Abstract: A method and device applied in an Android data processing system for performing synchronous control via an external apparatus. A control message from the external apparatus is received via a communication channel connected to the external apparatus. A pre-stored event generation procedure is executed by an Android Shell user privilege to convert the control message from the external apparatus into an event message identifiable by the Android data processing system. The Android data processing system identifies the event message and generates a corresponding control event to perform corresponding operations based on the control event. The external apparatus is used to synchronously control the Android data processing system and variation on the Android data processing system is less.

Abstract: An image mirror display method for an Android data processing system is provided. The method includes: executing a pre-stored virtual display screen record procedure by an Android Shell user privilege for obtaining images displayed on a virtual display of the Android data processing system, wherein the images displayed on the virtual display are the same as current images displayed on an internal display of the Android data processing system; processing and storing the images displayed on the virtual display of the Android data processing system; and sending the stored images displayed on the virtual display of the Android data processing system to an external display device via a communication channel, wherein the Android data processing system and the external display device are coupled via the communication channel.

Abstract: A method of compressing an electrocardiography (ECG) signal and an ECG signal sensing apparatus thereof are provided. The method of compressing the ECG signal includes the following steps. A current first characteristic wave is identified and captured from the ECG signal. A set of difference is obtained by subtracting a previous first characteristic wave from the current first characteristic wave. A first encoding process is executed on the set of difference, so as to obtain a first bit stream. A compressed ECG data is generated, wherein the compressed ECG data at least comprises the first bit stream.

Abstract: A multi-circuit layer circuit board includes: two circuit layers formed on a substrate, the same circuit layer including a plurality of signal lines and a plurality of ground reference planes. At least one of the signal lines is formed between any two adjacent ground reference planes. The ground reference planes of one circuit layer are electrically coupled to the ground reference planes of the other circuit layer via a plurality of vias. One of the signal lines of one circuit layer is not overlapped with one signal line of the other circuit layer. The signal lines have a toggle rate higher than 800 MHz.

Abstract: A memory control system has an SDRAM device, a memory controller, a loading monitoring unit and a memory physical module. The SDRAM device has a plurality of SDRAM cells for storing data. The loading monitoring unit detects workload of a memory interface of the SDRAM device. The memory controller switches an operation condition of the memory system from a first condition to a second condition when the detected workload satisfies at least one predetermined criterion. The memory physical module is coupled between the SDRAM device and the memory controller and has an interface timing calibration circuit configured to adjust timing of signals of the memory interface such that the signals are adjusted in best timing location and data are captured with a great timing margin.

Abstract: This invention relates to a method for performing Power Headroom reporting procedure, adapted for a user equipment, wherein the user equipment is operated in a plurality of activated serving cells, the method includes the steps of: providing a prohibitPHR-Timer; obtaining a plurality of downlink path loss values respectively corresponding to the activated serving cells; triggering a power headroom report when the prohibitPHR-Timer expires or has expired and at least one of the downlink path loss values has changed more than a PathlossChange threshold since the last transmission of a PHR; and reporting the power headroom report.

Abstract: A fast blind scan method first initializes pointers to fetch a block of spectrum and then checks whether the block contains a high spectrum signal and whether the difference between a carrier frequency of the high spectrum signal and a start pointer is greater than a first threshold. When the high spectrum signal is absent or the difference is not greater than the first threshold, it checks whether there is a full band channel in the block. When the full band channel exists, a signal detection and parameter extraction operation is performed and the start pointer is set to be a frequency of a second cross point. Then, it checks whether the difference between the start pointer and an end pointer is greater than a second threshold and, if not, a carrier frequency pointer is set to enable a tuner to fetch a next block.

