Time-frequency system is employed for the channel.
通道采用时间-频率划分。
Variable voltage and variable frequency system based on vector control is applied widely in high speed train.
基于矢量控制的变压变频调速在高速列车中得到广泛应用。
This paper discusses the method that is applied in SPWM variable frequency system based on editable DSP controller.
阐述了一种以可编程DSP控制器为核心的应用于变频系统中正弦脉宽调制（SPWM）方法的实现。
In this thesis the signal processing of stepped frequency system which applied in the millimeter wave seeker is discussed particularly.
本文主要针对毫米波导引头频率步进体制的信号处理技术进行了研究。
In the ultra high frequency system, the frequency compounder section of the transmitting frequency is operated with DDS/PLL technology.
在甚高频系统中，射频的的频率合成器部分采用DDS/PLL技术。
Therefore it satisfies operating requirements for time-frequency system and high-stability local oscillator, and has good application prospects.
因此比较好的满足了时频系统，特别是高稳定本振系统的使用要求，而且有着良好的应用前景。
QS15 ultra-low frequency system is equipped with a 15-inch bass, high energy drive, a well-designed to accommodate the logarithmic horn loaded box in the.
QS15超低频系统配备一个15英寸低音，高能量驱动器容纳在一个良好设计的对数式号筒装载箱体中。
The principle and control method was introduced, and a design sample of hardware and software applied on variable frequency system was given in this paper.
在介绍其原理与控制方法的同时，并给出了在变频调速中应用的硬、软件设计实例。
LTCC is the important composite of modern microelectronic packaging. The perfect properties make it useful widely in the high-speed and high-frequency system.
LTCC是现代微电子封装中的重要组成部分，因性能优良而广泛应用于高速、高频系统。
The AC-DCAC voltage source inverter composes the main circuit of this variable frequency system and CPLD is the logic control device of the power device (IPM).
该变频调速系统主电路采用交-直-交形式，以(CPLD)作为调速系统逆变电路功率开关器件(IPM)的逻辑控制器件。
Introduce the work principle of the cold roller about two frequency quenching device and intermediate frequency system, the method of debugging and valuable experience.
介绍了冷轧辊双频淬火装置中频系统的工作原理、调试方法和宝贵经验。
A new method for height finding using monopulse measurement based on stepped-frequency system is discussed in this paper for enhancing low-altitude detection of metric-wave radar.
为了提高米波雷达低空探测性能，本文讨论步进频率体制下，单脉冲测角的米波雷达测高方法。
The simulation results prove that the three-phase phase-locked loop can work well in disturbance situation and variable frequency system when the frequency of the inputs is variable.
并对相位突变和频率突变的情况进行了仿真研究，说明在相位和频率发生变动时三相锁相环仍能有效地锁定相位，能够满足系统变频的要求。
The simulation results indicate that the designed fuzzy power system stabilizer is better than the conventional fuzzy power system stabilizer in suppressing the low-frequency system swing.
仿真结果表明所设计的模糊电力系统稳定器比传统的电力系统稳定器能更有效地抑制系统低频振荡。
The embodiment of the invention relates to the field of electronic communication, in particular to a base station radio frequency duplexer, a radio frequency module and a radio frequency system.
本发明实施例涉及电子通信领域，尤其是一种基站射频双工器、射频模块和射频系统。
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.
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 design accomplishes the electronic communication net monitor system based on the network interconnection of IP net and remote video frequency system based on the network interconnection of IP net.
设计实现了基于IP网的网络互联的远程视频监控系统；探讨并实现了作为数据业务的通信网监控系统和作为视频业务的视频监控系统在同一网络共传的方式。
The system is frequency flexible, connects hundreds of users to a single base station, and delivers superior range and link performance in voice, video and data transmission.
该系统的频率灵活，可将数百个用户连接到一个基站，提供范围广泛和性能优越的语音、视频和数据传输功能。
Every one of us has a "safeguard" within our system that will prevent us from bringing in more frequency than what our bio-systems can safely hold at any given time.
在我们的系统中，每人都有一个“保护措施”以防止我们在任何给定时间内带入过多的频率，超过我们生物系统能够承受的安全额度。
They "want" to oscillate at a given frequency in the same way that a violin string does — a small amount of energy fed into the system, in almost any form, creates the oscillation.
它们“想”以小提琴琴弦一样的方式在给定的频率上进行振动——在小提琴中，以几乎任何形式馈入系统中的少量能量产生了振动。
Using the powersave governor will prolong a running process since it will be running at the slowest frequency; therefore, it will take longer for the system to go idle and get the C state savings.
使用电能节省调控器会拖慢进程的运行，因为它会以最低的频率运行；因此，系统需要花更长的时间进入空闲状态，然后才能获得 C 电源状态节省。
These governors set the processor frequency based on certain criteria; some dynamically change the frequency as inputs are changed either by the system or the user.
这些调控器根据特定标准设置处理器频率；其中一些根据系统或用户对输入的更改而动态更改频率。
Obviously this can affect performance in that the system will never rise above this frequency no matter how busy the processors are.
显然，这有时会影响性能，因为无论处理器多么繁忙，系统都不会提高频率。
You can control the range of frequencies available, the rate at which the governor checks utilization on the system, the utilization thresholds, and the frequency step rate.
您可以控制可用频率的范围、调控器检查系统利用率的频率、利用率阀值以及频率渐进率。
The values for such variables can change when the operating system detects that the update frequency has changed, or if the operating system initiated the frequency change.
这种变量的值可以在操作系统检测到更新频率发生变化或操作系统进行频率更改时进行改变。
It is the responsibility of the operating system (OS) to determine if the update frequency has changed and to make the necessary adjustments to its internal structures.
操作系统(OS)要负责确定更新频率是否发生了变化，以及对内部结构进行必要的调整。
The operating system must be capable of determining the update frequency.
操作系统必须要能够确定更新频率。
The researchers controlled the system using a microwave 'tone' with a frequency that causes the qubits to become entangled.
研究人员使用一种微波来控制该系统，其频率可使量位互扰。
The researchers controlled the system using a microwave 'tone' with a frequency that causes the qubits to become entangled.
研究人员使用一种微波来控制该系统，其频率可使量位互扰。
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