At present, digital SMPS is a research hotspot.
数字式开关电源是目前研究的一个热点。
Objective To evaluate the effect of SMPS on anti-aging .
目的观察玉米须多糖的抗衰老作用。
Meanwhile, each dosage SMPS group has no phenomena of immune suppression.
同时，各剂量玉米须多糖组均未见免疫抑制现象。
High resolution digital SMPS becomes the hotspot in the power supply field.
高精度数字开关电源成为电源领域关注的热点。
A half bridge switching mode power supply (SMPS) based on PWM technology is introduced.
介绍了一款基于PWM技术的半桥式开关稳压电源。
The application of UC3842 in single-ended flyback PWM SMPS is introduced in this paper.
摘 要 ：本文介绍了UC3842在单端反激式PWM型开关电源中的应用。
And it can be referenced for digital SMPS developing, system output resolution improving.
对开关电源数字化、输出精度的提高起到参考的作用。
SMPS technologies to be emphatically developed in China in the 21 st century are proposed.
提出了21世纪我国应注意开发的通信开关电源技术。
It also can record the failure information of SMPS in the virtual EEPROM using flash memory.
它也能够用快闪存储器构成的虚拟EEPROM记录开关电源的故障信息。
The objective of this work is to design and realize a monolithic off-line AC/DC SMPS switcher.
本课题任务就是设计一款小功率单片集成的离线式AC/DC转换开关电源。
It means that usually the SMPS is the strongest electrical noise generator in the whole system.
这意味着开关电源通常是电子设备里的最强干扰源。
Combined with the advantages of bipolar process and SMPS, a high efficient SMPS XD6912 is designed.
结合双极工艺和开关稳压电源的优点，本文设计了一款高效率开关稳压电源XD 6912。
Finally, a simple introduction to the SMPS management chip layout and some performance test results.
最后，简单介绍了该开关电源管理芯片的版图设计与部分性能测试结果。
EMI affects both the electromagnetic compatibility (EMC) performance and the cost of operation for SMPS.
EMI不仅影响开关电源的电磁兼容(EMC)性能，而且影响开关电源的工作成本。
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。
The relationship between output character of Switching Mode Power Supply (SMPS) and DC gain in feedback loops is discussed.
文中详细讨论了开关电源输出特性与反馈回路直流增益的关系。
The experiment results show that the SMPS circuit has simple circuit topology, reliable working performance and stable output.
试验结果表明，该电源结构简单，运行可靠，输出稳定。
The composing of standby power of switch mode power supply(SMPS) and normal methods for reducing it are analyzed and presented.
本文介绍了国外用电器待机功率损耗概况及其标准限制，分析了开关电源待机损耗的构成和目前常用的降低待机损耗方法。
Special load sharing techniques are employed in a parallel SMPS design to equally dis-tribute the load current among the parallel SMPS.
在并联开关电源设计中要采用特殊的均流技术，使并联联接的开关电源间负载电流能均匀分配。
Several dipole antenna models were proposed to modeling the near electromagnetic field of high-frequency switched mode power supplies (SMPS).
讨论了用于开关电源辐射建模的基本偶极子天线模型，给出了各模型电磁场的解析解。
Due to these, SMPs have great potentials in applications of biomedical engineering and aerospace industry, and attract researcher's attentions.
由于这些特性，它广泛应用于医疗和航天等领域，其理论研究逐渐得到人们的重视。
This dissertation examines the different kinds of EMI in typical SMPS, namely conducted (differential and common mode) and radiated interferences.
本文侧重研究了典型开关电源中的几种EMI形式，即传导干扰(包括差模和共模噪声)和辐射干扰。
Application of the double closed loop control has already been popular in SMPS, because such a system has a fast dynamic response and good stability.
双闭环控制在开关电源中的应用非常普遍，是因为它使系统具有较好的动态性和稳定性。
The composing of standby power loss of switch mode power supply (SMPS) is analyzed, and several ways to improve standby efficiency of SMPS are introduced.
分析了开关电源待机损耗的构成，介绍了几种提高开关电源待机效率的方法。
It forms the mathematical optimization technology of the SMPS. Compare with common design, it improves the quality, shortens the period and eases the design finalize.
与常规设计方法相比，这种最优设计技术可以明显地提高开关电源的设计质量，大大缩短设计周期和减轻工程技术人员繁重的电路定型工作。
The SMPS with high resolution discussed in this pager has the features of digital control, high resolution, high integration, easy operating, good anti-EMI performance.
本文所研究的高精度数字开关电源系统，具有全数字化、精度高、集成度高、操作简单方便、调试升级方便、抗干扰性强等特点。
This SMPS is applied in execrable circumstances, so when designing the hardware circuit, EMC problem is also discussed, which insures the SMPS system working stability.
由于本开关电源系统应用环境恶劣，在硬件电路设计时，分析了电磁兼容问题，从硬件设计上保证了系统工作稳定性。
As the working frequency of the switches in SMPS (switch Mode Power Supply) increases, the switching loss increases, too. Soft switch technique can overcome this problem.
开关电源的高频化使得功率开关的损耗加大，采用软开关技术是减小该损耗的有效手段。
There is still a long way ahead of SMPS. Beginning with the basic principles, this article introduces some of the operation processes of different power modes and their spec…
本文从一些基本原理入手，介绍了不同类型开关电源模式的工作过程、优缺点以及优化设计需要考虑的一些因素。
However, SMPS operate at high switching frequencies, and the associated transient pulses are full of high frequency harmonics that may cause electromagnetic interference (EMI).
然而，由于开关电源工作在高频状态，其产生的瞬态脉冲包含有能够发射电磁干扰(emi)的的高频谐波。
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