系统采用了基于误码率测量的闭环功率控制技术,效果良好。
The closed loop transmission power control based on measuring BER is adopted in the uplink and shown to be effective.
SCDMA系统的闭环功率控制可以分为外环功控和内环功控。
For TD-SCDMA system, the closed-loop power control(PC)consists of inner-loop PC and outer-loop PC.
它由基于反向信道预测的功率补偿算法和常规闭环功率控制组合而成。
It consists of a power compensation algorithm based on reverse channel prediction and a common closed -loop power control algorithm.
在LTE上行链路,通过完成闭环功率控制命令对系统的性能进一步优化。
In LTE Uplink, further optimization of the system performance can be done via closed loop power control commands.
本文将模糊逻辑控制器加入到闭环功率控制技术中,并由此提出一种无线传感器网络中点对点的模糊功率控制算法。
A peer to peer fuzzy power control algorithm of wireless sensor nodes is proposed by means of adding fuzzy logic controller to close loop power control technology.
本文提出了一种基于改进的神经网络(MNN)的自适应闭环功率控制算法,该方法平滑了移动信道衰落的影响,使基站接收到的小区中所有用户的信号功率相等。
In this paper, a Modified Neural Network (MNN) based power controller is proposed to smoothen out the fast fading and keep the received signal power from each user constant at the base station.
针对采用专用控制信道的DS - CD MA系统的上行链路,本文直接利用控制信道的导频符号进行SIR测量的闭环功率控制,并通过计算机仿真对链路的性能进行分析。
An SIR-based close loop power control algorithm is presented. The pilot symbols of control channel in DS-CDMA up-link system are used to measure the received SIR.
从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。
The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.
对于电动机起动需要控制起动电流和转矩震动的问题,采用双闭环的控制方案,即电流闭环控制和功率因数角闭环控制。
As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.
在此基础上,提出了双向AC/DC功率变换器的一种双闭环系统控制结构,并从物理概念出发讨论了系统的工作原理。
Then both control scheme and operating principle of a double closed loop AC/DC power converter system are discussed by using physics.
在原来在线检测的硬件系统中加入功率驱动板,就构成了闭环模糊在线控制系统。
The fuzzy on-line control system of close-loop is made up when the power driver board is added in primary on-line checking system.
提出一种考虑电磁功率突变的暂态稳定闭环紧急控制方案。
A transient stability closed-loop emergency control method considering the abrupt change of electromagnetic power is proposed.
介绍一种由MCS51单片机构成的功率闭环控制单元。
A power closed loop control unit using MCS51 microcontroller is developed in this paper.
功率控制主要指的是反向功率控制,包括开环功率估计和闭环功率校正。
So Reverse Power control, include open-loop power adjust and closed- loop power correction, is the focus of our study.
论文还介绍了仿人智能控制的基本思路,以及仿人智能控制在功率闭环控制中的应用。
The thesis introduces the basic idea of human simulated intelligent control, and the application of human simulated intelligent control in power close loop control.
介绍了一种基于零电压软开关技术和双闭环控制模式的大功率等离子喷涂高频开关电源。
A novel plasma spray power supply based on ZVS soft-switching technology and double close loop control mode is presented in this paper.
闭环反馈控制功率电子变换系统容易发生不稳定现象。
Instability exists mostly in power electronic converters with close loop feedback control.
对8098单片机控制的全数字直流双闭环pwm调速系统进行了研究,探讨了该系统在中小型功率直流电机上应有的可行性。
This paper studies a DC double closed loop digital PWM speed adjusting system controlled by 8098 single chip computer to explore the feasibility for the middle or small power motors.
功率变换器主电路采用电压电流双闭环瞬时值反馈控制方式,电容电压和电流瞬时值控制环提高了系统的稳定性、硬特性、稳态特性及动态特性。
The voltage and current real-time feedback control method is adopted, which improves the stability, the stiffness, the static characteristics, and the dynamic characteristics of the system.
针对这种情况,提出了一种双闭环控制结构和模糊控制方法,使得负载变化时保持感应加热电源的输出功率稳定。
To solve the problem, in this paper we put forward a double closed-loop control configuration and a fuzzy control method to ensure the steady output power when the load changes.
实验与分析表明,高压直流放大器采用功率场效应管和电压闭环控制后,可拓展放大器通频带,提高放大器输出能力和长时间稳定性。
The experimental and analytical results demonstrate that wide bandwidth, high voltage output and long-time stability can be achieved with power MOSFETs and a closed-loop scheme.
数据采集卡采集程控电源的输出以实现对程控电源的闭环控制,采集发电机控制器和汇流条功率控制器的保护信号以计算延时时间。
Data acquisition card collects data about the power output to realize a close-loop control, and protection signal of the two controllers to compute the delay time.
针对这种情况,提出了一种双闭环控制结构和模糊控制方法,使得负载变化时保持电磁炉的输出功率稳定。
To solve this problem, in this paper we put forward a double closed-loop control configuration and a fuzzy control method to ensure the steady output power when the load changes.
介绍了一种永磁无刷直流电机控制系统的设计方案,主要涉及速度闭环和功率模块驱动的硬件电路设计;并通过实验证明该设计可直接用于小型无刷直流电机的控制。
This article presents a design of permanent magnetic brushless DC motor control system and mainly involves the hardware circuit design of speed closed loop and power module drive.
本文给出由智能功率模块IPM构成的印制绕组电动机(以下简称印制电机)双极N倍频PWM可逆调速系统,它采用智能PID 进行闭环控制。
This paper gives a kind of Printed Motor driver, which uses technology of Intelligent PID, N times PWM and intelligent power module-IPM.
在电流跟踪型pwm整流器的基础上引入功率因数调节器,实现PWM整流器的功率因数闭环控制。
Base on the current tracing PWM rectifier, a new structure is proposed by introducing a power factor adjuster in to realization power factor variable PWM rectifier unit.
建立了双馈发电机双闭环矢量控制系统,研究了功率控制模式和转速控制模式下发电机系统的调节原理和动态特性。
DIFG double closed-loop vector control strategy is established; regulating principle and dynamic characteristic in active power control mode or speed control mode is discussed.
交流电网侧通过双闭环控制,实现有功功率和无功功率的解耦控制,同时具有稳定直流母线电压的能力。
The alternate current line side realizes the decoupling control of active power and reactive power through double closed loop and the stability of direct current voltages at the same time.
系统通过瞬时无功功率闭环,实现了功率因数的恒定控制和无功功率的无静差调节。
The closed loop control of instantaneous reactive power is used to realize the constant power factor and suppresses the reactive power impact.
系统通过瞬时无功功率闭环,实现了功率因数的恒定控制和无功功率的无静差调节。
The closed loop control of instantaneous reactive power is used to realize the constant power factor and suppresses the reactive power impact.
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