1mhz

Development of 1MHz & 1GHz RF Attenuation Standard 6 ~ 12 GHz Attenuation Standard Set

1MHz～1GHz射频衰减标准的研制6&12GHz衰减标准装置

The complex dielectric constant and complex permeability dispersion were investigated in 1MHz ~ 6GHz ranges .

并对其复介电常数、复磁导率在1MHz～6GHz下的变化规律进行了研究。

1MHz / 4kW ultra-high frequency induction heating device Research on a novel Resonant Inverter for Super High Frequency Induction Heating Power Supply

1MHz/4kW超高频感应加热电源的研究与实现超高频感应加热电源的新型谐振变换器研究

The dielectric characteristics of the co-sintered MgTiO_3-CaTiO_3 and MgTiO_3-SrTiO_3 layered composite ceramics were investigated at high frequency ( 1MHz ) and microwave frequency .

首先，研究了共烧的MgTiO3-CaTiO3和MgTiO3-SrTiO3层状复合陶瓷在高频（1MHz）和微波频率下的介电特性。

The practical circuits used for inserting standard time signal ( second-pulse ) and standard frequency signal ( 1MHz or 4.43361875MHz ) into line 16 of TV signals is presented .

本文介绍将标准时间（秒脉冲）、标准频率（1MHZ或4.43361875MHZ）插入电视第16行的实用数字电路。

Steel shielding layer can effectively reduce the role of the higher frequency components in lightning electromagnetic pulse , So 400kHz ~ 1MHz frequency components of lightning induced voltage on buried control cable are significantly reduced .

钢带屏蔽层能够有效地降低雷电电磁脉冲中较高频率分量的作用，从而使控制电缆雷电感应电压400kHz～1MHz的频率分量大幅度减少。

The theory of a novel digital phase detector in 20 ~ 1MHz impedance analyzer is proposed . The signal sampling theory , the calculation of key parameters , the design of function circuits , and the real-time algorithm based on DSP are described in detail .

研究了20~1MHz范围内数字阻抗分析仪中相敏检波器的设计原理，并详细介绍了基于该原理的信号采集原理、关键参数的计算、功能电路的设计，及以DSP为核心的相敏检波器实时算法。