109 results about "Power gain" patented technology

The invention belongs to the field of particle accelerator microwaves, and particularly relates to a C-band compact spherical microwave pulse compression device which comprises a shell, a dual-polarization mode coupler and a circular waveguide, a spherical energy storage cavity is formed in the shell, and the circular waveguide and the spherical energy storage cavity are communicated through a coupling hole; the dual-polarization mode coupler comprises a rectangular waveguide, a butterfly-shaped matching section and a cylindrical matching section. According to the klystron radio frequency pulse compression circuit, the radio frequency pulse with the pulse width of 2.5 microseconds of the klystron can be compressed to 300ns, the average power gain in a single pulse is more than 4 times, the peak power gain is 6.3 times, and the compression efficiency is about 54%. According to the dual-polarization mode coupler, the functions of power distribution, mode conversion and polarization mode generation are synchronously realized, a TE10 mode in a rectangular waveguide is converted into two polarization TE11 modes which are equal in amplitude and orthogonal in phase, and then the two orthogonal TE114 modes are excited in a spherical energy storage cavity.

The invention provides an interval adaptive signal detection method and system based on a digital channelized receiver, and belongs to the field of signal detection in passive radars. The problems that in the passive radar signal receiving process of an existing digital channelized receiver, aliasing of signals and broadband noise exists, and power gains of different frequency bands are unequal, so that channelized signals cannot be normally detected are solved. The amplitude and phase information of M paths of signals are obtained by designing a filter bank, performing multiple serial-parallel conversion processing on input data and performing IFFT operation and CORDIC operation on data output by filtering K paths, then m-point self-correlation accumulation is performed on the amplitude of the M paths of signals, and the amplitude and phase information of the M paths of signals is obtained. Meanwhile, a more flexible threshold calculation method is provided, the working and signal detection bandwidth of the channelized receiver is refined, and a new scheme is provided for improving the signal detection adaptivity of the digital channelized receiver. The method is suitable for signal detection in a scene with non-uniform interference and gain distribution in the working bandwidth of the receiver.

The invention provides a covert communication method based on STAR-RIS and full-duplex cognitive interference. The method comprises the following steps: establishing a covert communication system model based on STAR-RIS and full-duplex cognitive interference; based on a binary hypothesis testing problem, evaluating a false alarm probability and a missed detection probability of hidden user UR spectrum interception; calculating the false alarm probability, the missed detection probability and the detection error probability of malicious monitor UW detection based on the average receiving power of the malicious monitor UW and the judgment criterion; obtaining the optimal detection threshold and the minimum detection error probability of the malicious monitor UW based on the definition of the detection error probability and the monotonicity of the false alarm probability and the missed detection probability under different classifications; the minimum average detection error probability of the malicious monitor UW is calculated based on the statistical magnitude of the channel hypothesis and the channel power gain. According to the method, the interference signal is transmitted by adopting the full-duplex hidden user, hidden communication is ensured, the inhibition effect of the interference of the direct and cascade double links on monitors in the same area is better, and the probability that information is detected can be effectively reduced.

Device structures and fabrication methods for MOSFETs having a novel multiple-conductive layer “T”-shaped gate (as viewed in cross-section). The novel “T-gate” significantly decreases the gate resistance RG of a MOSFET device and thus increases the figure-of-merit fMAX (the maximum device oscillation frequency, or the frequency at which the maximum power gain equals unity) and reduces the noise factor (NF) of the device. Fabrication of the novel MOSFET devices may be readily integrated into existing IC fabrication processes, and such MOSFETs may have gate lengths Lg scaled below the lithographic capabilities of the fabrication process. Some embodiments include conformal gate side-spacers. Some embodiments include non-conformal air-gapped gate side-spacers that result in reduced parasitic gate-to-source capacitance CGS and gate-to-drain capacitance CGD, with concomitant improved performance at high radio frequencies (RF). Embodiments of the novel MOSFET device enable RF circuits, such as low-noise amplifiers (LNAs), to exhibit a better noise figure parameter, NFmin.

