1) decimal frequency control
十进制频率控制
1.
The principle of decimal frequency control is presented in details,and the parameters calculation and realization of a DDS signal generator of 100Hz to 200KHz with 100Hz frequency step are given.
文中详细介绍了十进制频率控制原理,并例举了一种100Hz~200KHz,步进100Hz的DDS波形发生器的参数设计及实现。
2) decade frequency meter
十进制频率计
3) decimation-in-frequency
十进制分频
4) frequency control
频率控制
1.
Design of frequency control circuit of a uncorrelated frequency agility radar signal source;
非相参捷变频雷达信号源频率控制电路的设计
2.
Two kinds of wind power generation systems are introduced as well as the frequency control,power control and rotational speed control of generator in parallel operation.
介绍了风力发电系统的两种形式和并网运行的频率控制、功率控制、发电机转速控制。
3.
According to its characteristic and scheme, a frequency control loop based on the model of DFIG based wind turbines is proposed and it is implemented in the simulation package of DIgSILENT/PowerFactory.
文中以双馈变速风电机组模型为基础,根据双馈变速风电机组控制特点和控制过程,在电力系统仿真软件DIgSILENT/PowerFactory中增加了频率控制环节,在系统频率变化时,双馈变速风电机组通过释放或者吸收转子中的一部分动能,相应增加或者减少有功出力,实现了风电机组的频率控制。
5) Matching frequency
控制频率
6) keying,binary frequency shift (BFSK)
二进制频率变换键控
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条