An electron tube used to amplify or generate ultrahigh frequency by means of velocity modulation.
速调管一种用速度调节的方法放大或产生超高频率的电子管。
LFMCW (Linear frequency Modulation continuous wave) radar is a radar system which can get the information of range and velocity through modulating the frequency of continuous wave.
线性调频连续波雷达是一种通过对连续波进行频率调制来获得距离与速度信息的雷达体制。
The paper discusses and probes into the application of adaptive control in mine hoist direct-current velocity modulation system.
本文对自适应控制在矿井提升机直流调速系统中的应用进行了研究和探讨。
Random pulse position modulation (RPPM) signal not only has good resolution of distance and velocity, but also has low probability of interception and strong properties of eccm.
随机脉位调制信号不仅具有良好的距离和速度分辨力,而且具有较低的被截获概率和较高的抗干扰性能。
This article mainly discusses the designations of three-phase BLDCM velocity modulation systems hardware.
本文主要论述三相直流无刷电机调速系统的硬件设计方法。
In addition, this model is involved in the velocity saturation effect, mobility degradation effect and channel length modulation effect.
模型中同时考虑了速度饱和效应、迁移率下降效应和沟道长度调制效应等。
To validate the theoretical analysis, a test system for group velocity delay was set up based on RF modulation.
为了验证理论分析,设计了射频调制法测试介质膜滤波器群速度延时的实验装置。
The signal modulation of velocity deception jamming is complex, and it is hard to complement anti jamming using the statistical feature extraction method.
速度欺骗干扰因信号调制较为复杂,难以用统计特征提取方法来实现抗干扰。
By analyzing the direct frequency modulation and optical feedback effect of laser diode, a theoretical model for measuring small vibration displacement and velocity is discussed.
分析了在直接频率调制下,激光二极管中的光反馈效应,探讨了振动微小位移和速度的理论模型。
The electrical machinery velocity modulation question has been one of automated domain quite important questions.
电机调速问题一直是自动化领域比较重要的问题之一。
Optical heterodyne magnetic rotation enhanced velocity modulation spectroscopy (OH-MR-VMS) is an absorption spectroscopic technique for selective detection of the molecular ions.
光外差磁旋转速度调制光谱技术是一种对离子分子选择性测量的高灵敏激光吸收光谱技术。
This article introduced the elevator velocity modulation is carries on the velocity modulation through the frequency conversion.
本文介绍的电梯的调速是通过变频来进行调速的。
Combining the concentration modulation spectroscopy with velocity modulation spectroscopy, the dependence of the signal to noise ratio on the modulation depth and various other factors are obtained.
将浓度调制光谱与速度调制光谱相结合得到了速度调制光谱调制度与各因素的关系。
The knowledge of the velocity of the mobile terminals is essential in adequate handoff control, efficient dynamic channel assignment, adaptive modulation, power control, equalization, etc.
移动终端的速度对有效的切换、高效的动态信道分配、自适应调制、功率控制、均衡等无线应用都是必不可少的信息。
A range of options and techniques to induce pressure modulation, velocity modulation or a combination of both, so that uniform drop sequences are obtained, are known to those skilled in the art.
一系列的操作和技术促使压力调制,速度调制,和两者的组合,导致了始终如一的墨滴次序被实现。在这篇文章中被了解到!
The results show that the evolution of the steady-state output parameters of the system varies with the values of modulation parameters, group velocity dispersion and self phase modulation.
研究表明,系统的定态输出随系统的调制深度或调制频率、群速色散或自相位调制等参量值的变化而变化。
The IPM is driven in the same way, and the SVPWM space vector algorithm is adopted by velocity modulation algorithm.
其通过同相接法驱动IPM,调速算法则采用SVPWM空间矢量算法。
The working principle and performance characteristic of asynchronous motor cascade velocity modulation are analyzed, and the inner feedback cascade velocity modulation is introduced systematically.
分析了异步电动机串级调速的工作原理与性能特点,介绍了内反馈串级调速电机及其装置的系统结构。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上,提出了一种高耦合系数条件下径向速度估计的新方法。
The high-speed digital signal processing can complete the complicated the algorithm of control, and suit for the velocity modulation system that create the high performance.
数字信号处理器运行速度快,能够完成复杂的控制算法,适合于建立高性能的调速系统。
Thorough researched to the spindle velocity modulation system of vector frequency conversion.
对主轴矢量变频调速系统进行了深入研究。
The best system of efficiency and function are becoming the pressure frequency conversion velocity modulation system in the various asynchronous electrical machinery velocity modulation system.
在各种异步电机调速系统中,效率及性能最好的系统是变压变频调速系统。
And the high-speed digital signal processor (DSP) can deal with the complicated control algorithm, and suit for the velocity modulation system that create the high performance.
而数字信号处理器(DSP)运算速度快,能够完成复杂的控制算法,适合于建立高性能的调速系统。
Explained with emphasis USES the BPTS series frequency changer to the engine bed main axle velocity modulation plan transformation, finally has produced the engine bed movement performance condition.
重点说明了利用BPTS系列变频器对机床主轴的调速方案改造,最后给出了机床运行的性能状况。
The company mainly researches and develops, the production, the sales industry intellectualization actuation velocity modulation system product.
公司主要研发、生产、销售工业智能化驱动调速系统产品。
Triangular frequency modulation continuous wave, combined with frequency domain matching, is adopted to solve the problem of range-velocity decoupling in LFMCW radars.
LFMCW雷达检测运动目标,可以采用对称三角lfmcw信号,通过频域配对实现动目标距离、速度的去耦合。
The fuzzy control already has obtained the satisfactory effect in the alternating and direct velocity modulation system and the servo system.
模糊控制已在交直流调速系统和伺服系统中取得了满意的效果。
This paper introduces the application of the programmable controller, the direct current velocity modulation system, the frequency inverter and the electronic CAM switch in chamfering machine.
介绍可编程控制器、直流调速系统、变频器、电子凸轮开关在倒棱机中的应用。
This paper introduces the application of the programmable controller, the direct current velocity modulation system, the frequency inverter and the electronic CAM switch in chamfering machine.
介绍可编程控制器、直流调速系统、变频器、电子凸轮开关在倒棱机中的应用。
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