...节能、环保的绿色电源。模块化产品由于自身系统架构的优势,整机效率比传统机型有了突破性的进展,在整机效率方面有很大提升。模块化UPS的输入总谐波失真(THDI)一般为5%,同时输入功率因数PF≥0.99,没有无功功率电流输入,不影响电网并且大幅降低能源的消耗。
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此技术的缺点是放大器的整体前向增益会有些许降低,同样地,总体谐波失真(total harmonic distortion,THD)和噪声也有少量增加。
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总谐波失真 [电子] Total Harmonic Distortion ; THD ; Total hamornical distortion ; Total Harmonic
谐波失真 [电子] Harmonic distortion ; THD ; total harmonic distortion ; Measurement of Harmonic Distortion
检波失真 detection distortion
电流总谐波失真 THDI
回波失真 echo distortion
总谐波失真+噪声 THD+N ; THD + noise
总谐波失真加噪声 THD ; Total Harmonic Distortion plus Noise THD+N
二次谐波失真 second harmonic distortion
谐波失真百分比 percent of harmonic distortion
虽然效率可以提高,当正弦波通过非线形载荷,正弦波失真出现,然后谐波电流通过负载。
Though the efficiency can be enhanced when sine wave passes through non-linear loads, the sine wave distortion appears, and then harmonic current passes through loads.
实验结果显示对于上面所提及的两个天线,只有些微的脉冲波失真,其保真度之值介于0。8至0。96之间。
The experimental results show slight pulse distortion, with goof fidelity values of 0. 8 to 0. 96 for the two proposed antennas.
理论分析和仿真结果表明,新算法具有较强的鲁棒性,其抗噪声及抗协波失真性能明显高于现有周期算法,且计算简单,精度令人满意。
Simulation results and theoretical analysis show that the new period calculation method in this paper is robust? computationally simple and its accuracy of estimation is satisfactory.
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