The invention relates to a radio frequency feed link power optimization method and device based on an improved genetic algorithm, and the method comprises the steps: setting a design index of a radio frequency feed link according to the composition of the radio frequency feed link, and building a microwave assembly parameter library; based on the design index of the radio frequency feed link and the microwave component parameter library, constructing an optimization model of the radio frequency feed link by taking the maximum power gain as a target function and combining at least one constraint condition of interlayer mutual exclusion constraint and noise constraint; and based on the optimization model, solving an optimal design index of the radio frequency feed link to obtain a technical scheme meeting preset power gain and noise coefficient requirements. Therefore, the problems that the multi-objective optimization requirement cannot be considered, global optimal configuration is difficult to realize in a complex parameter space, the link power distribution is not uniform, the system performance is limited and the like due to the fact that the radio frequency feed link design generally adopts a method of manually depending on an empirical formula or manual parameter adjustment are solved.

The invention belongs to the technical field of terahertz communication physical layer security, and particularly relates to a terahertz physical layer key generation method based on leaky-wave antenna space-spectrum coupling characteristics. According to the invention, the sensitivity of the effective antenna gain of the leaky-wave antenna to the frequency and the spatial propagation direction is utilized to make up for the defect of low eavesdropping channel doubtful degree caused by lack of small-scale fading in terahertz communication, and the conditional generative adversarial network is designed to accurately speculate the equivalent channel power gain. A physical layer key is generated based on the estimated channel power gain. According to the method, the channel power gain can be accurately estimated from the received signal strength with noise and auxiliary information, the reciprocity of an equivalent channel is enhanced, and the method has a lower key mismatch rate and a higher key generation rate; under the condition of different signal-to-noise ratios, good key generation performance can be kept.

The invention provides an intelligent metasurface optimal position deployment method and system in an electric power scene, and the method is characterized in that the method comprises the following steps: constructing a single-input single-output system model for the inspection of a multi-intelligent metasurface (RIS)-assisted unmanned aerial vehicle, the system comprises a base station, an unmanned aerial vehicle and a plurality of RISs, the RIS is deployed in a candidate site set # imgabs0 # between a base station and an inspection area, the height # imgabs1 # azimuth angle theta i and the number Ti of daughter boards of each RIS are adjustable, and the inspection area is divided into N grids; establishing a channel model, and calculating average power gains of direct connection and cascade channels; an optimization problem with the goal of minimizing the total deployment cost is constructed, the total deployment cost comprises RIS site fixed cost and daughter board hardware cost, and the constraint condition is that the system coverage rate is not lower than a preset threshold value eta min; and converting the optimization problem into an integer linear programming problem, introducing a binary variable to represent RIS deployment configuration, and solving through a branch definition algorithm to obtain the optimal RIS position, height, azimuth angle and daughter board number.

The invention relates to the field of high-frequency electronics, and discloses an ultra-wideband traveling wave tube which comprises a focusing control electron gun, a slow wave system and a three-stage depressed collector. The focusing control electron gun is used for providing stable electron beams and realizing effective focusing and acceleration of the electron beams through a cathode assembly, a heating wire, a bunching electrode and an anode assembly which are accurately designed; the slow wave system is composed of an input high frequency and an output high frequency, high-efficiency energy exchange between an input signal and an electron beam is ensured through a conical spiral line and a composite tube shell structure, and therefore signal amplification is achieved. The three-stage depressurization collector effectively recovers residual electron beams through a step-by-step depressurization design, energy loss is reduced, and the total efficiency of the traveling wave tube is improved. The traveling wave tube can provide output power exceeding 100 W in the frequency band of 2-18 GHz, the gain is larger than 25 dB, and the total efficiency is larger than 30%. Due to the excellent performance, the method can be widely applied to the fields of communication, radar, electronic countermeasures and the like.

The invention provides a GaAs PHEMT-based power amplifier. The GaAs PHEMT-based power amplifier comprises an input matching circuit, an inter-stage matching circuit and an output matching circuit which are connected in sequence, and the output matching circuit adopts a reactance compensation network matching mode. The class E power amplifier obtains excellent performance, the reactance compensation technology is used in the frequency range of 2.45-2.85 GHz, the power additional efficiency PAE is 61%, the output 1dB compression point is larger than 29 dBm, and broadband, high efficiency and high power are achieved; the invention relates to a broadband hybrid class E power amplifier combining parallel circuit load and reactance compensation technology, the bandwidth of a diode parameter amplifier is improved by using the reactance compensation technology, and the output impedance is matched by designing a matching network as a low-pass network. The class-E power amplifier has the characteristics of high gain and high efficiency, and keeps good performance in the aspects of output, power gain and PAE.

