235 results about "Delay Duration" patented technology

A method and device may comprise transmitting, via a transmitter, a plurality of transmit pings at a transmit interval. A receiver may listen, for a live ping and the receiver may be configured to be turned on at a beginning of the assess interval, and off at an end of the detect duration. The receiver may further receive the live ping. After receiving the live ping, transmission of a new ping may be delayed for a delay duration. The new pings may be transmitted at the transmit interval.

An embodiment of the invention provides a method, device and robot for detecting a target object, wherein the method comprises: identifying a target object within a monitored area, and calculating first state information of the target object relative to the detection device; based on the first state information, estimating second state information after the target object is subjected to a preset delay duration value; and performing processing operation of the target object based on the estimated second state information. The invention can quickly and accurately complete tracking and state estimation of the target object, adds new functionality, meets automation and intelligence requirements of user in terms of object tracking and mobile state estimation.

Systems and methods for switch-controlled VAR sources coupled to a power grid are described. In some embodiments, a system comprises a distribution power network coupled to a first switch-controlled VAR source. The first switch-controlled VAR source may comprise a processor, a voltage compensation component, and a switch. The first switch-controlled VAR source may be configured to obtain a first delay value, monitor a first proximate voltage, initiate a first delay duration based on the comparison of the first proximate voltage to at least one set point, the first delay duration being based on the first delay value, determine, with the processor, after the first delay duration, whether to connect the voltage compensation component based on the monitored voltage, and control, based on the determination, the switch to connect the voltage compensation component to adjust a network voltage or a network voltage component.

The invention discloses a method for synchronous live broadcast through multiple cameras. A plurality of digital high definition cameras are installed in the sports field according to different angles and regions; the plurality of digital high definition cameras perform live broadcast of the same game simultaneously; when the videos of the plurality of digital high definition cameras are gathered, a current timestamp is automatically added; after a director tool receives multi-channel video information, the size of a buffer zone is adjusted automatically according to the timestamp, and a proper delay duration is selected for playing the video. The multi-channel videos are played synchronously, so that video play smoothness is improved, and the frame consistency is guaranteed.

A digital pre-distortion (DPD) power amplifying apparatus and a method for digitally controlling synchronization of the DPD power amplifying apparatus, which includes a power amplifier, a bias shifter and a DPD unit, are provided. The method includes acquiring a DPD path delay time at a path along which an input signal is fed back to the DPD unit; delaying an input signal incoming to the power amplifier by the DPD path delay time and acquiring synchronization by delaying a bias signal a predetermined number of times until the bias signal and the delayed input signal are synchronized with each other; and in response to synchronization between the bias signal and the delayed input signal being established, pre-distorting the input signal according to a feedback signal output from the power amplifier.

An organic light emitting display includes a display panel including data lines, gate lines crossing the data lines, and pixels and a panel driving circuit which supplies a data voltage to the pixels of the display panel during a power-on period and then is additionally driven for a predetermined power-on delay duration time delayed from a power-off start time of a power input signal. The panel driving circuit supplies a reverse polarity recovery voltage having a polarity opposite the data voltage to the pixels or supplies a recovery voltage, which is different from a gate voltage of a driving element of each of the pixels, to a source terminal of the driving element of each pixel for the predetermined power-on delay duration time.

A method for estimating a symbol timing offset in an Orthogonal Frequency Division Multiplexing (OFDM) communication system is disclosed. The method includes detecting a channel impulse response within one Fast Fourier Transform (FFT) duration; and estimating a symbol timing offset taking the detected channel impulse response into account. The symbol timing offset estimation includes calculating a channel delay duration depending on the detected channel impulse response; and estimating the symbol timing offset such that the channel impulse response is detected within a guard interval, taking into account the calculated channel delay duration and the guard interval existing in the one FFT duration.

A photography device and photography processing method which are capable of image-recording and display without a time lag therebetween when photography is instructed. A delay duration detection section acquires, via an A / D converter, image data obtained by photography by an image capture device, also acquires image data of an image frame which is shown at a display, and detects a number of frames by which the sets of image data are separated, to serve as a delay duration (corresponding to a time lag from operation of a shutter button until display at the display). Image data in an amount corresponding to the delay duration is stored at a temporary storage memory and, when the shutter button is fully pressed, an image frame counted back by the delay duration is selected from the image frames stored in the temporary storage memory, and is both recorded and shown at the display.

The invention provides a live flow sending display control method and device which are applied to network display terminal equipment. The method comprises the steps of obtaining one frame decoding data and storing into a sending display cache queue and recording the queue entering time; selecting one frame data from the queue according to the reading sequence as the current frame, calculating the standard sending display time of the current frame by taking a preset standard delay duration as the time interval based on last frame sending display time, and according to the sending display state of the current frame, determining the sending display time of the current frame by the preset amending duration based on the standard sending display time; updating the sending display state of the next frame according to the frame delay duration and the relation of upper and lower limits of the preset frame delay duration, wherein the delay duration of the current frame is the duration from the queue entering time, to the sending display cache queue, of the current frame to the sending display time. The live flow sending display control method and device solve the problem that the fluency and real time property are not compatible when people watch live video flow and achieve the most balanced state of the real time property and the fluency.

