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- The high frequency harmonic has been a harmful effect of power electronics, we must adopt the valid measure to take in to repress. 高次谐波已成为电力系统的一大“公害”，必须采取有效的措施来加以抑制。
- high frequency harmonic oscillator 高频谐振子
- Computer simulation and experiments show that the active power filter system can effectively suppress the high frequency harmonics and reactive currents at the same time. 通过计算机仿真及试验证明，该有源电力滤波系统能很好地同时抑制电网中的高次谐波及无功电流。
- The simulation results show that high frequency harmonics will seriously affect the accuracy of ESG strapdown navigation system, so it must be compensated in the disturbing torque models. 仿真结果表明;现结构静电陀螺仪组成捷联系统;高次谐波将严重影响系统精度的提高;必须在干扰力矩模型中予以补偿.
- Small dissipation factor at high frequency. 高的频率和小的损耗因素.
- High Frequency Switch-mode Rectifier for. 通信用高频开关整流器。
- High Frequency and Temperature Stability. 高频及高温稳定。
- Linear and Stable High Frequency Characteristics. 稳定的线性高频特性。
- Provides high Q characteristics in high frequency. 在高频率时提供高的品质因数(Q)值特性.
- Antistatic 50W high frequency power quick clean. 防静电50W高频功率,清洗效果显著。
- Dolphins produce a high frequency sound. 海豚可以发出高频音。
- Yadong High Frequency Welding Steel Manufacture CO. LTD提供钢卷和其他产品。
- Feature:low dissipation factor at high frequency. 特征：高频率，低损耗;容量稳定;自愈性能佳，适合高阻 Recommended Application: Timing, tuned, Oscillator circuits;
- VHFJ? Very High Frequency Jammer? 甚高频干扰台?
- S.L. Lu, C.E. Lin, and C.L. Huang, "Power frequency harmonic measurement using integer periodic extension method," Electric Power Systems Research, vol. 44, 1998, pp. 107-115. 叶迺昆，电力谐波频谱分析之改善，国立中山大学电机工程学系硕士论文，民国八十七年六月。
- A high efficiency dual-band RF power amplifier has an output and/or input of a high frequency transistor well terminated at the second harmonic frequency for dual-band operation. 本发明乃一种高效率双频射频功率放大器，提供高频电晶体的输出端与?或输入端于双频操作中有良好的二阶谐波终止。
- The experiment results indicate that the UPS using high frequency PWM rectifier has the characteristics of low harmonic current and high input power factor ,and has a good future. 实验结果表明 ,采用PWM整流电路的不间断电源具有注入电网的谐波电流小、输入功率因数接近 1等优点 ,是一种很有发展前途的不间断电源。
- Large amplitudes of cables can be induced by low order frequency harmonic oscillations.Then,some destructive accidents will happen,and some efficient control methods will be needed. 缆索结构系统在外部激励作用下将产生低频谐振,会导致大的振幅而可能有破坏性事故发生,故需要一种有效的方法控制这种振动。
- High frequency high voltage arc initiating, high success rate. 高频高压引弧,成功率高。
- Familiar with high frequency circuit and mobile basic theory. 熟悉高频电子线路、移动通信基本原理。
