high frequency current的例句大全

in the process of floating zone refining neodymium bar with induction heating, the electromagnetic forces exerted on floating melted zone of neodymium bar by high frequency current in induction coil were calculated.

计算了感应加热悬浮区熔提纯钕棒过程中，感应线圈中的高频电流作用在钕棒悬浮熔区上的电磁力。

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hardening by high frequency current

高频电流淬火法

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Research on Speed identification of Induction Motor Using High Frequency Current Injection

利用插入高频电流进行异步机转速辨识方法的研究

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use of temperature, humidity pesticides. (4) use of high frequency current, radiation can prevent pests, laser.

利用温，湿度杀虫。（4）利用高频电流，放射能，激光等防治害虫。

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research on middle and high frequency current sensors

中高频暂态电流传感器研究

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the design of a kind of high frequency current transducer

一种高频电流传感器的设计

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A second order high-pass and band-pass log-domain filter is designed based on the differentiator, its cut-off frequency and quality factor can be tuned through the bias current, and is easy to cascade to realize high order filter.

利用该微分器完成了二阶带通高通对数域滤波器的设计，所设计的滤波器其截止频率和品质因数可以通过偏置电流加以调节；易于级联实现高阶滤波器。

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Numeric analysis for eddy current field and high frequency impedance solenoidal coils

螺管结构线圈涡流场及高频阻抗的数值分析

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Study of High Frequency Soft-Switch Current Source Inverter with Self-adaptive Hysteresis Control

自适应滞环控制高频软开关电流源的研究

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Through modulating frequency and speed, controlling the start-up current, running in high/ low speed without any shock, frequent start-up and shut down can be realized.

变频调速可抑制启动电流、无冲击地进行加减速运行、频繁地进行启动与停机实现合理控制。

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Because direct-drive variable speed constant frequency wind power generation system is high efficiency, simple structure and stable operation, it is one of development trends and current research focus of wind power technology.

直驱变速恒频风力发电系统由于其效率高，结构简单及稳定运行，是风力发电技术的发展的趋势和当前研究热点之一。

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Using the passive high-precision current transformer founds a method to measure dielectric loss based on FFT which can eliminate effects of harmonic and current frequency excursion and conducts an experiment.

利用所研制的高精度无源单匝穿心式小电流互感器，建立了一种基于FFT的介质损耗测量方法，它可以有效地消除谐波和工频信号波形不工整的影响，并进行了实验验证。

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Analysis of the Operation Current of the Phase Difference High Frequency Protection

对相差高频保护操作电流的分析

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High frequency large current measurement

高频大电流测量

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High frequency signals is superimposed on the ionic current signals when knocking happens, which can be detected by picking up these signals, and knock frequency detected is about 10~ 11 kHz.

通过检测爆震时产生的叠加在离子电流信号上的高频信号，就可实现爆震检测，测得的爆震频率为10～11kHz。

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Characteristics of PWM power amplifier are also analyzed, and the results show that the frequency band is wide, the linearity of I-O is good, efficient is high, ripple of current is low, it meet the design requirements of MB.

测试了开关功率放大器的相关特性，试验结果表明该功率放大器频带宽、输入输出线性度好、效率高、电流纹波小，达到了设计要求。

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Ionospheric loss of high frequency radio wave propagated in the ionospheric regions On amplitude and piecewise attenuation method of working current in ship ′ s magnetic treatment

电离层对高频电波吸收衰减的影响研究舰船磁性处理中的电流幅值与消磁电流分段衰减方法

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In this paper, a firm joint between steel base and diamond grain was realized by using a high frequency induction welding technique. Ni Cr was used as the brazing alloy and the brazing current and time were carefully controlled.

利用高频感应加热的方法，以Ni-Cr合金为钎料，通过控制电流和加热时间，实现了金刚石与钢基体的牢固连接。

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Optical current transformer ( OCT) is regarded as a perfect substitute for traditional current transformer because of its inherent advantages such as high electrical insulation, broad frequency band, large dynamic range, small volume, light weight and so on.

光学电流互感器（OCT）具有绝缘性能好、频带范围宽、动态范围大、体积小、重量轻等优点，被认为是传统电磁式电流互感器（CT）的理想替代品。

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However, the IGBT switching losses is large, especially at high-frequency switch with tail current state, which limits the frequency of IGBT.

然而大容量的IGBT存在开关损耗大，尤其是拖尾电流在高频开关工作状态下引起的关断损耗很大，限制了其工作频率的提高。

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