论述了高机动雷达平面阵列天线馈电系统的水密性设计及试验方法。
In this paper, the design of planar antenna feed system of high-speed mobile radar and a test method for watertightness are presented.
在LTCC蓝牙天线的设计中，提出一种类似于立体螺旋结构的斜体立体式馈电系统。
A novel feeding system of Tilt-shaped strip line which is very similar to three-dimensional helical structure is proposed to design LTCC Bluetooth antenna.
文章拟从蝙蝠翼天线馈电系统入手，分析讨论其能够解决阻抗变换和平衡与不平衡转换原理。
From the batwing antenna feed system, the paper analyzes that he batwing antenna feed can solve the impedance shift, and the principles of transformation of balance and imbalance.
每一分支都有单独的微带一垂直探针馈电系统，并在分支上蚀刻有一个细槽以提高两个端口的隔离度。
Each of the crossed branches has an exclusive microstrip vertical via feed system. To further increase the isolation between the two ports, a slot is etched on each of the crossed branches.
阐述了矩形径向线馈电螺旋阵的工作原理，对辐射单元、耦合探针和馈电系统进行了详细设计，进而得到一个X波段4单元阵列天线模型。
The radiation element, the coupling probe and the feeding system were designed in details, as a result, an X-band 4-element array model was obtained.
大功率有源馈电网络收发系统越来越多地运用于相控阵雷达卫星中。
The high power active feed network is more and more used in the satellite-borne phased-array radar.
悬浮系统由车载电池馈电，因而与驱动系统无关。
The levitation system is supplied from on-board batteries and thus independent of the propulsion system.
对微带馈电网络进行了一体化设计，使馈电网络的接地板与阵列的反射面共用，构成了一个结构紧凑的天馈系统。
The integral design of the microstrip feed network makes the feed network share the grounding pad of the reflector of array so as to construct a compact antenna-feed system.
电源模块并联馈电是高可靠系统，设计或维修使用不当，不但不能发挥其高可靠性水平，而且还会进一步降低系统可靠性。
High reliable power supply module parallel connection system will not achieve (even lower) the reliability level that it should have if it is not designed and maintained properly.
汽车电池甚至还可以在必要是用作向电网回馈电力，其作用就像一个巨大的蓄电系统，但是实现这种功能还需要若干年的时间。
Although this is still many years away, the cars' batteries could even be used to feed electricity back into the grid if needed, and so act as a vast electricity-storage system.
通过改进原有馈电电路并调整开关矩阵与阵列天线的连接顺序，现提出了一套新型的多辐射中心仿真系统的设计方案。
This paper presents a new de- sign for RFSS of multi - radiation centers, which bases on modifying feed circuits and the join order in traditional sys- tem.
对传感器信号处理采用的二次谐波反馈电路，电路为闭环系统。
Adopting the reactive circuit of twice harmonic to process the sensor signal, the system is closed loop.
针对风力发电系统中的双馈电机提出一种转子感应电势定向矢量控制方法。
In wind power system, a vector control strategy using rotor induct electric potential orientation for doubly fed generator was proposed.
建立了包含风力机、齿轮变速箱和无刷双馈电机的无刷双馈风力发电系统整体模型。
A model which includes wind turbine, gear-box and brushless doubly-fed machine (BDFM) for brushless doubly-fed wind generation system is presented.
采用磁场定向矢量控制技术的无刷双馈电机调速系统，其性能基本能够满足运行要求，但存在超调及动态稳定慢等问题。
The brushless doubly-fed machine (BDFM) is based on the technic of field oriented control and the performance of its adjustable-speed drive can ultimately meet the need of the operation.
包括双馈电机综合控制实验系统的控制柜设计，主电路设计及控制电路设计。
It Includes the doubly-fed machine integrated control experimental system control cabinet design, the main circuit design and control circuit design.
根据无刷双馈电机的特性，采用磁链定向的矢量变换控制技术设计了一种新型功率控制系统。
According to the characteristics of brushless doubly-fed wind turbine and adopting flux linkage oriented vector transformation control technology, a new type of power control system is developed.
其次，建立了双馈电机综合控制实验系统，作为以后的节能控制实验研究平台。
Secondly, the experimental system of doubly-fed machine integrated control is established, and it is the energy-saving control platform of experimental study in future.
一个确定的反馈电路在引发递推的系统上有深远的反应。
A positive feedback loop has far-reaching repercussions on the system that triggered the recursion.
设计了以TMS320F 2808DSP为核心的硬件控制系统，包括DSP基本电路、信号反馈电路、驱动电路、送丝电路以及保护电路。
A hardware control system based on DSP TMS320F2808 was designed, including DSP base circuit, signal feedback circuit, drive circuit, wire driving circuit and protection circuit.
无刷双馈电机(BDFM)特殊的结构特点，可以大大降低调速系统的容量，使其在调速系统中有着巨大的潜能。
Brushless double-fed machines (BDFM) show potential benefits in adjustable speed drive systems by their special structure and reducing converter size.
首次推导了适用于变速恒频风力发电无刷双馈电机的功率控制数学模型提出无刷双馈电机变速恒频风力发电系统的功率控制策略。
The variable-speed constant-frequency generation BDFM wind power generation power control mathematic model is firstly derived, and its power control strategy is found.
馈电网络是短波多模多馈天线系统的重要组成部分，因此，馈电网络的设计是多模多馈天线系统设计的关键技术，直接分析其结构非常困难。
Feed network is an important part of shortwave multimode multifeed antenna system. The design of feed network is a pivotal technique in the process of projecting antenna system.
设计了基于矩阵变换器的双馈电机变速恒频风力发电系统。
Matrix converter is designed based on VSCF doubly-fed machine wind generation system.
本发明公开了一种电源系统，包括开关电路、谐振回路、反馈电路和控制电路。
The present invention discloses a power system, including a switching circuit, a resonant tank, a feedback circuit, and controller circuitry.
借助输出电压采样和霍尔元件，设计了电流、电压反馈电路，形成了闭环控制系统。
A closed loop control system is formed by current and Voltage feedback system by means of HALL sensor and potentiometer.
本文对无刷双馈电机变频调速系统的关键技术进行了较为全面的从理论到仿真的深入研究，为今后进一步的研究奠定了一定的理论基础。
The paper has done all-around study on the key technology of BDFM variable frequency system from theory to simulation and has established stability theoretical foundation for continue study work.
在传统的一维相扫强制馈电天线系统中，发射信号通过列馈功分器进入行馈功分器，再经由连接电缆馈送到天线辐射单元。
As conventional one-dimensional array using coercive feed, the signal to be transmitted arrive at radiating elements after via column-feed power divider firstly, via row-feed power divider secondly.
无刷双馈电机除了可作为变速恒频发电机外，还特别适用于大容量的交流调速系统。
The BDFM is suitable to ac speed control system of great capacity besides working as VSCF generator.
无刷双馈电机除了可作为变速恒频发电机外，还特别适用于大容量的交流调速系统。
The BDFM is suitable to ac speed control system of great capacity besides working as VSCF generator.
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