| 1. | Transformation of motor ' s cooling fan variable - frequency system and the results
机组冷油器系统改造 |
| 2. | In the paper , the emphasis is placed on the discussion of the algorithm of design and simulation of digital intermediate frequency system
本文主要研究了数字中频系统中的信号处理、设计及其仿真方法。 |
| 3. | This kind of control system can achieve such a good performance as the dc motor does and is often called self - controlled varying frequency system
这样，永磁电机可以获得与直流电机类似的调速性能，通常称为自控频率调速。 |
| 4. | This text for the test of the numerical video frequency system , the diagraph principle and method of the logarithms word video frequency signal carry on a study .
本文就数字视频系统的测试,对数字视频信号的测量原理和方法进行探讨。 ” |
| 5. | The high frequency system in rdg that we study is complete overmoded sws , and the diameter of waveguide is much larger than the wavelength inspired by the device
由于我们研制的相对论绕射辐射振荡器采用完全过模的慢波结构作为高频系统,波导的直径远大于激励波的波长。 |
| 6. | This paper mainly discusses the vital part discrimination of the near - field target by using target acoustic imaging method , which uses dense narrow beams based on high frequency system
本论文主要研究了基于高频体制下利用密集窄波束形成目标图像，进行近场目标精确识别。 |
| 7. | This paper will study the self - controlled varying frequency system with current supply , including control strategy , parameter optimization and commutation process
本文就是对船用永磁电机的电流源型自控频率调速系统进行仿真研究，主要包括控制策略、参数优化、换向过程的研究。 |
| 8. | Digital intermediate frequency system is one of the hotspots in radio communication and military research , it provided a superexcellent way for high - speed double direction digital communication
数字中频系统是当前军事与移动通信领域的研究热点之一,它为高速双向无线数据通信提供了思路与方案[ 1 ] 。 |
| 9. | In addition , for a dispersive high frequency system , because of the requirement of the phase in - step between the beam and electromagnetic wave , the bandwidth are expected to be located in a narrow range
另外，对干填充等离子体的色散高频系统，由干电子注和电磁波互作用的同步要求，系统带宽必然分布在某一有限范围内。 |
| 10. | The current commercial ddc lack of high speed data processing and fast tune change , which limit the develop of the wideband digital receiver , so special digital intermediate frequency system is needed
目前商用的数字下变频器由于缺乏高的数据速率和快的调谐时间,使得宽带数字接收的发展受到限制,这就需要有专门的数字中频系统来解决此问题。 |
