163 results about "Phase selection" patented technology

A circuit includes a phase selector to generate an injection clock signal having an injection phase based on a phase of a digitally controlled oscillator clock signal generated within a phase-locking feedback loop. An injection-locked oscillator (ILO), coupled to an output of the phase selector, generates an ILO clock signal that is convertible to provide a feedback clock signal of the circuit. Logic, coupled between an output of the ILO and the phase selector, to, at each predetermined number of cycles of the DCO clock signal, cause the phase selector to output a phase shift in the injection clock signal that causes the ILO clock signal to comprise a rotated phase, relative to the injection phase, and that prevents a glitch in the injection clock signal.

The invention provides a resonant grounding system high-resistance grounding fault phase selection method based on frequency domain energy change, and belongs to the field of medium-voltage power distribution network fault detection. The invention provides a phase selection method based on frequency domain energy change in order to solve the problems that high-resistance grounding fault phase selection is difficult and power grid parameters are unbalanced in a resonant grounding system. The method comprises the following steps: firstly, acquiring a three-phase voltage signal of a fault line, and filtering the signal through a 4-order Butterworth low-pass filter to eliminate high-frequency noise interference; analyzing frequency domain energy change of the three-phase voltage before and after the fault by using fast Fourier transform, and extracting fault features; and finally, constructing a novel phase selection criterion based on the positive and negative values of the three-phase voltage frequency domain energy change, the frequency domain energy change vector and the projection thereof, and realizing fault phase selection. According to the method, the fault phase and the non-fault phase can be effectively distinguished, the method is particularly suitable for accurate phase selection of the high-resistance grounding fault, and the reliability and the safety of medium-voltage power distribution network fault diagnosis can be remarkably improved.

The invention discloses a circuit breaker phase selection opening and closing device and method, and relates to the field of phase selection control. According to the scheme, a phase selection control system, an opening device and a closing device are additionally arranged on a high-voltage transmission line of an original railway vehicle, and the phase selection control system adopts a phase selection opening and closing technology to control closing and opening of the opening device and the closing device; in addition, when the phase selection control system breaks down, the closing device is in a closed state and transmits an opening and closing instruction to a coil of the vacuum circuit breaker, so that the vacuum circuit breaker carries out corresponding opening and closing according to the opening and closing instruction. According to the scheme, the problems of closing inrush current and opening overvoltage of the vacuum circuit breaker are effectively avoided through a phase selection opening and closing technology when the phase selection control system does not have a fault, and the vacuum circuit breaker can be enabled to perform corresponding opening and closing according to an existing mode, namely according to an opening and closing instruction, when the phase selection control system has a fault; and the reliability of the scheme is greatly improved.

The invention discloses a phase selection switch which has multiple phases, each phase comprises a vacuum arc-extinguishing chamber, a magnetic control mechanism and a transmission mechanism, the vacuum arc-extinguishing chamber comprises a moving contact and a static contact, the magnetic control mechanism comprises a moving iron core and a static iron core, and the transmission mechanism comprises a connecting rod assembly, an opening spring and an overtravel spring; the first end of the connecting rod assembly is rigidly connected with the moving contact, the second end of the connecting rod assembly is connected with the moving iron core in a follow-up mode, the second end of the connecting rod assembly penetrates through the static iron core and the moving iron core, and the opening spring and the overtravel spring are both arranged in the middle section of the connecting rod assembly. The beneficial effects of the invention are that the connecting rod assembly passes through the magnetic control mechanism, so that the over-travel distance is formed between the connecting rod assembly and the magnetic control mechanism, the over-travel value of the contact over-travel spring after leaving a factory can be observed and measured, and the wear condition of the vacuum arc-extinguishing chamber contact in the phase selection switch can be conveniently found in time in the later stage.

The invention relates to the technical field of industrial big data, and discloses a phase selection circuit breaker intelligent control method and system based on big data, and the method comprises the steps: collecting the original operation data of each node, extracting the load peak valley, voltage fluctuation and current instability characteristics, completing the state evaluation, and generating an initial operation data set; carrying out standardization, denoising and seasonal leveling treatment to obtain a cleaned load feature set; fusing the frequency deviation and the power factor change, executing trend operation, and forming a load trend prediction data set; in combination with real-time voltage fluctuation and a temperature coefficient, load response characteristics are analyzed, and a preliminary control opportunity adjustment scheme is determined; the current instability index and the harmonic interference intensity are corrected based on the scheme, and an operation parameter combination is formed; finally, according to the parameter combination, a control instruction is generated, time sequence scheduling is completed, and a control execution plan is output. The method can solve the problem of response lag of the circuit breaker under complex working conditions.