The invention relates to the technical field of wireless communication, in particular to a communication method, device and system. According to the invention, the subcarrier planning corresponding to the first bandwidth can relate to two 996-tone DRUs, four 996-tone DRUs, eight 242-tone DRUs or sixteen 106-tone DRUs. According to the invention, the subcarrier planning corresponding to the first bandwidth is perfected, so that each DRU can reach a relatively large power amplification factor, and the sending power of the communication device is improved. The application can support the IEEE (Institute of Electrical and Electronic Engineers) protocol, such as an IEEE 802.11 be / Wi-Fi 7 / EHT (Wireless Fidelity) protocol, an IEEE 802.11 bn / UHR / Wi-Fi (Wireless Fidelity) protocol, an IEEE 802.15 / UWB (Ultra Wideband) protocol, an IEEE 802.11 bf / perception protocol, a millimeter wave MMW (Millimeter Wave) protocol and the like.

The present application relates to a kind of load self-awareness wide range error calibration method and system for internet of things electric energy meter.The method obtains the cycle level voltage, current sampling data and current range state of electric energy meter, extracts current step slope, power factor mutation quantity and harmonic envelope attenuation characteristics, judges whether range boundary event occurs, and determines the range boundary residual window caused by sampling front end gain switching, holding capacitor release and digital filter history state residue.In the residual window, the update of current gain, active power gain, phase compensation and other calibration coefficients is frozen, while normal electric energy metering is maintained;After the end of the residual window, generate or call residual fading template based on stable samples before and after the boundary, and gradually release calibration update weight according to cycle.The present application can reduce the risk of wide range calibration parameter pollution by transition sample in load mutation scene, and improve the stability of internet of things electric energy meter online calibration.

The invention discloses an optimization method for realizing array beam main lobe width maximization based on a relaxation strategy. Relates to the field of wide-beam array antennas. The method comprises the following steps: by taking the minimum width of a transition zone area between a main lobe and a side lobe as an optimization target, constructing an optimization model based on array excitation mapping matrixes of a beam main lobe area and a side lobe area, an expected minimum main lobe power gain value, an upper limit of an iteration increment of a to-be-solved target variable xk and an upper limit of a side lobe level; and solving the constructed optimization model by adopting an iterative updating mode, and when an iteration ending condition is met, obtaining array element excitation based on xk obtained by final solving. According to the optimization method provided by the invention, the non-convex problem of maximizing the main lobe width can be converted into a series of convex optimization sub-problems based on the Taylor expansion and relaxation optimization method under the constraint condition of satisfying the expected minimum main lobe power gain and the side lobe level value; and main lobe width expansion and main lobe power gain value adjustment are synchronously realized by adopting an iterative algorithm.

The invention discloses a radio frequency circuit, method and device, electronic equipment and a readable storage medium, and belongs to the technical field of radio frequency. The radio frequency circuit comprises a signal transmitter used for transmitting a radio frequency signal; the power amplifier is connected with the signal transmitter and is used for amplifying the radio frequency signal; the switch module is connected with the power amplifier, the switch module comprises a first signal channel and a second signal channel, the first signal channel is provided with a filter, the second signal channel is a non-filtering channel, and the switch module is used for switching the power amplifier according to the power gain level of the power amplifier. Selectively conducting a first signal channel or a second signal channel associated with the power gain level to transmit the radio frequency signal; and the antenna is connected with the switch module and is used for receiving the radio frequency signal.

The application discloses a broadband folded full-metal slow wave structure, which comprises a first grid body and a second grid body arranged in a central symmetry; the first grid body and the second grid body enclose an electron beam channel; the first grid body comprises a plurality of metal grids arranged at equal intervals along a direction of a traveling wave; a cross section of the metal grid along the direction of the traveling wave comprises a first rectangular section, a trapezoidal section and a second rectangular section connected in sequence; the first rectangular section is provided with an arc-shaped opening with an opening direction away from the trapezoidal section; the arc-shaped opening comprises a first opening and a second opening; a hollowed-out part of the first opening is a rectangular body, and a hollowed-out part of the second opening is a semi-cylindrical body. By setting the hollowed-out part of the first opening as the rectangular body and the hollowed-out part of the second opening as the semi-cylindrical body, a ring-shaped tip of the slow wave structure is prevented, the slow wave structure is easy to manufacture, the dispersion characteristic is improved to expand a bandwidth, high-frequency loss is reduced, and output power, gain, bandwidth and interaction efficiency of the traveling wave tube are improved.

