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- An electronic device that converts one frequency of a radio signal to another. 变频器将无线电讯号从一种频率转换成另一种频率的电子装置
- Stay on one frequency and keep on calling. 在一个频率上坚持地呼叫(换句话说就是不要轻易扫地?)
- The rings resonate at more than one frequency each. 这些环状物各自有不同的振动频率。
- All ALE personnel were on one frequency (1-E). 所有机场执法人员都在统一通话频率上(1-E)。
- The core part of the circuit is differential and frequency selection. 电路核心部分由微分电路和选频电路组成。
- Telecommunication for converting a signal from one frequency to another. 把信号的一种频率转换为另一种频率的电讯装置。
- Light that is of one frequency,with the waves in step is called coherent light. 单频率且波同步的光叫相干光。
- The generator of adaptive FH pattern is designed.By using it and the result of the LQA, adaptive frequency selection is accomplished. 设计了自适应跳频图案发生器,利用信道质量评估结果,完成了自适应频率选择。
- Laser-produced light is different from incoherent light. It is essentially of one frequency. 激光器产生的光与非相干光不同,它实质上只有一个频率。
- Light that is of one frequency, with the waves in step is called coherent light. 单频率且波同步的光叫相干光。
- All frequency injections of the receiver are controlled by a phase-locked digital synthesizer which allows incremental frequency selection in 10, 1 and 0.1 MHz steps. 接收器的所有频率注入在状态之前被控制-锁了允许第10;1和第0.;1个百万赫兹步骤的逐渐增加的频率选择的数传合成器。
- The superficial layers are often frequency selective to transmission. 表层传播一般都有频率选择性。
- one frequency long distance selection sy 单频长途选择制
- This paper worked on TDE in the cases of only one frequency and coherent components in the source based on the correlation TDE method. 以相关法为例,分别研究了仅有一个频率成分时和含部分相干成分时同源信号的TDE。
- Secondly, it introduces the frequency selection, EMC(Electromagnetic Compatibility), the basic generation theory and modulation of the third civil signal(L5 signal), including LS ranging code, Forward Error Correction, QPSK modulation and Neuman. 其次,介绍了其信号的频段选择、电磁兼容性及其调制和产生的基本原理,包括L5测距码、卷积码、QPSK调制以及Neuman.
- In a single-cable system of a LAN,the process by which incoming transmissions at one frequency are converted to another frequency for outgoing transmission. 在局域网络的单电缆系统中的一种过程,借此可将一种频率的入传输转换为另一种频率,以进行出传输。
- Recommends a principle and method of frequency selection range fixation in order to control the reliability of fuze action through the adoption of sampling discrimination in frequency modulated fuzes. 推荐一种利用采样鉴相技术在调频测距引信中进行选频定距、控制引信可靠作用的原理与方法。
- In a single-cable system of a LAN, the process by which incoming transmissions at one frequency are converted to another frequency for outgoing transmission. 在局域网络的单电缆系统中的一种过程,借此可将一种频率的入传输转换为另一种频率,以进行出传输。
- She is one of the best hurdlers in the world. 她是世界上最优秀的跨栏选手之一。
- Using digital signal processor(DSP), TMS320F240, which is special for motor control ,we develop one frequency conversion adjustable-speed system witch based on FOC principle. 本文依据矢量控制的原理,以电机控制专用的DSP芯片TMS320F240为核心,设计、开发了一套基于矢量控制的变频调速系统。