The invention relates to the technical field of electric power, in particular to a vacuum circuit breaker and a phase selection closing control method, and the vacuum circuit breaker comprises a hybrid electromagnetic mechanism and a vacuum arc-extinguishing chamber; the hybrid electromagnetic mechanism comprises a permanent magnet closing assembly and an electromagnetic repulsion opening assembly, the permanent magnet closing assembly comprises double coils and a T-shaped movable iron core which are arranged in parallel, and a discharge loop is formed to drive a movable contact of the vacuum arc-extinguishing chamber to complete a closing action and maintain a closing state; the electromagnetic repulsion opening assembly comprises a static coil panel and a moving coil panel which are coaxially and oppositely arranged to form a reverse current repulsion loop so as to drive a moving contact of the vacuum arc-extinguishing chamber to complete an opening action and maintain an opening state, and the moving coil panel is connected with a T-shaped moving iron core of the permanent magnet closing assembly through an insulating guide rod; the vacuum arc-extinguishing chamber comprises a driving connecting rod, a moving contact and a static contact, one end of the driving connecting rod is connected with the moving contact, and the other end of the driving connecting rod is connected with the insulating guide rod. Therefore, the opening and closing speed of the vacuum circuit breaker is improved.

The invention discloses a decimal multi-modulus frequency divider circuit based on space-time averaging and phase interpolation technologies. The decimal multi-modulus frequency divider circuit comprises a third-order noise shaping modulation module, a dynamic element matching and phase selection module, a phase switching frequency divider module and a pipelined phase interpolation module. The third-order noise shaping modulation module is used for performing time averaging on the input frequency dividing ratio to generate an instantaneous frequency dividing ratio; the dynamic element matching and phase selection module is used for spatially averaging the instantaneous frequency dividing ratio and generating a frequency divider control word and a phase interpolator control word; the phase switching frequency divider module is used for generating a clock signal corresponding to a frequency dividing ratio according to the frequency divider control word; and the pipelined phase interpolation module is used for performing phase interpolation according to the clock signal to generate a final clock signal with an accurate phase. According to the embodiment of the invention, the mutual cooperation of the modules is utilized, the fusion of the space-time averaging technology and the phase interpolation technology is realized, and the limitation of the space-time averaging technology is improved.

The invention discloses a dual-power-supply low-voltage apparatus test system based on WTD-VMD-ZCD phase selection control closing and a use method of the dual-power-supply low-voltage apparatus test system. The system comprises a test voltage source loop, a capacitor charging and discharging loop, a test current source loop and a main control module, a voltage signal generated by a test voltage source is denoised and reconstructed by using a WTD algorithm, then VMD parameters are optimized by using a BKA algorithm, VMD decomposition is carried out on the voltage signal after WTD denoising, correlation calculation is carried out on obtained IMF components, and the correlation of the IMF components is calculated. The IMF component with the correlation higher than a set threshold value is selected as a denoised test voltage source signal, then zero-cross detection is carried out by using a ZCD algorithm, logic control of time sequence connection of a test voltage source and a test current source is carried out through phase selection opening and closing, and then the test of the low-voltage electric appliance is realized. The requirements of the low-voltage electrical apparatus on test power supply electric parameters and test quality are met, accurate control of the test is realized, the cost is low, and the system is simple and easy to construct and operate.

According to the multi-phase clock self-calibration circuit provided by the invention, detection quantization and calibration of phase deviation are realized by utilizing the phase detection circuit, the digital time converter, the phase selection circuit, the phase detection circuit and the digital control circuit, and the phase detection circuit is high in detection precision; according to the invention, the phase detection circuit is simple in structure and low in cost, the sub-picosecond phase calibration can be realized by adopting the relative phase deviation quantization technology, and the phase detection circuit is insensitive to the change of process, temperature and voltage deviation by adopting the differential technology, so that the quantization error caused by the phase detection circuit is remarkably reduced, and the high-precision calibration of the multi-phase clock signal is further realized.

