Software algorithm is the kernel to realize virtual instrument. Waveform output algorithm is the key in virtual signal generator.
软件算法是实现虚拟仪器功能的核心,在虚拟式信号发生器中关于输出波形的算法实现一直是研究的重点。
The electrokinetic potential waveform output by a power supply in the electrodepositing system is a continuous scanning potential waveform or a step scanning potential waveform;
电沉积体系中的电源输出的动电位波形是连续扫描电位波 形,或阶梯扫描电位波形;
Contour modulation is a technique in which a phase-modulated signal waveform and amplifier output impedance work together to maintain higher efficiency over a sizable output power back-off.
轮廓调制结合了一种相位调制信号的波形和放大器的输出阻抗,可在某个较大型输出电源关闭后保持更高的效率。
Experiment results prove such method can effectively improve output current waveform of inverter.
实验证明了该方法能有效地改善逆变器的输出电流波形。
A method of keeping neutral point potential balanced based on three-level SPWM had been brought forward, which can improve output waveform and decrease the possibility of IGCT's over-voltage.
提出了一种基于三电平spwm调制的中点电压抑制方法,在改善输出波形质量的同时,有效的降低了IGCT过电压的危险。
The CVCF-SPWM inverter is the core of a UPS system which required high quality output voltage waveform.
SPWM逆变器是UPS系统的核心部件,要求它具有高质量的输出电压波形。
Figure 2-42 illustrates a clipped waveform taken from the 2v analog output of an electrometer.
图2 - 42示出在静电计的2V模拟输出端观察到的限幅波形。
DBVSC can improve the output waveform of converters and reduce the losses of system, so the system can improve the level of power and thus is fit for the application of bulk power.
DBVSC既可以改善换流器输出电流波形质量,又可以减小系统损耗,提高功率等级,特别适合于大功率应用。
Output voltage of this type ASD is multilevel PWM waveform, and by now there is not perfect theoretical analysis for its harmonics.
这种中压变频器输出电压为多电平pwm脉冲波形,目前对其谐波还没有完善的理论分析。
The compensation method can effectively improve motor current waveform, the inverter's output performance can be greatly enhanced.
该补偿方法能有效改善电机导流波形,提高了逆变器的输出性能。
The desired output waveform is selected under logic control by setting the appropriate code at the A0 and A1 inputs.
通过设置A0和A1输入端适当的电平,用逻辑控制的方法来选择所需的输出波形。
Based on SPWM basic principle and Fourier series theory, the mathematical model of output waveform of SPWM voltage source inverter is built.
根据SPWM的基本原理与付立叶级数理论,建立了SPWM电压型逆变器输出波形的数学模型。
The temporal waveform and the intensity distribution of output laser were measured.
测量了输出激光时间波形和光斑的光强空间分布。
The designed signal simulation circuit can precisely simulate the output signal waveform of fiber-optic gyro, offer accurate input signal to counter card.
设计的信号模拟电路精确模拟了光纤陀螺输出信号的波形,给计数卡提供了准确的输入测试信号。
When using encoder sensor in precise measurement, the shaking of rotation axis can cause change of output waveform of sensor and wrong count.
编码式传感器应用于精密测量时,由于旋转轴的晃动可能引起传感器输出波形的抖动,从而导致计数错误。
Test results show that the controlling system works well to control the waveform current output and meets the need of TIG welding for aluminum-alloy.
试验结果表明:系统设计合理,输出电流的波形可控,完全能够满足铝合金TIG焊的工艺要求。
Because the clamp effect of DC voltage source, AC side output the rectangular wave voltage waveform, and it has nothing to do with the load impedance Angle.
由于直流电压源的钳位作用,交流侧输出电压波形为矩形波,并且与负载阻抗角无关。
Through simulation and measuring, a corresponding state locus diagram and a voltage and current waveform and output characteristics are thus made, from which a useful conclusion is reached.
作出对应的状态轨迹图,通过仿真和实测,求出相应的电压、电流波形及输出特性,从中得出有益的结论。
The microcontroller will also require an input signal to modify the output dim waveform, which can introduce the complexity of a communication network.
微控制器还需要输入信号来修改输出调光波形,而这就会增加通信网络的复杂度。
It was an effective way to improve output voltage waveform for inverter under nonlinear load.
在逆变电源带非线性负载时,它是对输出电压波形进行改善的一种有效手段。
The results indicate that the dead time effect distorts inverter output voltage and current waveform and increases torque ripples of the motor.
结果表明,死区效应引起了逆变器输出电压波形畸变,引起了电机电流波形畸变和转矩脉动。
For obtaining practical output voltage waveform, the optimized strategy of widening a couple of switch angles is presented based on the specific requirement of on-off time of switching device.
为了得到实际输出电压波形,根据开关器件通断时间的具体要求,提出了展宽开关角对的优化策略。
The influences of feedback resistance on the output waveform and transfer function of PIregulator are analyzed in this paper.
本文分析了反馈电阻对PI调节器的输出波形及传递函数的影响。
Because dead time is compensated at the same time, the output waveform is improved, and output torque is strengthened in low frequency.
进行了死区补偿,使逆变器在低频输出时波形明显改善,提高了系统在低频时的转矩输出。
The waveform generator is composed by DSP and quadrature digital upconverter (QDU). DSP is used as main controller to decide the modulation mode and output waveform of QDU.
波形产生器主要由dsp和数字上变频器构成,DS P作为主控制器设定数字上变频器的调制方式和输出波形。
Pulse train produced by clock circuit of the transducer has improved waveform and output waveform is stable implemented by mono-stability circuit.
变送器触发源电路保证产生的脉冲串具有改善的波形,单稳态电路实现输出波形的稳定。
The structure of a plane shock equipment was improved, and the output waveform of the plane shock equipment before and after improving was determined by using the probe of PVDF.
对一种低压平面冲击装置的结构进行了改进,利用PVDF探针对改进前后的输出波形进行了测量。
This paper introduces a generating method of SPWM waveform based on 8xc196mc single - chip computer. Formulas of parameters and a control method of output waveform are derived.
提出了一种基于8xc196 MC单片机的SPWM波形产生方法,推导出相关参数的计算公式和输出波形的控制方法。
This paper introduces a generating method of SPWM waveform based on 8xc196mc single - chip computer. Formulas of parameters and a control method of output waveform are derived.
提出了一种基于8xc196 MC单片机的SPWM波形产生方法,推导出相关参数的计算公式和输出波形的控制方法。
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