This invention provides a robust resource scheduling method, apparatus, and device for satellite communication systems, relating to the field of wireless communication technology. The method includes: acquiring real-time environmental data and the channel coefficients at the current moment; determining the channel parameters corresponding to the real-time environmental data using an environment-parameter correspondence table, the channel parameters including the channel time correlation coefficient and the innovation process variance; calculating the statistical characteristics of the channel coefficients at the time to be transmitted based on the channel coefficients and channel parameters at the current moment; constructing a probabilistic constraint relationship using a one-sided Chebyshev inequality based on the statistical characteristics and a preset confidence parameter, calculating the minimum channel carrying power gain at the time to be transmitted that satisfies the preset probability guarantee; and performing resource scheduling based on the minimum channel carrying power gain at the time to be transmitted using a robust proportional fair scheduling algorithm. This invention can improve resource scheduling efficiency.

The invention discloses a low-noise amplifier circuit design method, a low-noise amplifier circuit and a low-noise amplifier chip. The low-noise amplifier circuit design method comprises the following steps: constructing a small-signal equivalent circuit diagram of a transistor added into a feedback network; obtaining the input impedance and the output impedance of the transistor according to the small signal equivalent circuit diagram; according to the input impedance and the output impedance, obtaining a feedback gain of a transistor added to the feedback network and an intrinsic gain of a transistor without the feedback network, and according to the feedback gain and the intrinsic gain, obtaining a proportionality coefficient; constructing a noise analysis equivalent circuit diagram of the transistor added into the feedback network; obtaining a total noise coefficient according to the noise analysis equivalent circuit diagram, and obtaining an influence coefficient according to the total noise coefficient; and constructing a contour map about feedback parameters of the feedback network according to the proportionality coefficient and the influence coefficient, and analyzing the gain flatness and noise performance of the transistor according to the contour map. According to the invention, a low noise coefficient, a high power gain and an excellent gain flatness index are synchronously realized in an ultra-wide frequency band.

The present application discloses a method and related device for controlling the wake of a wind turbine generator set, wherein the method includes: when the power-limited wind turbine generator set is a downstream wind turbine generator set affected by the wake under the current wind conditions, obtaining the power limit of the power-limited wind turbine generator set and the unit power before and after executing the current wake control strategy under the current wind conditions; if the unit power exceeds the limit after executing the strategy but does not exceed the limit before executing the strategy, then when the unit power is adjusted to the power limit, and the unit power gain of the power-limited wind turbine generator set is greater than the unit power loss of the upstream wind turbine generator set, correcting the current wake control instruction corresponding to the upstream unit to reduce the unit power to less than or equal to the power limit. The present application solves the problem in the prior art that the setting of the wake control instruction under the restricted state affects the power generation effect of the wind farm.

The invention provides a method for extracting high-frequency characteristics of an indium-phosphorus heterojunction bipolar transistor (HBT). The method comprises the following steps: acquiring S parameter test data of InP HBTs with different sizes; extracting element parameters based on the test S parameters and the T-type small-signal equivalent circuit model of the InP HBT; obtaining a forward current gain and a unidirectional power gain under the radio frequency condition; constructing a frequency extraction model; obtaining a cut-off frequency and a maximum oscillation frequency; and constructing a geometric scalable model of the cut-off frequency and the maximum oscillation frequency based on the change rule of the cut-off frequency and the maximum oscillation frequency along with the size of the device. According to the invention, the method for extracting the cut-off frequency and the maximum oscillation frequency is defined by using the test S parameter; through testing under the multi-size and multi-bias condition, the effectiveness of the method is verified, the precision of the model is improved, and meanwhile, the time for extracting the cut-off frequency and the maximum oscillation frequency is greatly shortened.

The invention provides a signal amplifier and a radar chip, and the signal amplifier comprises a programmable gain amplifier and a voltage stabilizing circuit. The alternating current input coil voltage stabilizing circuit is connected with a direct current path of the alternating current input coil programmable gain amplifier so as to supply power to the alternating current input coil programmable gain amplifier; the alternating current input coil programmable gain amplifier comprises a pre-stage amplification circuit and a post-stage amplification circuit; the alternating-current input coil pre-stage amplification circuit and the alternating-current input coil post-stage amplification circuit are coupled to form an alternating-current path, and a direct-current path of the alternating-current input coil pre-stage amplification circuit is connected with a direct-current path of the alternating-current input coil post-stage amplification circuit through a coil tap. The signal amplifier provided by the invention aims to form a programmable gain amplifier with both efficiency and power gain.