According to at least one aspect of the present disclosure a power distribution unit (PDU) is provided, the PDU comprising: a phase selection interface having: a first source contact configured to couple to a configuration system, a first return contact configured to couple to the configuration system, a second source contact configured to couple to the configuration system, and a second return contact configured to couple to the configuration system; a first outlet having: a first supply opening coupled to the first source contact, and a first return opening coupled to the first return contact; and a second outlet having: a second supply opening coupled to the second source contact, and a second return opening coupled to the second return contact.

The invention discloses a phase selection method based on a novel zero-sequence directional element and a novel zero-sequence current dual-polarization criterion, and the method comprises the steps: calculating a zero-sequence voltage and a zero-sequence current according to a three-phase voltage vector and a three-phase current vector at a protection installation point; calculating a zero-sequence compensation voltage, a grounding compensation voltage and an interphase compensation voltage according to the zero-sequence voltage, the zero-sequence current and a preset high-resistance distance protection constant value; determining the fault direction of the protection mounting point according to the zero-sequence voltage, the zero-sequence current and a preset novel zero-sequence direction element criterion; when the fault direction is a positive direction fault, determining a fault phase according to a three-phase current vector and a preset sequence current absolute value phase selection element criterion; and determining a phase selection result according to the fault phase, the zero-sequence compensation voltage, the grounding compensation voltage, the inter-phase compensation voltage, the grounding fault criterion based on the sound phase compensation voltage amplitude, the zero-sequence current phase selection criterion of phase compensation voltage polarization and the zero-sequence current phase selection criterion of inter-phase compensation voltage polarization.

The invention provides a double-end weak feedback AC system model identification phase selection method and system based on harmonic injection, and the method comprises the steps: collecting the amplitude information of negative sequence current and positive sequence voltage at a protection installation part of a new energy side, and achieving the switching of harmonic injection modes through employing the amplitude information as a starting criterion; on the basis of harmonic injection, an equivalent model of a fault phase and a non-fault phase of the double-end weak feed alternating current system under specific harmonic waves is constructed, and a criterion is constructed by using the difference of the model so as to judge the fault phase; and after a fault occurs, judging harmonic current and voltage amplitude signals of each phase collected at the protection installation position of the new energy side of the line by utilizing a protection criterion, and judging whether the phase is a fault phase or not.

The invention discloses a control strategy fusion verification method for a circuit breaker phase selection device, and the method comprises the steps: verifying the performance and control strategy of the circuit breaker phase selection device, measuring the offset # imgabs0 # of an input signal of a sensor, carrying out the preset working condition simulation and characteristic parameter setting of the phase selection device, inputting a switching-off / switching-on command to the phase selection device, and carrying out the verification of the performance and control strategy of the circuit breaker phase selection device. The phase selection output signal of the phase selection device is monitored to reversely deduce the delay time # imgabs1 # calculated by the phase selection output signal, and the offset # imgabs4 # between the actual delay time # imgabs2 # and the standard delay time # imgabs3 # is obtained; based on no-load verification and electrified verification, fusion verification of linkage of a circuit breaker phase selection device and a circuit breaker is carried out, an output signal of the phase selection device and action data of the circuit breaker are collected, and the offset of an actual closing / breaking phase and a target closing / breaking phase is obtained; and evaluating the performance, the strategy and the phase selection effect of the phase selection device based on the offset # imgabs5 # and the offset # imgabs6 # of the input signal of the sensor and the offset of the actual closing / opening phase.

Aspects of the subject disclosure may include, for example, implementing a first stage including a first number of phase rotators in parallel generating respective clock phases offset by a fixed amount; a second stage including a second number of phase rotators receiving outputs from the first number of phase rotators of the first stage, the second stage outputting a first weighted sum of respective clock phases generated by the second number of phase rotators. The subject disclosure further includes the second number of phase rotators being less than the first number of phase rotators, and a total number of bits dedicated to phase selection being split across the first stage and the second stage. Other embodiments are disclosed.

An active transmission type intelligent metasurface and a matching circuit applied to the intelligent metasurface, the circuit comprising: a receiving antenna for receiving an electromagnetic wave signal; a power amplification unit for amplifying the electromagnetic wave signal received by the receiving antenna; a phase coupling unit for modulating the amplified electromagnetic wave signal into electromagnetic wave signals with various phase differences; a phase selection unit for selecting an electromagnetic wave signal with a required phase difference from the electromagnetic wave signals with various phase differences; and a radiation antenna for radiating the electromagnetic wave signal with the corresponding phase difference; the intelligent metasurface comprises a plurality of active transmission intelligent metasurface units arranged periodically to form an N*M array, and each active transmission intelligent metasurface unit in the array comprises an active transmission circuit. The present application realizes the active amplification function which the existing transmission RIS structure does not have and has the 2-bit phase control function, and the present application has low design complexity, low deployment cost and good system performance.