An electronic circuit arrangement is disclosed for converting an input voltage signal having a first voltage level into an output signal having a second voltage level. An input unit is provided for inputting the input voltage signal at the first voltage level, while an output unit is arranged for outputting the output signal at the output of the electronic circuit arrangement. A threshold value comparison unit serves for comparing the first voltage level of the input signal with a switch-on threshold value. The circuit arrangement furthermore contains an input impedance changeover unit for changing over an input impedance of the circuit arrangement from a low value to a high value after a predetermined delay duration after the first voltage level of the input voltage signal exceeded the switch-on threshold value.

A single-side synchronous bidirectional ranging method includes the steps: a mobile unit transmits a positioning request and records transmitting time, a base station returns a response and makes a delay after processing, the mobile unit receives the response and starts timing, a synchronous response is transmitted again if delay duration of the base station is equal to processing time, the mobile unit receives the synchronous response, calculating is performed according to timing duration of the mobile unit and first trip time of a data packet transmitted by the mobile unit to obtain signal propagation time, and ranging is then completed according to a product of electromagnetic wave velocity and the signal propagation time. The single-side synchronous bidirectional ranging method has the advantages that network burden can be relieved, and the influence of base station crystal oscillation deviations upon ranging results can be avoided.

A motion sensor light turns on a light once a motion sensor detects movement of a person. The light illuminates a monitoring area once the light is turned on. The motion sensor light initiates measurement of lighting duration of the light. After then, the motion sensor light initiates measurement of lights-out delay duration in a case where the movement of a person is no longer detected, and acquires a set value of the lights-out delay duration according to the lighting duration set in advance. The motion sensor light turns off the light in a case where a measured value of the lights-out delay duration exceeds the set value of the lights-out delay duration and a measured value of the lighting duration of the light exceeds a set value of the lighting duration.

A respiratory assistance device is disclosed. There is a patient interface for coupling to a patient respiratory passageway, and a selectively regulated therapeutic gas flow source in pneumatic communication with the patient over the patient interface. A ramping controller is connected to the therapeutic gas flow source and is receptive to inputs of a prescription pressure level, an initial pressure level, a total ramp duration, and a numeric value corresponding to a ramping duration. Therapeutic gas flow at an initial pressure level is regulated for a ramp delay duration reciprocal to the ramping duration relative to the total ramp duration. The ramping controller incrementally increases therapeutic gas flow to the prescription pressure level from a ramp start time to a ramp end time at a delivery pressure increase rate derived from the numeric value of the ramping duration and the total ramp duration.

One method of obtaining an initial adjusted mass flow controller valve start position comprises obtaining a mass flow controller delay period and setting a mass flow controller valve to an initial valve opening position that is less than an expected optimal valve opening position. An initial desired flow rate and initial operating conditions are input into a control system that is in communication with the valve, and the control system is initiated. The control system is adapted to adjust the valve opening position to achieve the initial desired flow rate, while taking into account flow rate and valve position feedback to the control system. During operation of the MFC and control system, the valve position and the flow rate are recorded in one embodiment and a flow rate that one of meets and exceeds a threshold is detected. An initial-flow time-period extending from the time of control system initiation to detection of the threshold being one of met and exceeded is determined and the mass flow controller delay period from the initial flow time period is subtracted from the initial-flow time-period to obtain an adjusted start time. The valve opening position at the adjusted start time is set as the initial adjusted mass flow controller valve start position.

The invention discloses a method for measuring time delay by synchronous signal time sweep. Pulse signals are equidistantly triggered at different speeds along a positive direction of a precise mobile platform to a spatial light modulator which exposes two frames different in sizes at the same center position to imaging on a substrate surface, the time delay from the outputting of synchronous signals to the image displaying of the spatial light modulator is calculated by measuring a positional deviation of the exposed frames, then the exposure can be compensated according to the time delay. The method for measuring time delay by synchronous signal time sweep can accurately expose the image to a designated position, absolute positioning accuracy of the exposed image is improved, and absolute positioning accuracy error of the exposed image caused by different exposure speeds is avoided simultaneously.

A Delayed Locked Loop Circuit of DLL comprises a buffer that receives a power-down signal and an inverted signal of a first clock signal; first and second delay lines an output device that outputs signals corresponding to the output signals of the first and second delay lines respectively; a replica delay unit, a phase comparator for comparing a phase difference between the output signal of the second buffer and the output signal of the replica delay unit; and a delay line controller for controlling delay times of the first delay line and the second delay line by corresponding to a comparison result of the phase comparator. The DLL circuit is configured such that the first and second buffers are disabled when the power-down mode entry notifying signal corresponding to a power-down mode is provided.

