14 results about "Phase state" patented technology

A method for measuring a time-of-flight interval in a depth sensing system includes generating a coarse time count using a global clock signal shared across a plurality of pixels and external to the sensor array, wherein the coarse time count provides the most significant bits of the time-of-flight interval free of inter-pixel process variation; generating an intermediate time count within a pixel using a local ring oscillator based on completed oscillation cycles during a measurement interval; generating a fine time residual within the pixel based on at least one phase state of the ring oscillator, wherein the fine time residual provides the least significant bits; and deriving the time-of-flight interval from a combination of the coarse time count, the intermediate time count, and the fine time residual.

This invention discloses a highly interactive SIP honeypot system based on phased interactive control, comprising: a message receiving module for receiving external SIP requests; a SIP interactive control module supporting multiple interaction modes and generating corresponding responses according to the current configuration mode; a session state machine module for maintaining the SIP session protocol state; a phase switching control module for maintaining phase state variables and dynamically selecting the interaction mode according to preset trigger conditions; and a recording and statistics module for recording request behavior characteristics, interaction logs, and switching logs. This invention achieves runtime schedulable management of interactive capabilities, enabling low-resource-consumption recording of scanning behavior and deep trapping of advanced attacks and collection of complete attack chain data, providing reliable data support for the detection of encrypted malicious traffic.

The application discloses a phase shifter test and control word optimization method based on automatic test, which comprises the following steps: obtaining a control word table according to the corresponding normalized amplitude and phase information of the I / Q control word full space combination of a to-be-tested phase shifter; using an automatic test device to scan and test the control word table state by state to obtain the amplitude and phase information of the gain; taking the test result of the reference state control word as a benchmark to calculate the relative phase of each scanning state in a target frequency band, and performing phase winding processing to establish a relative phase data table; according to the amplitude and relative phase data of each scanning state in the target working frequency band, sequentially performing in-band gain flatness screening and center frequency point gain consistency screening to construct a candidate optimization set, searching for the optimized control word corresponding to each ideal target phase, and forming an optimized control word table corresponding to each phase state of the phase shifter. The application adopts a brand-new design strategy and efficiently and accurately realizes the automatic calibration and optimization of the multi-state control word of the phase shifter.

Logic verification of superconducting electronic circuits is implemented as follows. The superconducting electronic circuit is supposed to implement a desired logic function. A description of the circuit includes a plurality of nodes of the circuit, including one or more input nodes and one or more output nodes. Operation of the superconducting electronic circuit is simulated, including probing signal values at the nodes. These signal values are converted to state transitions of the quantum phase at the nodes (phase state transitions). The phase state transitions are related to the logic values represented by the circuit. The phase state transitions are compared with the desired phase state transitions for the desired logic function. Based on this comparison, it is determined whether the superconducting electronic circuit implements the desired logic function.

The embodiment of the invention provides a synchronization control method, system, device and equipment. The method comprises the following steps: firstly, acquiring phase state information and a frequency measurement value of a target nuclear system; determining synchronization deviation information of the target nuclear system according to the phase state information and the frequency measurement value; then, synchronous control information is generated according to the synchronous deviation information; and finally, sending the synchronization control information to the target core system, so that the target core system eliminates the synchronization deviation according to the synchronization control information. Through the method, efficient and stable synchronization control can be kept in a complex environment, and the universality, reliability and synchronization precision of the system are remarkably improved.

Provided herein are Ising machines having a resonant input mesh driven by a pump signal, a resonant output mesh coupled to the input mesh through a nonlinear component to form a parametric frequency divider (PFD), and the nonlinear component configured to passively activate, responsive to the pump signal exceeding a threshold power, a parametric oscillation between the input and output meshes having an oscillation frequency equal to half an angular input frequency of the pump signal, wherein an output signal of the PFD can be switched between an in-phase state and an out-of-phase state.

The application belongs to the technical field of oil and gas field development, and relates to a method for simulating phase state change of a plugging agent under high temperature and high pressure conditions, which comprises the following steps: providing a simulation experiment system; preparing an experimental sample; preparing the simulation experiment system; loading the experimental sample in the simulation experiment system; setting experimental parameters of the simulation experiment system; and collecting experimental data of the simulation experiment system. The method for simulating phase state change of the plugging agent under high temperature and high pressure conditions can realize real-time dynamic observation of phase state change of the plugging agent, and is helpful for in-depth understanding of physical and chemical change processes of the plugging agent under extreme conditions.

