The FM response magnitude and phase variation effects laser on the high speed frequency switching.
FM响应的大小和相位变化影响激光器的高速频率交换。
The key to realize the goal is the technology of ferrite used in high frequency switching mode power supply(SMPS).
而制约这一目标实现的关键技术就是开关电源用铁氧体材料的高频化技术。
Meanwhile, in the main circuit structure, the use of LCL filter, improved high frequency switching harmonics suppression.
同时,在主电路结构中,采用LCL滤波,改善了对高频开关谐波的抑制。
In high-frequency switching power supply, influence on switching power supply by the more parasitic transformer parameters is increasing.
大功率通信高频开关电源的噪声干扰中除了有谐波的传导干扰外,还存在电磁的辐射干扰问题。
Shenzhen DCTEC Technology Ltd. is a hi-tech enterprise specializing in R&D, manufacturing, and marketing high-frequency switching power supply.
深圳市东辰科技有限公司是专注于DCTEC品牌高频开关电源的研发、生产与销售的高科技企业。
A novel method to develop a frequency synthesizer with wide frequency coverage, fast frequency switching speed, and low phase noise is proposed.
提出了一种宽相对覆盖、低相位噪声的捷变频频率合成方法。
A simple standard frequency tunable method which can be used to measure frequency switching time under the rated frequency deviation is presented.
描述了一种能在额定频差下测量频率转换时间的简便方法——标频调偏法。
High frequency switching power supply made from it can not only simplify the circuit, but also can improve the EMC characteristics and reduce the cost.
采用它制作高频开关电源,不仅简化了电路,同时可以改善电源的电磁兼容性能,且降低了制作成本。
The direct digital frequency synthesis (DDS) is a kind of new frequency synthesis method. It has high frequency resolution, fast frequency switching speed, etc.
直接数字频率合成(DDS)是一种新的频率合成方法,具有频率分辨率高、切换速度快等优点。
Band pass filter is adopted to remove the high -frequency switching disturbance in node voltage measurements and avoid the time delay of common low pass filter.
针对开关动态对节点电压采样值的干扰,引入带通滤波,滤除高频动态的同时避免了常规低频滤波的延时。
It has great advantages of frequency stability, high frequency resolution, speed of frequency switching, simple analysis of phase noise and spurious, small size and low power.
其具有频率稳定度好、频率分辨率高、频率切换速度快、相位噪声和杂散干扰分析相对简单、体积小、功耗低等优势。
Based on 8098 single microcomputer, this paper describes the design idea of a high frequency switching power supply monitor system, and discusses deeply on some concrete problems.
以8 0 98单片机为核心,阐述了高频开关电源监控系统的设计框架,对其中一些具体问题作了深入探讨。
The main merits of DDS are high resolution and fast frequency switching speed, but the defects of low output frequency and bad spurious performance restrict the application of DDS.
DDS的主要优点是其高分辨率和高捷变速度,但是其较低的输出频率和较差的杂散性能制约了其应用。
With the development of modern electronic technology, frequency synthesizers are required to have wider band, higher resolution, short frequency switching time and lower spurious level.
随着现在电子技术的进步,系统对频率合成器的精度、频率分辨率、转换时间和频谱纯度等指标提出了越来越高的要求。
The generated signals have advantages of high frequency resolutions, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase.
具有频率分辨率高、频率切换速度快、频率切换时相位连续、输出相位噪声低等优点。
High frequency switching power supply adopting soft switching technology, which has reliable high efficiency and long use time performances becomes the important part of DC power system.
基于软开关技术的高频开关电源因其性能可靠、效率高、寿命长等优点,成为了现代电力操作电源系统中的重要组成部分。
Water hung in the new Stone Towers is a hardware factory specializing in high-frequency switching power supply shell collection development, design, manufacture and marketing in an enterprise.
里水雄韬新四通五金厂是一家专门从事高频开关电源外壳的集开发、设计、制造和销售于一身的企业。
The phase adder in the model is widely applied which could enable system to hold high frequency revolution, fast frequency switching, and easily digital modulating of the signal's phase and amplitude.
模块中的相位累加器,使系统具有较高的频率分辨率,可实现快速频率切换,很容易实现频率、相位和幅度的数控调制,有广泛的应用价值。
Uses packet switching protocol based on frequency hop scheme with 1600 hops/s to enable high performance in noisy radio environments .
在无线电噪声环境里,利用基于每秒1600跳跳频表的分组交换协议可以提高系统性能。
Also, a large frequency spectrum (698-806 MHz) was freed by switching over from analog TV to the digital one.
此外,从模拟电视信号到数字电视信号的切换也释放了广阔的频道(698- 806mhz)。
The first is switching frequency.
首先就是开关频率。
A repetition rate, or operating frequency, lower than that allowed by the switching times is often specified for a relay.
继电器往往会以开关时间规定一个重复率,或者说是工作频率,使用时需低于该值。
In this paper a new torque controller with fixed switching frequency is proposed.
文中提出了一种新型的开关频率固定的转矩控制器。
This circuit has both characters of restricting the current within the giving value and limiting the switching frequency of MOSFET operating on current limited condition.
该电路具有既能将负载电流限制在设定值以内,又能控制限流工作时功率管的开关频率等特点。
It has the higher switching speed and frequency and can be used as the pilot valve for a larger flow rate valve, or as a direct control valve for small flow rate hydraulic loop.
该阀具有很高的切换速度和频率,可以用来作为大流量高速开关阀的先导控制阀,也可以在小流量回路中直接作为控制阀使用。
Inductive motor mathematics model suitable for high switching frequency inverter drive is described in this paper.
主要研究适用于高开关频率变频器驱动的感应电动机数学模型。
It features in low torque ripple, low flux ripple and fixed switching frequency.
它具有开关频率恒定,转矩和磁链波动小等特点。
The simulation and experimental results illustrate advantages of the inverter:fixed switching frequency, high output-voltage performance, and strong nonlinear load adaptability, etc.
仿真和实验结果证实了该逆变器具有开关频率固定,输出电压波形质量好,非线性负载适应能力强等优点。
Through choosing suitable frequency of inverter, switching losses of domestic IGBT modules are reduced.
选择了合适的逆变频率,降低IGBT模块的开关损耗。
Through choosing suitable frequency of inverter, switching losses of domestic IGBT modules are reduced.
选择了合适的逆变频率,降低IGBT模块的开关损耗。
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