The invention provides a single-resistor current sampling method and an air conditioner, and aims at solving the technical problem that the sampling current obtained via single-resistor current sampling for a motor of the air conditioner is relatively low. The method comprises that in the process that triangular waves are used to modulate the motor, three phases of currents of the motor as well as the high-level duration time corresponding to each phase of current in PWM waves corresponding to the triangular waves are obtained, and the period of the PWM waves is the same with that of the triangular waves; according to the high-level duration time and the current delay duration time of an IGBT in a single-resistor sampling circuit corresponding to the motor, a first sampling point and a second sampling point are set; and single-resistor current sampling is carried out on the motor according to the first and second sampling points, and three phases of current values of the motor are determined.

An optical sea clutter suppression method based on time space chaos comprises the following steps of: selecting image intensities of the same positions of sea clutter optical images to form a sea clutter time sequence; selecting a column of image intensities along the wave motion direction to form a sea clutter space sequence; respectively verifying the chaos of sea clutter in a time domain and in a spatial domain, wherein the verifying method specifically comprises the step of respectively calculating time delay, association dimensions and maximum Lyapunov indexes of the data sequences; carrying out nerve network prediction of a training radial basis function respectively on the data sequences of the time domain and the spatial domain; carrying out linearity fitting by using two predicted values and a reality value, and obtaining a coupling coefficient; adopting a least square support vector machine-coupled map lattice algorithm to construct a prediction function and obtaining a predicted value; and the carrying out clutter cancellation on the predicted value and the reality value. According to the invention, the sea clutter is suppressed by a time domain and spatial domain combined prediction algorithm, and the inaccuracy in existing time domain chaos mechanism prediction is overcome.

The invention discloses a transfer-alignment time-delay estimation algorithm based on matching of speed and specific force. The method is realized by: carrying out coarse alignment of a sub inertial navigation system by using an aligned main inertial navigation system, then taking the speed difference and the specific force difference of the sub inertial navigation system relative to the main inertial navigation system as filtering observed quantities, expanding the time delay amount of main inertial navigation information into a filtering system state variable, combining an error model of the sub inertial navigation system, using Kalman filtering algorithm to estimate the time delay, and to estimate a platform error angle of the sub inertial navigation relative to the main inertial navigation. The method is applicable in the conditions that the main inertial navigation and the sub inertial navigation are both platform type navigation systems, and the transfer alignment based on the matching of the speed and the specific force has a shorter time delay.

The invention is applicable to the technical field of mobile terminals, and provides a method and a device for sending communication information. The method includes acquiring a sending mode duration of the communication information when the communication information in a mobile terminal is in a sending mode; and enabling the mobile terminal to send the communication information when the sending mode duration of the communication information is equal to or longer than a preset delay duration. The communication information can be one or a plurality of types of information including short messages, multimedia messages and mails. The method and the device in an embodiment of the invention have the advantages that when the sending mode duration of the communication information is equal to or longer than the preset delay duration, the mobile terminal sends the communication information, so that a user can cancel sending of the short messages within the preset delay duration, problems that a contact is mistakenly selected and short message sending operation cannot be canceled when the short message is sent are solved, potential safety hazards are prevented when the user sends the short messages, and the safety is improved when the user sends the short messages.

The invention relates to a monitoring method and device, electronic equipment and a storage medium, the monitoring method is applied to the electronic equipment, the electronic equipment comprises a camera and a millimeter wave detection module, and a monitoring white list is preset in the electronic equipment. The monitoring method comprises: when a camera is in a standby state, using a millimeter wave detection module to detect a dynamic target in a shooting area of the camera; if the dynamic target appears in the shooting area, starting a camera, and enabling the camera to enter a monitoring state; if the dynamic target is a figure, obtaining an image of the figure, and determining identity information of the figure according to the image of the figure and the monitoring white list; and determining the working state of the camera according to the identity information of the person, including: if the identity information of the person exists in the monitoring white list, controlling the camera to stand by after a preset delay duration. According to the method, the working state of the camera is controlled according to the person appearing in the monitoring area, so that the energy consumption of the electronic equipment and the storage space required for monitoring can be reduced.

Provided is an apparatus and method for transmitting and receiving a streaming service. An inter-arrival jitter may correspond to a delay variation in arrival time between TCP packets arriving at an apparatus for receiving the streaming service. The apparatus for receiving the streaming service may determine a de-jitter buffering time to absorb a network jitter before TS packets in a TCP packet is input to a T-STD buffer model. Based on the de-jitter buffering time, an initial playout delay lime at the apparatus for receiving the streaming service may be determined.

