NATIONAL CHUNG CHENG UNIVERSITY

A low-complexity method for soft-output detection of Amplitude Phase Shift Keying (APSK) modulated signals in wireless communications includes partitioning and ordering all APSK constellation points into rings of ordered Phase Shift Keying (PSK) constellation points; computing a distance squared between a first constellation point of the ordered PSK constellation points of each ring and a received signal according to coordinates of the constellation points and the received signal, and finding the first nearest constellation point corresponding to the smallest distance squared, and determining a maximum log-likelihood ratio constellation point label according to the first nearest constellation point; performing an iterative search strategy to search over the ordered irregular PSK constellation points, and finding a smallest corresponding distance squared and computing a log-likelihood ratio corresponding to each bit of a bit data. The bit data corresponds to the received signal.

A generating method and a generating system of a wideband reconfigurable intelligent surface are proposed. The generating method includes executing an electromagnetic simulation software to generate a plurality of reconfigurable reflective units, and simulating the reconfigurable reflective units to obtain a plurality of reflection characteristic simulation values corresponding to a plurality of metal patterns; calculating the reflection characteristic simulation values according to an adaptability function to obtain a plurality of adaptability values corresponding to the metal patterns; calculating the adaptability values according to an optimization algorithm to obtain an optimized adaptability value, wherein the optimal adaptability value corresponds to an optimized metal pattern data; and importing the optimized metal pattern data into the electromagnetic simulation software to generate a plurality of optimized reconfigurable reflective units and forming the wideband reconfigurable intelligent surface based on the optimized reconfigurable reflective units.

A system having a Reconfigurable ReflectArray (RRA) structure includes a radiation layer and a control layer. The radiation layer includes at least one P-Intrinsic-N (P-I-N) diode and a plurality of reconfigurable reflective units. At least one part of the reconfigurable reflective units is electrically connected to the at least one P-I-N diode. The control layer includes at least one switch element and at least one control unit. The at least one switch element is electrically connected to the radiation layer. The at least one control unit is electrically connected to the at least one switch element. The number of the reconfigurable reflective units is different from the number of the at least one switch element.

A measurement system for scattering characteristics based on a reconfigurable intelligent surface (RIS) is configured to measure the RIS. A turntable is configured to dispose the RIS. A measurement device is disposed corresponding to the turntable. A processing device includes a memory and a processor. The processor drives the turntable to rotate to an angle, and performs an all-state measurement operation including switching all of a plurality of predetermined states of the RIS within a sampling time, and measuring the RIS by the measurement device to obtain a measurement result of the RIS corresponding to the angle. The processor confirms whether the turntable has completed all measurement angles to generate a confirmation result, and determines whether to change the angle and repeatedly perform the all-state measurement operation according to the confirmation result, and evaluates scattering characteristics of the RIS according to the confirmation result and the measurement result.

The present invention relates to compositions and methods for preventing or treating involuntary movements associated with dopaminergic dysfunction, including L-DOPA-induced dyskinesia. The composition comprises a potassium channel opener and a pharmaceutically acceptable carrier, wherein the carrier is a micelle. In certain embodiments, the potassium channel opener is an ATP-sensitive potassium (K ATP ) channel opener such as diazoxide, which may be embedded in or encapsulated by the micelle. The micelle may comprise a block copolymer and exhibit a particle size between 35 nm and 70 nm and/or a zeta potential between −15 mV and −2 mV The composition may be formulated for intranasal administration and provided as a liquid, dry powder, suspension, or combinations thereof. The invention further provides methods for treating involuntary movements by administering the micelle-based potassium channel opener composition to a subject in need, including human subjects, optionally at a dose ranging from 0.08 μg/kg to 120 μg/kg.

A planar waveguide-based optofluidic sensor and use thereof are provided, wherein the optofluidic sensor includes a substrate, an adhesive layer, a waveguide plate, and a microfluidic module layer. The adhesive layer is disposed on both sides of the substrate, the waveguide plate is disposed on the adhesive layer to be bonded with the substrate, and a hollow gap is formed between the substrate and the waveguide plate by the adhesive layer, and the microfluidic module layer is disposed on the waveguide plate and has a microfluidic channel, a fluid sample injection port, and an output port. The optofluidic sensor may detect the refractive index of the fluid sample with high sensitivity.

A paper-based micro-concentrator includes a bearing substrate, a fluid reservoir unit, a filter paper, an external electric field, an ion exchange membrane and a magnet. The fluid reservoir unit includes a first buffer solution tank and a second buffer solution tank, which are interval disposed on the bearing substrate. The filter paper is disposed on the bearing substrate, and two ends of the filter paper are respectively placed in the first buffer solution tank and the second buffer solution tank. The external electric field includes a cathode and an anode, which are respectively placed in the first buffer solution tank and the second buffer solution tank. The ion exchange membrane is disposed on the filter paper and close to the first buffer solution tank. The magnet is movably disposed under the bearing substrate.

A method for detecting objects in hyperspectral imaging is revealed. First obtaining a hyperspectral imaging information by a reference image. Then converting an input image according to the hyperspectral imaging information to get a hyperspectral image. A plurality of hyperspectral eigenvalues is obtained after image analysis of the hyperspectral image. Next getting a plurality of dimensionality reduction eigenvalues by a principal component analysis (PCA). Then performing convolution operation on the dimensionality reduction eigenvalues to get a value of a convolution matrix for extracting a feature image from an image of an object to be detected in the input image. Generating an anchor box and a prediction box in the feature image to get a bounded image. Lastly matching and comparing the bounded image with a sample image to determine whether the input image is a target object image. Thereby the method provides assistance for physicians in gastrointestinal image diagnosis.

The present application discloses a method for converting endoscope images to narrow band images. Firstly, obtaining a reference image data and a narrow band reference image data of a reference object, for obtaining a hyperspectral reference image data, a narrow band conversion parameter and a first light source parameter by operation and then correspondingly obtaining a simulated narrow band image data, which is further compared with the narrow band reference image data to obtain a chromatic aberration data. A second light source parameter is obtained according to the first light source parameter and the chromatic aberration data. An input image data of an endoscope is converted to a narrow band input image data according to the narrow band conversion parameter and the second light source parameter. Thus, the image identification ability and the definition of the input image are improved.

An intelligent warm-up method of machine tool, applicable to a machine tool, includes: a step of, based on temperature change data and thermal displacement data of a spindle measured at different time points, establishing a thermal compensation model; a step of, while the machine tool performs a warm-up process, inputting temperature change values measured at least one component of the machine tool at intervals to the thermal compensation model to obtain corresponding thermal-displacement estimated values of the spindle at different time points and changes of thermal displacement values at individual time points; and, a step of, based on the changes of the thermal displacement values at the individual time points, deriving corresponding warm-up completion degrees.