The present application relates to the technical field of electrified railway control, and discloses a phase control closing method and a heavy haul locomotive circuit breaker, the method comprising: step one, establishing equivalent mathematical models for the heavy haul locomotive, traction substation, AT substation and traction network; step two, establishing a vehicle-network-station simulation model based on a MATALB / Simulink simulation platform; step three, obtaining the influence of different line loads on phase selection closing according to the vehicle-network-station simulation model; and step four, determining a phase control closing scheme and conducting test verification. The phase control closing and opening method of the heavy haul locomotive circuit breaker with the above structure can establish equivalent mathematical models for the heavy haul locomotive, traction substation, AT substation and traction network, and then establish a vehicle-network-station simulation model, analyze the influence of different line loads on phase selection closing, and determine a phase selection closing scheme according to the breakdown characteristics of the circuit breaker and the analysis results. The phase selection closing scheme determined through test verification can achieve the purpose of reducing the overvoltage of the closing system.

The application discloses a transformer on-load tap changer based on a phase selection technology and a gear switching method, which comprises a main circuit and a transition circuit connected with transformer winding taps, the main circuit comprises gear selection circuit and on-off circuit connected in sequence, the gear selection circuit comprises at least four relays for switching the working gear of the transformer; the on-off circuit is composed of vacuum circuit breaker VCB2, diode D2 and vacuum circuit breaker VCB4 connected in series; the transition circuit is formed by transition resistor R, vacuum circuit breaker VCB1 and diode D1 connected in parallel, and vacuum circuit breaker VCB3 connected in sequence, the transition circuit cooperates with the main circuit to realize the arcless switching of the transformer gear; all the vacuum circuit breakers are controlled to act by permanent magnet operating mechanisms, and the permanent magnet operating mechanisms are used to drive the vacuum circuit breakers to realize the fast on-off according to the voltage phase signal. The application controls the action of the vacuum circuit breaker by the phase selection technology and the conduction and cutoff characteristics of the diode, reduces the generation of arc, and prolongs the electric life.

The invention discloses a large-view-field polarization detection super lens based on an instrument matrix, and relates to the technical field of micro-nano optics and polarization detection. Comprising four sub-lens structures. A secondary phase distribution and global optimal phase screening strategy is adopted in the structural design, and a calibration method based on an instrument matrix is provided. According to the structure, different polarization components are spatially separated and focused, and polarization response of a system at different incident angles is accurately calibrated by using an instrument matrix, so that polarization detection in a large view field range of 120 degrees is realized. The invention has the characteristics of super compactness and high precision, and can be used for designing polarization detection, polarization imaging and the like in a large view field range.

The application discloses a phase selector switch operating mechanism, which comprises an operating panel, an isolation operating shaft, a grounding operating shaft, interlocking part one and interlocking part two, the isolation operating shaft and the grounding operating shaft are arranged on the operating panel, the interlocking part one is installed on the isolation operating shaft, the interlocking part two is installed on the grounding operating shaft, and the interlocking part one and the interlocking part two are matched through a limiting structure. The application has the beneficial effects that: through the interlocking part one, the interlocking part two and the limiting structure, when the isolation switch is closed, the interlocking part one matched with the limiting structure can block and lock the grounding operating shaft; when the grounding switch is closed, the interlocking part two matched with the limiting structure can block and lock the isolation operating shaft; and thus, the double locking function is realized, and the safety of the switch equipment is further improved.

The invention discloses a reflection-type amplitude-phase continuously adjustable chip, belonging to the field of chip technology, comprising a reflection-type phase-continuously adjustable phase shifter and an attenuator connected thereto with continuously adjustable attenuation, wherein the phase shifter comprises a power supply circuit, a phase shift matching circuit and a radio frequency tube, two power supply interfaces are respectively connected to the two ends of the interstage DC capacitor on the radio frequency main circuit through respective filter capacitors and effusion inductors, and then the gates of the two radio frequency tubes are directly controlled through different matching inductors, the drain and source of the radio frequency tube are short-circuited and connected, and are directly grounded through the matching inductors; the chip utilizes the characteristic that the parasitic Miller capacitance of the radio frequency tube changes continuously with the gate voltage to realize continuous impedance change, and then realizes 360-degree phase change by changing the control voltage, designs a continuously adjustable phase shifter, selects a suitable phase according to the voltage change, and realizes free phase selection; at the same time, an attenuation circuit is introduced to realize continuous amplitude adjustment, and then realize amplitude balance control.