The invention discloses a delay task performance method and device and relates to the technical field of a computer. One embodiment of the method comprises the steps of extracting all tasks in a window from the special window in a queue according to a preset time period with duration of T, wherein the window of which tasks are extracted is determined through the time of extracting the tasks, when the tasks are added, the window for adding the tasks in the queue is determined according to the current time of adding the tasks, thereby adding the tasks to the window, the window for adding the tasks and the determined window of which tasks are extracted in the time period after preset delay duration KT are the same window, and the K is a positive integer; and performing the extracted tasks. According to the embodiment of the invention, distributed delay processing can be supported, and when the performance of the plurality of tasks is delayed, excessive threads do not need to be started, so the system stability is improved.

This invention provides an optical device comprising a large group of non-uniform resonators operating cumulatively as a ‘super-ring’ to provide a controllable group delay with large bandwidth. The super-ring tuning is performed by a single control. The device may include two super-rings, each includes a large number of resonators with a resonant frequencies centered around ω1 and ω2 respectively. The invention provides multiple ways to improve the delay duration, bandwidth and the tuning speed, and overcomes the issue of non-uniformity of resonance frequency for devices incorporating multiple optical resonators.

A high-resolution digital pulse width modulator having a digital pulse width modulator unit for receiving a clock signal and for receiving the first bit of a digital control signal to generate a pulse width of the clock A pulse width modulated first pulse width modulated intermediate signal of an integer multiple of the period also has a programmable signal delay path for use based on the second bit of the digital control signal by delaying the first intermediate signal by a programmable delay time for outputting at least one pulse width modulated intermediate signal, the signal delay time being synchronized with the clock signal, and having a logic circuit for The intermediate signals are logically combined and output to form a pulse width modulated signal.

The invention discloses a method for channelizing network access of a terminal. The method includes: when a current domain is congested, a mobility management entity of the current domain sends a reselection indication for indicating that the terminal is reselected to another domain; and the terminal performs cell resection to the another domain according to the reselection indication. The invention further discloses another method for channelizing network access of the terminal and two systems for channelizing network access of the terminal, and the two systems are applied to the two methods, so that the terminal with the capability of being accessed to multi-networks can attempt another access mode when knowing that the current access mode is unavailable. Therefore, the terminal is capable of selecting to be accessed to the current domain without congestion so that access of the terminal is channelized. Besides, by the methods and the systems, relevant access delay duration is defined for CS (circuit switching) domain congestion, and the CS domain congestion is known when the terminal performs combined attachment or updates a combined position, so that the terminal is prevented from repeatedly attempting CS domain registration within a certain period of time, and CS network load is reduced.

The embodiment of the application discloses a data transmission optimization method and device and a computer storage medium. The method is applied to a mobile terminal. The method comprises the stepsof: determining types of current service data; when the determined types include a target type, acquiring delay duration corresponding to the target type; and if first transmission delay duration corresponding to the target type of service data is greater than the delay duration, abandoning the target type of service data. Problems of game blockage, a low WeChat internet access speed and the like, which are brought in by a case that all the service data occupies resources to cause blockage of a data transmission channel, can be avoided, so that transmission delay of the data from the mobile terminal to a network is reduced, real-time performance of data transmission is improved and meanwhile, use performance of the mobile terminal is also improved.

The invention discloses an automatic address identification handshaking method of a share type bus in a master-slave communication mode. In the handshaking method, response data packets can be sequentially sent after each measuring control terminal receives a super command sent by a main control module by means of corresponding delayed duration determined according to an obtained modulus and the maximum delivery number of the measuring control terminals, which is required by a measuring control terminal delivery address for a shared bus, therefore a majority of measuring control terminals are guaranteed to normally report addresses to the main control module; and moreover, the probability of bus confliction is further reduced by adopting intercepting index avoidance algorithm delay and a bus monitoring method. When field installation is carried out on equipment adopting the share type bus in the master-slave communication mode, the method ensures that the operation steps of installation personnel are simplified, working efficiency is improved and address setting equipment is simultaneously saved.

Embodiments of the invention relate to the field of electronics and disclose an alarm clock control method and a mobile terminal. The method comprises: in a ringing process of an alarm clock in the mobile terminal, detecting a sliding operation parameter of an operation icon displayed for the mobile terminal; determining delay duration of the alarm clock according to the sliding operation parameter, wherein different sliding operation parameters correspond to different delay durations; and finally delaying the ringing time of the alarm clock for the determined delay duration. Through the embodiments of the invention, a user can slide the operation icon to determine the delay of the ringing time of the alarm clock in the ringing process of the alarm clock, so that the delay duration of the alarm clock can be flexibly adjusted according to user demands, the flexibility of controlling the delay duration of the alarm clock can be improved, the user experience can be improved, and the interestingness of operation can be enhanced.