Abstract: A data capture device including a signal processing unit, a frequency locked circuit and a match circuit is provided. The signal processing unit converts a radio frequency signal to a return-to-zero signal. The frequency locked circuit estimates a minimum interval length by the return-to-zero signal in a plurality of detecting periods, and generates an enable signal according to the minimum interval length and the return-to-zero signal. The frequency locked circuit determines whether to calibrate the enable signal according to a distribution of a plurality of enable pulses in the enable signal to generate a sampling signal. The match circuit samples the return-to-zero signal by the sampling signal and generates a synchronization signal according to a sampling result. The match circuit generates a composite synchronization signal by a virtual signal and the synchronization signal, and captures a plurality of row data from the return-to-zero signal according to the composite synchronization signal.

Abstract: A motion vector refining apparatus including a control unit, N filter units, and a mixer unit is provided. The control unit receives a motion estimation signal generated by a motion estimation unit and calculates a plurality of variation parameters according to a current motion vector, surrounding motion vectors, or a block matching error, so as to generate a control signal. The N filter units respectively calculate N filtering motion vectors by using N analysis processes. The mixer unit weights and mixes the filtering motion vectors according to the control signal to adjust and output a refined motion vector. Thereby, the motion vector refining apparatus can detect the edge of a moving object and mix filtering results of the analysis processes to adjust and refine motion vectors, so as to reduce image defects caused by a smooth processing.

Abstract: A fast blind scan method first initializes pointers to fetch a block of spectrum and then checks whether the block contains a high spectrum signal and whether the difference between a carrier frequency of the high spectrum signal and a start pointer is greater than a first threshold. When the high spectrum signal is absent or the difference is not greater than the first threshold, it checks whether there is a full band channel in the block. When the full band channel exists, a signal detection and parameter extraction operation is performed and the start pointer is set to be a frequency of a second cross point. Then, it checks whether the difference between the start pointer and an end pointer is greater than a second threshold and, if not, a carrier frequency pointer is set to enable a tuner to fetch a next block.

Abstract: An analog-to-digital conversion device and a method thereof are provided. The analog-to-digital conversion device includes a first level adjustment unit, an analog-to-digital converter (ADC), and a linear range detection unit. The ADC converts a test signal or a first input signal to generate a test data stream or a first output data stream. In an adjustment mode, the linear range detection unit obtains a conversion curve of the ADC by using the test data stream and determines whether to adjust offset control information according to a linear range of the conversion curve. In an operation mode, the linear range detection unit continues outputting the offset control information. Additionally, before transmitting the first input signal, the first level adjustment unit adjusts a direct-current level of the first input signal according to the offset control information to allow the first input signal to be within the linear range of the conversion curve.

Abstract: A hybrid equalization system includes an equalization device, a target channel impulse response device, a maximum likelihood sequence estimation device and a multiplexer. The equalization device receives a sampled baseband signal and performs an equalization operation thereon for generating first estimated symbols. The target channel impulse response device convolutes the first estimated symbol and a predetermined target channel response function for generating a training symbol corresponding to a target channel. The maximum likelihood sequence estimation device performs a maximum likelihood sequence estimation on the sampled baseband signal trained by first estimated symbols based on the target channel impulse response for generating second estimated symbols. The multiplexer selects the first estimated symbol or the second estimated symbol as an output of the hybrid equalization system according to a selection signal.

Abstract: A data recovery method includes the following steps. Firstly, plural sampling values are classified into a first group, a second group, a third group and a fourth group. A first channel estimation value and a second channel estimation value are generated according to the sampling values of the second group and the third group. A judging step is performed to judge whether a first sampling value of the first group is lower than the first channel estimation value or a second sampling value of the fourth group is higher than the second channel estimation value. If the judging condition is satisfied, a polarity of the first sampling value or the second sampling value is changed and then the plural sampling values are outputted. If the judging condition is not satisfied, the plural sampling values are directly outputted.

Abstract: This invention relates to a method for performing Power Headroom reporting procedure, adapted for a user equipment, wherein the user equipment is operated in a plurality of activated serving cells, the method includes the steps of: providing a prohibitPHR-Timer; obtaining a plurality of downlink path loss values respectively corresponding to the activated serving cells; triggering a power headroom report when the prohibitPHR-Timer expires or has expired and at least one of the downlink path loss values has changed more than a PathlossChange threshold since the last transmission of a PHR; and reporting the power headroom report.