A reference voltage controlled equalization input data buffer circuit includes a first amplifier, a second amplifier, a feedback signal generator, a reference voltage converter, a reference voltage multiplexing circuit, and a gain control unit. The first amplifier includes a first input terminal for receiving a data signal, a second input terminal for receiving a reference voltage, a first output terminal, and a second output terminal. The second amplifier is coupled to the first amplifier. The feedback signal generator is coupled to the second amplifier. The reference voltage converter is used for receiving the reference voltage. The reference voltage multiplexing circuit is coupled to the second amplifier and the reference voltage converter. The gain control unit is coupled to the feedback signal generator, the first output terminal of the first amplifier, the second output terminal of the first amplifier, and the reference voltage multiplexing circuit.

This invention relates to a machine learning-based modeling method for cloud wireless access networks, comprising: acquiring a remote cloud wireless access network transmitter; improving the remote cloud wireless access network transmitter by replacing the traditional microwave source with a dual-ring opto-oscillator to suppress side modes through single-mode oscillation; and introducing a directly modulated laser after an arbitrary waveform generator to utilize the chirp effect and fiber dispersion to generate power gain; and modeling the millimeter-wave signal spectrum of the improved remote cloud wireless access network transmitter based on a lightweight gradient booster model to match the dimensions of input and output features. This invention uses a dual-ring opto-oscillator to replace the traditional microwave source, reducing phase noise; utilizes the synergistic gain behavior of the directly modulated laser chirp and fiber dispersion to improve the transmission gain of the millimeter-wave signal; and models the spectral characteristics of the millimeter-wave signal using a lightweight gradient booster model to achieve spectrum prediction.

The present invention discloses an active listening method based on deep reinforcement learning, belonging to the field of communications. In a large-scale MIMO-OFDM system, when the listener E and the suspicious receiver D are not within the coverage range of the same communication beam, traditional passive listening and active listening schemes become inefficient or even ineffective. To achieve legal listening in a large-scale MIMO-OFDM system, the listener is used as a pseudo-relay to achieve beam induction and data listening. When the transmitter S performs beam scanning, the listener E induces the transmitter to select a beam favorable for listening by optimizing the relay precoding matrix. In the data listening phase, the listener E improves the listening rate by optimizing the relay power allocation factor and the power gain factor. Since the channel state information of the suspicious communication link is unknown, the optimal precoding matrix and power allocation factor are found through the deep reinforcement learning algorithm - MADDPG. Computer simulations verify the effectiveness of the proposed design scheme.

The invention relates to the field of research, development and application of semiconductor devices, in particular to a silicon / graphene / germanium barrier transistor array based on the technology of epitaxial growth of graphene on germanium and a construction method. The transistor comprises the following components from top to bottom: a first layer comprises a base electrode and silicon thin film combined structure, a second layer comprises an emitting electrode and epitaxially-grown single-crystal single-layer graphene, a third layer is a germanium substrate, and a fourth layer is a collector electrode; wherein the bottom of the base electrode is connected with the graphene through a silicon thin film, and the graphene is a layer of single crystal graphene growing on the surface of the germanium substrate through chemical vapor deposition; the base electrode, the emitter electrode and the collector electrode are all metal electrodes, and the metal electrodes are of a titanium / gold laminated composite structure. According to the invention, Schottky heterojunctions of graphene and germanium and Schottky heterojunctions of graphene and silicon are respectively constructed, and different barrier heights of the two heterojunctions are utilized, so that a 4 * 105 common emitter current gain, a 2 * 106 power gain and a prototype device with THz characteristic frequency theoretically are realized.

Embodiments of the present disclosure relate to methods and apparatuses for repeater. According to some embodiments of the present disclosure, a network node may include: a transceiver configured to receive configuration information for a set of reference signals (RSs); a processor coupled to the transceiver and configured to determine at least one of a power gain, a beam identity (ID), a transmission configuration indicator (TCI) state ID, or a quasi-colocation (QCL) type D property for each RS in the set of RSs; wherein the transceiver is further configured to transmit the set of RSs based on the determined at least one of the power gain, the beam ID, the TCI state ID, or the QCL type D property for each RS.