The present application discloses a jitter circuit, characterized in that it comprises: N phase delay line units, used to output N delayed signals respectively according to a trigger input signal, and the N delayed signals are delayed by 1 to N delay times Td respectively; N phase selection circuits, used to receive the N delayed signals, and select one of the N delayed signals as a trigger output signal according to a phase selection control signal; and an M-bit counter circuit, used to increase a count by one after receiving the trigger output signal each time, and output the phase selection control signal to the N phase selection circuit according to the count, wherein the count reaches 2. M After that, the count is reset and N is 2. M , M is a positive integer greater than one.

The utility model provides a data clock recovery circuit and a phase selection interpolation circuit thereof, and an electronic device, the phase selection interpolation circuit comprises two phase selection circuits and a phase interpolation circuit, each phase selection circuit comprises N first tail current tubes, N phase selection units, a current source circuit and a comparison circuit, a load selection current source circuit and a comparison circuit of the phase selection circuit compare a common-mode voltage value of two paths of output clock signals output by a phase selection unit with a reference voltage, and perform negative feedback regulation on a first bias voltage of a tail current tube, so that the common-mode voltage value is equal to the reference voltage, and the stability of a common-mode point of the output signal is ensured; therefore, the tail current of the tail current tube is equal to the current of the current source circuit, the output waveform is changed into a linear triangular wave, linear interpolation is realized, the output phase precision is ensured, and the phase jitter of a clock signal is reduced.

This reception circuit includes a clock generation circuit that generates a reception clock signal, and a plurality of data reception circuits that respectively receive separate data signals on the basis of the reception clock signal. The clock generation circuit includes: a variable delay circuit for generating a delay reference clock signal by delaying, by a delay amount corresponding to a delay control signal, a reference clock signal received by a clock reception circuit; a delay synchronization circuit for sequentially delaying the delay reference clock signal to generate a plurality of internal clock signals; and a selector circuit for selecting one of the plurality of internal clock signals on the basis of a phase selection signal and outputting the selected one as a reception clock signal. Thus, it is possible to generate a clock signal capable of receiving a plurality of data signals at an appropriate timing while suppressing an increase in power consumption.

The invention relates to a method for testing a high-voltage direct-current transmission phase selection closing device through a large resistor, and belongs to the technical field of power system automation. The method comprises the steps that the relay protection tester calculates the phase angle difference A1 between the phase selection reference voltage and the collected current k2, the phase selection and gate device calculates the phase angle difference A2 between the phase selection reference voltage and the collected current k2, the relay protection tester judges whether the A1 and the A2 are consistent or not to confirm the accuracy of the phase angle opened by the phase selection and gate device, and if yes, the relay protection tester determines the accuracy of the phase angle opened by the phase selection and gate device. If yes, the phase angle opened by the phase selection closing device is accurate and meets the requirement; and if not, a deviation exists between the phase angle opened by the phase selection closing device and the actual closing phase, and the closing phase angle opened by the phase selection closing device needs to be readjusted. According to the method, the precision of the phase selection closing verification mode is improved, and the test accuracy of the phase selection closing device is improved.

A phase selector / phase interpolator circuit which includes two phase selector circuits and one phase interpolator circuit, each phase selector circuit includes N first tail current tubes, N phase selector units, a current source circuit and a comparison circuit. The current source circuit is selected as a load of the phase selector circuit. The comparison circuit compares a common-mode voltage of the two output clock signals output from the phase selector unit with a reference voltage, and performs negative feedback regulation on the first bias voltage of the first tail current tubes, so that the common-mode voltage can be controlled to be equal to the reference voltage, a tail current of the first tail current tubes is controlled to be equal to the current of the current source circuit, and the output waveform becomes a linear triangular wave.

