英语释义

1. modulation of a radio wave or signal in which the intelligence is conveyed by varying the frequency or repetition rate of the pulses of the wave

片语

laser pulse repetition frequency激光脉沖重复频率

streamer pulse average frequency流注脉沖平均频率

pulse e frequency modulation脉沖频率灯

jittered pulse recurrence frequency[通信]

pulse domain frequency声波主频率

pulse repetition frequency[电子] 脉沖重复频率

pulse rate脉搏率；脉沖重复频率

pulse stepped frequency radar脉间频率步进雷达

pulse stepped frequency脉间跳频

英汉例句

• As the increasing of pulse voltage and pulse frequency increasing. the refining effect was much more obviously.

  随着脉沖电压的升高、脉沖频率的增加，细化效果更加显着。

• The influence of the parameters such as surface treatment state, laser output power, welding speed, protective atmosphere, and pulse frequency on the welding quality was studied.

  研究了试件表面处理状态、保护气体、激光输出功率、焊接速度、激光脉沖频率等工艺参数对焊接质量的影响规律。

• It could be used to detect pulse frequency and provided with circuit for pulse cycle detection.

  除了可以测脉沖频率外，还有专门测脉沖周期的电路。

• On the pulse frequency encoding of the antennas, the thesis provided the feedback units using multi closed loop delay circuit.

  在光学天线频率编码分析中，本文提出了利用多光纤环级联代替单光纤环作反馈单元实现频率编码的思想。

• At the same time using Holzer sensors will be converted into pulse frequency motor speed feedback to the MCU, realize the speed closed-loop control, to achieve speed detection.

  同时利用霍尔传感器将电机速度转换成脉沖频率反馈到单片机中，实现转速闭环控制，达到转速检测目的。

• Describes a new design of pulse frequency dividers in which timers NE556 and sequence control unijunction transistors are used.

  利用定时器ne556和程控单结晶体管，设计了一种新型多路脉沖分配器。

• The pulse frequency can be selected by EPLD. The voltage amplitude and pulse width of analog pulse can be adjusted by analog switches and digitally controlled potentiometers.

  频率通过用可编程器件EPLD控制，而脉沖信号的宽度和幅度通过多路模拟开关和数字电位器调节。

• This paper briefly introduced a practical system utilizing pulse frequency signal to achieve multipoint analogous monitoring.

  简要介绍利用脉频信号实现多点模拟量监测的一种实用系统。

• This research is aimed to get higher quality functions by use of single- chip processor and way of pulse frequency modulated (PFM) or pulse width modulated (PWM).

  用单片机作为控制手段，采用脉沖调频（或调宽）方法，达到了较理想的控制品质。

• The paper introduces the principle of ZK400 Vacuum RT Machines; from control pulse frequency of step-motor to adjust mixes speed of Vacuum RT Machines.

  本文介绍了ZK - 400真空注型机的原理及功能，并重点介绍了通过控制步进电机的脉沖频率达到调节真空注型机搅拌速度的目的。

• The spread and compress of millimeter wave pulse frequency spectrum will happen in Doppler Effect during rain.

  在降雨条件下，多普勒效应后毫米波脉沖频谱发生展宽和压缩。

• Sampling point number of every pulse cycle, instantaneous pulse frequency and period was gained with program operation.

  经程序运算得到每个脉沖周期的采样点数，瞬时脉沖频率和周期。

• However, LH pulse frequency and LH pulse amplitude were unaffected by treatments.

  但LH的脉沖频率和幅度不受上述处理的影响。

• The degradation of methyl orange was high, which was related with the peak value, pulse frequency and duty circle of positive pulse and anode area.

  甲基橙的脱色程度与峰值电压、脉沖频率、占空比、阳极电极面积等有关。

• It trans - forms the speed signal into pulse frequency signal to measure speed and indicate the speed.

  本文给出了一种齿轮测速的方法，将转速信号转化为脉沖频率信号进行测量和显示。

• The results show that the rational combination of welding parameters such as the laser power density, the welding speed, the pulse frequency and pulse width influence the quality of the weld beam.

  焊接过程中合适的保护气体及其送气方式也是十分必要的。大量试验表明，激光功率密度、焊接速度、脉沖宽度和脉沖频率四个参数的合理组合是实现不锈钢薄板焊接的关键因素。

• The semiconductor laser power supply features continuous adjustable laser pulse frequency and continuous adjustable laser driving current of 6~30A.

  其中，激光频率设置为连续可调，激光器的驱动电流6~30A连续可调。

• Wider pulse width, low pulse frequency and medium peak power should be used when pulse laser welds magnesium Alloy.

  脉沖激光焊接镁合金时应遵循较大脉宽、低频率、中等峰值功率的原则。

• The effect of pulse frequency and pulse duration ratio on the abrasion resistance of gold coatings is investigated with pulse plating in cyanide free and trace cyanide baths.

  研究了脉沖电镀在微氰镀金，无氰镀金体系中脉沖频率、脉沖占空比对镀金层耐磨性的影响。

• The results show that kerf width decreases with pulse frequency increases under the same average power and pulse width.

  结果表明，当平均功率和脉沖宽度相同时，切缝宽度随着脉沖频率的增大而减小；