The results show that the method can effectively separate the dynamic modulation from other parts of radiated noise, and extract harmonic features.
结果表明,该方法可以有效地实现动态调制分量与其他信号的分离,准确提取谐波特征。
Dynamic modulation of laser and laser bean, and offset to target reflection coefficient: laser bean is shaped and collimated to round and slender beam by using of the semiconductor laser.
激光器件及激光束的动态调制,目标反射系数补偿:采用半导体激光器,经过整形、准直成圆细光束。
When supply modulation and contour modulation are working in concert, the dynamic range and efficiency of the power amplifier can be further improved.
当电源调制和轮廓调制协同工作时,功率放大器的动态范围和效率可以进一步提高。
A new type technology of dynamic PZT modulation with fiber grating is proposed.
提出了一种新型PZT的动态调制光纤光栅应变力测量技术。
In this article, a control system software is designed using digital PID algorithm, which realize real-time control, dynamic display, data record, parameter modulation and malfunction alert etc.
本文应用数字PID控制算法设计了控制系统的软件,实现了实时控制、动态显示、数据记录、参数调整以及故障报警等控制功能。
The modulation properties of an injection-locked semiconductor laser are discussed. The expressions for power responses and the dynamic frequency shifts of the laser are prented.
本文讨论了注入锁定半导体激光器的调制特性,给出了功罕响应和动态频率飘移的表达式。
The three-phase inverters with the conventional space-vector pulse width modulation (SVPWM) have fast dynamic response, but it is complex to be implemented and needs highly speed microprocessor.
基于传统空间矢量脉宽调制(SVPWM)控制的三相逆变器能够获得快速的动态响应,但实现复杂,需要高速微处理器。
The new three-phase drive control strategy SITRAC combines dynamic torque control, robustness and optimized modulation withselfadjustment and allows speed sensorless operation.
新的交流传动调节方法SITRAC融合动力学、耐用性和具有自调节的最佳调制为一体,其运行可不用速度传感器。
To study the method of designing nonlinear frequency modulation (NLFM) signal waveform, the dynamic selection method was adopted on the basis of phase stationary theory.
研究非线性调频信号波形设计方法。依据相位逗留原理,采用动态优选法,给出了一种改进的非线性调频信号波形设计方法。
The knowledge of the velocity of the mobile terminals is essential in adequate handoff control, efficient dynamic channel assignment, adaptive modulation, power control, equalization, etc.
移动终端的速度对有效的切换、高效的动态信道分配、自适应调制、功率控制、均衡等无线应用都是必不可少的信息。
The sinusoidal pulse-width modulation (SPWM) control strategy is employed in the inverter of proposed converter to achieve well dynamic regulation.
正弦脉宽调制(SPWM)控制策略,采用建议的逆变器转换器来实现良好的动态调节。
The control circuit used very efficient PID modulation and anticipatory control so the power amplifier had little distortion and fast dynamic response.
它采用了电压闭环负反馈以及有效的PID调节环节和相应的超前校正环节,能保证很小的失真率和快速的动态响应能力。
A hybrid modulation method is proposed for the HVDC system using voltage sourced converter (VSC) technology, which performs satisfactorily both in steady state and in dynamic state.
提出了一种适用于基于电压源换流器的直流输电系统的混合调制方式,可满足输电系统的暂态响应和稳态特性的需求。
Space vector modulation (SVM) is applied to the scheme, and decoupling control for the active and reactive power during the dynamic course is realized.
该方法基于空间电压矢量调制,实现了动态过程中有功功率和无功功率的解耦控制。
The experimental results show that the co-control of control angle and modulation index has better dynamic characteristics.
实验结果表明,采用控制角与调制深度相结合的双变量协调控制具有更好的动态性能。
After the combination of direct flux control algorithms and over-modulation technique, a rapid dynamic torque response characteristic is also achieved in the flux-weakening control areas.
直接磁链控制算法与过调制技术相结合后,在弱磁控制区也实现了快速的动态转矩响应特性。
After the combination of direct flux control algorithms and over-modulation technique, a rapid dynamic torque response characteristic is also achieved in the flux-weakening control areas.
直接磁链控制算法与过调制技术相结合后,在弱磁控制区也实现了快速的动态转矩响应特性。
应用推荐