The invention discloses a phase rotator in a spread spectrum clock generator and the spread spectrum clock generator, relates to the technical field of clock spread spectrum, and aims to solve the problems that the phase rotator of the spread spectrum clock generator in the prior art is not suitable for high-frequency signals and is high in power consumption. The phase rotator comprises a coarse adjustment loop and a fine adjustment loop. The coarse adjustment loop is connected with the fine adjustment loop; the coarse tuning loop is used for performing first phase segmentation on an input high-frequency differential clock signal to obtain multiple paths of modulation phase signals, and selecting a target single-path modulation phase signal from the multiple paths of modulation phase signals based on a phase selection signal; and the fine adjustment loop is used for performing second phase segmentation on the target single-path modulation phase signal to obtain multiple paths of high-resolution phase signals, and selecting the target single-path high-resolution phase signal from the multiple paths of high-resolution phase signals based on the phase selection signal. The invention is used for realizing the processing of the clock spread spectrum generator on the high-frequency clock signal and reducing the power consumption.

The invention relates to a large-scale wind power plant sending-out line phase selection method based on transient current waveform characteristics, and belongs to the technical field of power system relay protection. Firstly, transient current of a wind power plant side is collected, and whether a fault is a grounding fault is judged according to the magnitude of zero-mode current; if the fault is a ground fault, absolute values of integral value ratios of transient current fault components of all phases and 1 difference values are calculated, judgment is carried out according to a ratio corresponding to the minimum value delta kmin in the absolute values, if the ratio is smaller than the other two ratios, the fault phase is one phase except the two corresponding phases in the ratios, and if the ratio is larger than the other two values, the fault phase is one phase except the two corresponding phases in the ratios. The fault phase is the corresponding two phases in the ratio; if the fault is a two-phase short-circuit fault or a three-phase short-circuit fault, the ratio of the integral value corresponding to the delta kmin is judged, if the ratio is larger than the other two ratios, the fault is the two-phase short-circuit fault, and otherwise, the fault is the three-phase short-circuit fault. According to the method, the required time window is short, and the problem that fault phase selection is inaccurate when a traditional phase selection method is used for recognizing far-end high resistance is solved.

The application discloses a phase selection circuit of a multiphase control circuit and the multiphase control circuit, which comprises an amplifier circuit, a comparator circuit, a clamping state control circuit and a clamping signal control circuit. The amplifier circuit is configured to generate a comparison signal. The comparator circuit is configured to generate a phase switching signal according to the comparison signal and a second reference voltage signal. The clamping state control circuit is configured to generate a clamping state control signal and provide the clamping state control signal to the clamping signal control circuit. The clamping signal control circuit is configured to clamp the voltage value of a clamping signal at a clamping reference voltage. By setting the clamping state control circuit and the clamping signal control circuit for the multiphase control circuit, the inductance current peak value of the multiphase control circuit is clamped when the phase switching is performed during the load switching of the multiphase control circuit, so that the problem that the output voltage signal oscillates during the light and heavy load switching of the multiphase circuit in the prior art is solved.

The application discloses a phase selector switch, which has multiple phases, each phase comprising a vacuum interrupter, a magnetic control mechanism and a transmission mechanism, the vacuum interrupter comprising a moving contact and a stationary contact, the magnetic control mechanism comprising a moving iron core and a stationary iron core, and the transmission mechanism comprising a connecting rod assembly, a breaking spring and an overtravel spring; the first end of the connecting rod assembly is rigidly connected to the moving contact, the second end of the connecting rod assembly is connected to the moving iron core in a follow-up mode, and the second end of the connecting rod assembly passes through the stationary iron core and the moving iron core, and the breaking spring and the overtravel spring are arranged in the middle section of the connecting rod assembly. The application has the beneficial effect that the connecting rod assembly passes through the magnetic control mechanism, so that an overtravel distance is formed between the connecting rod assembly and the magnetic control mechanism, and the overtravel value of the contact overtravel spring after the factory delivery can be observed and measured, and the wear condition of the vacuum interrupter contact in the phase selector switch can be found in time in the later period.

The embodiment of the invention provides communication equipment and a data processing method, relates to the technical field of chips, and improves the performance of the communication equipment. According to the specific scheme, the communication equipment comprises a receiving module, a sending module, an interference canceller and a phase selector. When the communication device is in a first state, the receiving module is used for sampling a received first signal based on N sampling phases to obtain N first input signals, the N sampling phases and the N filtering coefficients are in one-to-one correspondence, and N is an integer greater than or equal to 2. The interference eliminator is used for filtering the second signals sent by the sending module based on the N filtering coefficients to obtain N filtered second signals. The phase selector is used for obtaining N signal attenuation values based on the N first input signals and the N filtered second signals. And the phase selector is also used for determining the filtering coefficient corresponding to the minimum signal attenuation value in the N signal attenuation values as a target filtering coefficient.