Abstract: A general receiver device with adaptive filter includes an antenna, a low noise amplifier, a bandpass tracking filter, a single-ended-to-differential converter unit, a mixer, and an adaptive filter. The antenna receives an RF signal. The low noise amplifier amplifies the RF signal for generating an amplified RF signal. The band-pass tracking filter filters the amplified RF signal for generating a filtered RF signal. The single-ended-to-differential converter unit converts the filtered RF signal into a differential RF signal. The mixer receives a differential local oscillation signal and uses the differential local oscillation signal to down-convert the differential RF signal into a differential IF signal. The adaptive filter filters the differential IF signal for generating a filtered differential IF signal.

Abstract: A temperature sensing device includes a bandgap voltage generator, N mirror current sources, a temperature voltage generator, and a temperature calculating unit. The mirror current sources mirror N mirror currents according to a positive temperature coefficient current. The temperature voltage generator sets the conducting number M of the mirror current sources based on a control signal, so as to generate a temperature voltage. The temperature calculating unit gradually counts the control signal and compares a potential of the temperature voltage with a potential of a reference voltage generated by the bandgap voltage generator after counting the control signal, so as to calculate and obtain temperature information. Thus, the temperature sensing device controls the conducting number M of the mirror current sources to generate the temperature voltage instead of applying serially-connected resistors, so as to reduce a circuit area of the temperature sensing device and reduce noise.

Abstract: An optical storage system includes an optical pick-up head for receiving and transforming an optical signal into an electric signal; a pre-amplifier for receiving the electric signal and outputting a RF signal and a position error signal; a data and timing recovery unit for receiving the RF signal and generating a modulated signal and a clock signal; an error correction unit for generating a data signal according to the modulation signal and the clock signal; a defect signal generator for receiving the RF signal and generating a defect signal according to the RF signal, wherein the defect signal is enabled when the RF signal has a defect; and an error correction controller for receiving the defect signal and generating an error correction control signal according to the defect signal, wherein the error correction unit further receives the error correction control signal and adjusts the decoding strategy of the error correction unit according to the error correction control signal.

Abstract: A horizontal synchronization signal detection system includes a coarse period estimator and a fine period time estimator. The coarse period estimator estimates a minimum value and corresponding position of each period of a CVBS signal to calculate a coarse period of a horizontal synchronization signal. The fine period time estimator divides the horizontal synchronization signal into a first part and a second part so as to generate a first sum and a second sum by adding signals of the first part and the second part, and detects a middle point of the horizontal synchronization signal when the first sum equals the second sum. The steps of fine-tuning the coarse period to generate a fine-tuned coarse period, extracting the horizontal synchronization signal according to the fine-tuned coarse period, and determining whether the first sum is equal to the second sum are repeatedly executed until the first sum equals the second sum.

Abstract: A blind scan system in a DVB-S system includes a spectrum parameter extractor to fetch and calculate a coarse carrier frequency offset and coarse symbol rate of a signal; a digital mixer to depend on the coarse frequency offset to shift the center of a spectrum of the signal to a position where a DC part of a working spectrum of a digital matched filter locates, so as to produce an offset signal; and an interpolator to perform a down-sampling on the offset signal according to the coarse symbol rate in order to improve the in-band signal-to-noise ratio of the digital matched filter and mitigate impacts due to adjacent channel interferences. Thus, the fine carrier frequency offset and fine symbol rate estimation can be performed accurately.

Abstract: This invention relates to a method for performing Power Headroom reporting procedure, adapted for a user equipment, wherein the user equipment is operated in a plurality of activated serving cells, the method includes the steps of: providing a prohibitPHR-Timer; obtaining a plurality of downlink path loss values respectively corresponding to the activated serving cells; triggering a power headroom report when the prohibitPHR-Timer expires or has expired and at least one of the downlink path loss values has changed more than a PathlossChange threshold since the last transmission of a PHR; and reporting the power headroom report.