The invention discloses an amplifier structure with a TL-C parallel embedded network. The amplifier structure comprises an amplifier embedded core, an input matching network and an output matching network; the input end of the input series embedded network is electrically connected with the output end of the input matching network; the output end of the output series embedded network is electrically connected with the input end of the output matching network; the input end of the parallel embedded network is electrically connected with the output end of the input matching network, and the output end of the parallel embedded network is electrically connected with the input end of the output matching network; and the input end of the active two-port network is electrically connected with the output end of the input series embedded network, and the output end of the active two-port network is electrically connected with the input end of the output series embedded network. The power gain of the amplifier can be effectively improved, and the problem that the characteristic impedance of a transmission line is low due to the fact that stray capacitance between metal and a substrate is large and the minimum width of the metal is limited by a chip design rule is effectively solved.

An embodiment of the present invention discloses a method and system for controlling a microwave amplifier, including the following steps: S1: The microwave amplifier receives a microwave signal from a signal source and sends the microwave signal into a microwave amplification link for power amplification; S2: During the power amplification process, the output signals of each stage of the amplification circuit included in the microwave amplifier are collected, noise reduction processing is performed on each stage of the output signal, each stage of the output signal is analyzed, the real-time power gain of each stage of the amplification circuit is calculated, and the driving power supply level of each stage of the amplification circuit is adjusted according to the real-time power gain of each stage of the amplification circuit; S3: During the power amplification process, the real-time working temperature of different regions of the microwave amplifier is collected, and according to the real-time working temperature of different regions, the heat dissipation intensity of the radiator connected to the microwave amplifier is controlled until the real-time working temperature of the microwave amplifier returns to a preset temperature; S4: The microwave signal after power amplification is fed back to the signal source.

This application provides a method for evaluating interference effectiveness without relying on direct information feedback, relating to the field of wireless communication security. When faced with unknown communication modes and channel power gain conditions, a cognitive jammer evaluates the interference effectiveness to assess the merits of different interference decisions, optimizing or adjusting these decisions. Before evaluation, the cognitive jammer first analyzes the cognitive communication interference effectiveness evaluation model, the working protocols of the cognitive jammer and the communication pair, and the characteristics of different communication power control models. During evaluation, the cognitive jammer identifies the communication power control model through regular multi-node cooperative interference induction, and then locates the hidden terminal. Based on the node positions of the communication pair, the power gain of the communication and interference channels is estimated, thereby obtaining the interference effectiveness function values ​​of the cognitive jammer under different interference decisions. This invention achieves interference effectiveness evaluation under non-cooperative conditions, providing a basis for cognitive interference decision optimization and improving cognitive interference effectiveness.

A gate tie-down (GTD) cell utilizing a backside power delivery scheme is disclosed in which a metal line that delivers power is disposed on a backside of a die. Back side power may be delivered to the gate through the S / D and through the front side contact. Thus, an ultra-low height standard cell may be implemented. And higher area scaling can also be realized. In addition, performance and power gain can be maximized.

The invention relates to the technical field of circuit structure design of radio frequency amplifiers in the field of wireless communication, and in particular to an adaptive bias circuit of a millimeter wave amplifier for improving linearity. Adaptive bias is achieved by setting a feedback module to offset gain reduction under high power. Input impedance is optimized by a coupling module, linear components are reduced, and a third-order intermodulation intercept point is improved. While achieving bias adaptation and ensuring high power gain, saturated output power and efficiency, amplifier linearity is improved by constructing a coupling path to overcome the contradiction between efficiency and linearity. When input power increases, a feedback signal is received by a feedback module to gradually increase an output bias voltage and keep the gain from decreasing. When input power continues to increase, the series-parallel structure of diodes further enhances the bias voltage increase trend and increases the saturated output power.

Provided in the embodiments of the present application are a communication method and a related apparatus. The method is applied to a terminal device having dual power amplifiers and dual local oscillators. The method comprises: on the basis of a first transmission resource, determining a first maximum power reduction (MPR), wherein the first transmission resource is a transmission resource corresponding to a first component carrier (CC); on the basis of the first MPR, determining a first transmitting power; on the basis of the first transmitting power, sending on the first transmission resource a first signal carried by the first CC; on the basis of a second transmission resource, determining a second MPR, wherein the second transmission resource is a transmission resource corresponding to a second CC; on the basis of the second MPR, determining a second transmitting power; and on the basis of the second transmitting power, sending on the second transmission resource a second signal carried by the second CC. The opportunities for signals carried by different CCs to obtain power gains are increased.