse Operator” based on the values of ƒ(Gk); and step 4: outputting the final set of optimal solutions to the problem.
Abstract:
A reconfigurable TDD-FDD multiplexer operates in a TDD mode and a FDD mode. The TDD-FDD multiplexer includes an interdigital quadruplexer in series with a one-pole three-throw RF switch. The interdigital quadruplexer includes of two V-band filters, connectable to a transmitter and a receiver, respectively, for TDD mode duplexing, and two E-band filters, connectable to a transmitter and a receiver, respectively, for FDD mode duplexing. The E-band filters include an E-band transmitting filter that passes an E-band transmitting frequency band, and an E-band receiving filter that passes for an E-band receiving frequency band offset from the E-band transmitting frequency band. Switching between the V-band receiving filter and V-band transmitting filter enables TDD duplexing functionality at V-band frequencies. Switching to the two E-band filters enables FDD duplexing functionality at E-band frequencies.
Abstract:
The disclosure discloses a method and device for detecting a state of an overcurrent protector for a battery, wherein a voltage Uout of a power supply and a voltage Ubat of a battery connected to the power supply via an overcurrent protector is acquired, and U=|Uout−Ubat| is calculated; when UL≦U≦UH and |Ibat|≦Imin, the voltage of the power supply is adjusted to be U′out, wherein UL and UH are the minimum value and maximum value of a difference between the voltage of the power supply and the voltage of the battery, respectively, Ibat is a current of the battery, and Imin is a current detecting precision for detecting a current equipment of the battery; the voltage of the battery U′bat after adjusting the voltage of the power supply is acquired, and U′=|U′out−U′bat| is calculated; and a state of the overcurrent protector for the battery is determined. With the disclosure, in the case that the difference between the voltage of the battery and the supply voltage is small, by regulating the supply voltage and comparing the voltage difference across the overcurrent protector again, accurate detection of the state of the overcurrent protector for the battery as well as reduction of detecting costs is enabled.
Abstract:
A multimedia output device and an audio output method thereof are provided. The multimedia output device is electrically connected to an external speaker. The audio output method includes following steps. The multimedia output device determines whether an identification resistor exists in the external speaker. If the identification resistor exists in the external speaker, the multimedia output device determines whether the identification resistor complies with a predetermined resistance range. If the identification resistor complies with the predetermined resistance range, the multimedia output device outputs an audio signal to the external speaker to be played.
Abstract:
New use of icariin and Epimedium flavaoids containing icariin is provided by the present invention. Specifically, uses of compounds of Formula I or Epimedium containing compounds of formula I, Epimedium flavanoids, or extracts of Epimedium in manufacturing medicaments for treating, preventing, reducing and/or relieving diseases and/or conditoins related to neural myelin sheath impairments, or use of above materials in manufacturing medicaments for relieving demyelination and/or promoting repair of myelin sheath are provided by the present application, wherein, R1 is selected from H, halogen, —C1-6 alkyl, and —C(O)—C1-4 alkyl
Abstract:
Embodiments of the invention disclose a method for preparing an aqueous nano-pigment dispersion. The method comprises mixing 2.5 wt %˜40 wt % styrene with polymerization inhibitors removed by evaporation, 2.5 wt %˜20 wt % acrylate monomer, 0.25 wt %˜5 wt % crosslinking monomer, 0.05 wt %˜0.5 wt % emulsification adjuvant, and 0.05 wt %˜0.5 wt % oil soluble initiator, adding 0.25 wt %˜2.5 wt % organic pigments to be dispersed to form an oil phase solution after dissolution; dissolving 0.05 wt %˜2 wt % emulsifier and 0.05 wt %˜2 wt % buffer in 40 wt % wt˜90 wt % deionized water to form an aqueous solution; mixing the oil phase solution and the aqueous phase solution, and then homogenizing them into fine emulsion; transferring the fine emulsion into a reactor; heating to increase the temperature to initiate the polymerization; after reacting, adding an alkaline soluble monomer; after continuing the reaction, cooling the temperature to the room temperature; adjusting pH to weak alkaline; and filtering to obtain the aqueous nano-pigment dispersion.
Abstract:
The present invention relates to a light-emitting diode (LED) and a method for manufacturing the same. The LED comprises an LED die, one or more metal pads, and a fluorescent layer. The characteristics of the present invention include that the metals pads are left exposed for the convenience of subsequent wiring and packaging processes. In addition, the LED provided by the present invention is a single light-mixing chip, which can be packaged directly without the need of coating fluorescent powders on the packaging glue. Because the fluorescent layer and the packaging glue are not processed simultaneously and are of different materials, the stress problem in the packaged LED can be reduced effectively.