The invention discloses a phased-array antenna vector-free instrument calibration method based on four-phase amplitude measurement. The method comprises the following steps: initializing and selecting a phase reference channel; a phase shifter of a channel to be calibrated is controlled to be switched according to four preset discrete phase states, amplitude measurement values are collected through a receiving unit only having amplitude detection capability, and a four-phase amplitude measurement sequence is obtained; a mathematical model is constructed based on the phase state sequence and the amplitude measurement sequence, and the initial relative phase deviation between the to-be-calibrated channel and the reference channel is directly solved; a phase compensation value is configured according to the deviation, and all channels are traversed to complete calibration; and finally, carrying out performance verification, and starting an iterative fine calibration process when the tolerance requirement is not met. According to the method, high-precision phase calibration can be realized only by using amplitude detection equipment, the system cost and complexity are effectively reduced, and the calibration robustness and practicability are remarkably improved by compensating non-ideal factors and dynamic drift of the system.

This invention discloses an on-chip optical phased array device based on phase change materials and its control method. The device includes an input waveguide, a beam splitter network, arrayed waveguide arms, a phase modulation unit, and an output grating radiation structure. The output grating radiation structure integrates a phase change material. Changes in the phase state, crystallinity, or spatial distribution of the phase change material are used to alter the equivalent refractive index, propagation constant, radiative coupling strength, or phase matching conditions of the output grating region, thereby achieving second-dimensional output angle adjustment at a fixed operating wavelength. This invention not only eliminates the dependence on tunable lasers but also possesses advantages such as simplified structure, ease of integration, non-volatile state preservation, zero static power consumption, and greater suitability for engineering implementation. It provides a new implementation path for on-chip two-dimensional optical phased arrays and has good application value and promising prospects for widespread application.

A superconducting circuit and a quantum computer capable of implementing four-body interaction while reducing an amount of hardware are provided. A superconducting circuit (1) includes four superconducting qubit circuits (10), a coupling circuit (20) inductively coupled to the four superconducting qubit circuits (10). Each of the superconducting qubit circuits (10) indicates a qubit by being in a first phase state or a second phase state, when the number of the superconducting qubit circuits (10) in the first phase state among the four superconducting qubit circuits (10) is an even number, an interaction term of Hamiltonian of the superconducting circuit (1) takes a first value, and when the number of the superconducting qubit circuits (10) in the first phase state among the four superconducting qubit circuits (10) is an odd number, the interaction term takes a second value.

The invention discloses a high-precision rapid synchronization control method and device based on multi-stage variable speed tracking, and the method comprises the steps: dividing a pre-synchronization process of a to-be-synchronized system and an external power grid into a plurality of cooperative control stages which are sequentially executed; in the full-speed tracking stage, the time required by acceleration and deceleration convergence of the system to be connected to the grid to be synchronized is calculated and compared, and the frequency deviation direction with the optimal time is decided. When the phase difference is smaller than a first threshold value, entering a prediction proportion convergence stage, and performing smooth adjustment by adopting frequency deviation proportional to the phase difference; and judging whether a second threshold value is reached or not according to the phase state prediction, entering a multivariable synchronous verification stage, and sending out a closing instruction only when the voltage difference, the frequency difference and the phase difference simultaneously meet respective allowance thresholds and are kept stable. According to the method, the optimal control strategy is adopted in stages, so that the grid-connected time is effectively shortened, overshoot and oscillation are inhibited, and the rapidity and accuracy of the grid-connected process and the system reliability are remarkably improved.

The present application relates to the technical field of circuit breaker detection, and particularly relates to a phase state detection and display method and device for a double-contact circuit breaker. The present application first acquires the number of mechanical actions, temperature data and current waveform at the time of opening and closing; further acquires the mechanical wear coefficient according to the total number of mechanical actions and the frequency of recent mechanical actions; further analyzes the current waveform at the time of the latest opening and closing to acquire the current abnormality degree of wave crest performance and current fluctuation; further analyzes the abnormal performance of the temperature rise rate and the steady-state temperature to acquire the current temperature abnormality degree; finally, the current mechanical wear coefficient, wave crest performance abnormality degree, current fluctuation abnormality degree and temperature abnormality degree are combined to detect the state of the double-contact circuit breaker and display the state; the gradual degradation of the double-contact circuit breaker is comprehensively predicted from the aspects of mechanical wear, abnormal performance of current waveform and abnormal performance of temperature, so that potential abnormal fault problems of the double-contact circuit breaker can be identified in time.

This application belongs to the field of beamforming technology, and relates to a method, apparatus, device, and medium for beamforming a polarization-time modulation array. The method includes: obtaining a polarization-time modulation array model and acquiring the weighting coefficients of each harmonic; based on polarization null space theory, transforming a quadratic constrained quadratic programming optimization problem into an equivalent second-order cone programming problem and solving it to obtain the optimal fundamental excitation weights; obtaining the constraint relationship between the optimal fundamental excitation weights and the phase state conduction duration, and obtaining the range of values ​​for the phase state conduction duration; performing synchronous optimization within the range of values ​​for the phase state conduction duration to obtain the optimal conduction duration and the optimal phase selection sequence, thereby determining the remaining conduction time; and performing modulation based on the optimal conduction duration and the remaining conduction time to form the beam of the polarization-time modulation array. This application can significantly improve the efficiency and numerical stability of beamforming.