High Frequency Structure Simulator?
高频结构模拟器HFSS ？
The paper introduces the principle of PLL clock synthesizer and the structure of MC12429, designs the circuit of the High Frequency clock synthesizer.
本文介绍了PLL合成时钟源的原理，介绍了MC 12429的结构，设计出了高频时钟源电路图。
A new mechanical structure with winch, staff and gimbal is used to develop a gyrometer test table to realize the high frequency of the operation.
为了使测量双轴摇摆台实现高频率的运动，机械结构上设计采用了一种新型的曲柄、连杆、万向节机构；
This method has some advantages such as simple structure, high scan frequency, high resolution and good linearity.
该解调方法具有结构简单、扫描频率高、分辨率好、线性度好等优点。
Computer simulation shows that the control of fuzzy variable structure can increase the robustness, solve the problem of shiver at high frequency, and improve the stability of small disturbance.
计算机仿真结果表明，采用模糊变结构附加励磁控制方法可以提高鲁棒性、解决高频抖动问题，并能够很好地改善电力系统的小干扰稳定性。
This paper introduces the relationship between the high electric conductivity and the transmitting frequency and the structure of the composite wire.
文章给出了这种高电导特性与传输频率及导线结构的关系。
In this paper, the contribution of high order mode shape to the frequency response function of disproportional damping structure is expressed by using low order mode shape and system matrix.
本文用低阶模态和系统矩阵表达高阶模态对非比例阻尼结构频响函数的贡献。
Operating frequency: high frequency movements, the structure should be preferred direct acting solenoid valve, preferred to listen to the exchange of power.
工作频率：动作频率要求高时，结构应优选直动式电磁阀，电源听优选交流。
So the influence of high-frequency noise is analyzed by the analysis of power spectra, coherent structure, probability distribution of time series and differences of them.
针对这些现象，从谱、相干结构、时间序列本身的概率分布和标量差的概率分布，分析了高频噪声的影响。
With coaxial structure, it has no low-cut frequency. Therefore it might be one of the middle bandwidth slow-wave structure with high-power capacity.
由于其采用同轴结构，不具有低截止频率，因此可能是一种能够同时满足高功率容量和较宽带宽要求的慢波结构。
The circuit has wide frequency bandwidth, high voltage and current transfer accuracy, simple structure. For this reason, it is easy to be realized with low cost for universal applications.
该电路具有频带宽、电压传输和电流传输精度高、结构简单、易于实现及成本低廉且实用性好的特点。
To ensure the appearance structure characteristics permanent stability, good wear resistance, can meet the need of long-term high frequency of use.
能保证外观结构特征恒久稳定不变，耐磨性好，能满足长期高使用频率之需要。
A modified direct digital frequency synthesis (DDS), pipelined structure, and time-sharing ROM are adopted in the chip, for saving chip area and ensuring high performance and speed.
该芯片采用了改进的直接数字频率合成算法、流水线结构与ROM分时复用技术，保证了芯片的高性能和速度，节省了芯片面积。
After 3d high resolution seismic data of Yacheng 13-1 structure were inversed using restriction sparse pulse inversion, data volume of full-frequency band absolute wave impedance was gained.
利用约束稀疏脉冲反演方法对崖城13—1构造的高分辨率三维地震资料进行了反演，得到了全频带的绝对波阻抗数据体。
A frequency selective surface (FSS) is a metallic periodic structure with frequency selective properties. Depending upon design, it may be low-pass, high-pass, band-pass, band-stop filter.
频率选择表面（FSS）是具有选择频率功能的一块金属周期结构，它可以被设计成低通、高通、带通、带阻滤波器。
A novel topologic structure of high frequency AC pulse density modulation converter is proposed, and its operation principle, control scheme and design are described in detail.
提出了一种新颖的高频交流脉冲密度调制变频器的拓扑结构，并详细阐述了工作原理、控制方案和设计方法。
The insulation class F or class H . The insulation of open-loop U/f condition of . structure has the adaptability to high carrie frequency voltage supplied by frequency converter .
电动机的绝缘等级为F级或H级，绝缘结构具有对变频器输出高载波频率电压的适应能力。
This paper proposes a novel structure of high frequency AC hybrid resonant inverter power for electric vehicles, and describes design and analysis principle of the hybrid resonant network.
提出了一种用于电动汽车的高频交流混联谐振逆变电源的结构，描述了混联谐振网络的设计原则和分析方法。
The results of practical measure and applications indicate that this water-meter has the characteristics of zero power dissipation, zero responding frequency, simple structure and high reliability.
对其进行实际测量和使用表明：该水表具有零功耗、零响应频率、结构简单、可靠性好等优点。
The principle and structure of high frequency piezoelectric sensor for safe observation of fast fission reactor are introduced, and the testing results are presented.
本文介绍了用于快速中子反应堆安全监测的压电式高频传感器的原理、结构与试验结果。
In this dissertation, we have made detailed theoretical and experimental study on the high-frequency characteristic of the coaxial interlaced disk-loaded slow-wave structure.
本文从理论分析和实验研究两方面着手，对同轴交错膜片加载慢波结构的高频特性进行了深入的研究。
The result show that this system have the advantage of simple structure, high control precision and low cost, which is suit for the home DC inverted frequency air-conditioner application.
试验结果表明，该系统具有结构简单可靠、控制精度高、成本低廉的优点，适于家用直流变频空调的应用。
This paper introduces structure and component of the high frequency pulsed power supply on AT89C2051. At the same time, it describes the method of debugging of the high frequency pulsed power supply.
介绍了基于AT89C2051的高频脉冲电源的结构和组成部分以及脉冲电源的调试过程。
A new drive circuit for IGBT is designed. It features high switching frequency, high driving power, simple-structure and reverse-turn-off.
论文中还设计了一种新型的IGBT驱动电路，它具有开关频率高、驱动功率大、结构简单且具有负压关断的特点。
In the southeast coastal region of China, seismicity is of high frequency, and fracture structure is abundantly existent.
中国东部，相对来说东南沿海地区的地震活动较为频繁，断裂构造也十分发育。
Objective: to investigate the effect of high frequency electrotome on muscular tissue structure.
目的：探讨高频电刀对肌肉组织结构的作用。
This thesis discusses the performance of the piezo-ceramic actuator and it's active narrowband vibration isolation technique of high frequency flexible structure based on resonant case.
本文讨论了压电陶瓷作动器的性能和基于共振情况下的柔性结构的高频窄带主动隔振技术。
The structure and theory of main circuit, control circuit and protection circuit of modularized charge power supply composed by IGBT high frequency switch tubes are introduced in this paper.
介绍了利用高频开关管IGBT构成模块化充电电源的主电路、控制电路及保护电路的结构、原理。
But for high frequency problem and complex structure, too dense grid of object will lead to dense impedance matrix and many unknown variables, so the computational efficiency will be very low.
但是在处理高频问题和具有精密结构的缝隙时，对目标剖分过密会导致稠密的阻抗矩阵，未知量增加，影响计算的效率。
But for high frequency problem and complex structure, too dense grid of object will lead to dense impedance matrix and many unknown variables, so the computational efficiency will be very low.
但是在处理高频问题和具有精密结构的缝隙时，对目标剖分过密会导致稠密的阻抗矩阵，未知量增加，影响计算的效率。
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