英语释义

• modulation that imposes a signal on a train of pulses

片语

pulse positon modulation脉位调制

pulse width modulation inverter脉宽调制转换器

pulse width modulation脉沖调制；脉宽灯；脉沖间隔灯

pulse time modulation脉沖时间灯

Pulse Code Modulation[电子] 脉沖编码调制；[电子][通信] 脉码调制

pulse frequency modulation telemetry[自]

PL Pulse Frequency Modulation脉沖频率调制

Pulse Width Modulation脉沖调制；脉宽灯；脉沖间隔灯

英汉例句

• the a/d conversion method includes that firstly, the digital pulse modulation module generates a pulse-width signal;

  所述模数转换方法包括：首先，通过数字脉宽调制模块产生脉宽信号；

• the causes of the phenomena are explored by studying the characteristics of audio frequency power amplifier and the pulse modulation of the high-frequency switch power supply.

  通过研究音频功率放大器电源的工作特点和高频开关电源的脉沖调控过程，分析了产生这一现象的原因。

• in pulse modulation identification is one of radar reconnaissance key technology. especially, in pulse modulation identification under low snr is a hot point of recent researching.

  脉内调制类型识别是雷达侦察的关键技术之一，特别是低信噪比下的脉内调制识别技术是当前研究的热点。

• through keyboard and code generation circuit, coding and pulse modulation vibration with infrared project to form infrared project circuit.

  通过键盘及代码生成电路、编码、脉沖调制振蕩和红外发射构成红外发射电路。

• the front stage uses the single-voltage-mode control strategy and the back stage uses the three states discrete pulse modulation hysteresis current control strategy.

  前级采用电压单环调制方式，后级采用三态滞环离散脉沖调制电流滞环跟蹤控制技术。

• abstract the basic theory and numerical implimentation of a new approach to analyze and synthesize the fluid pulse modulation control system are carried out in this dissertation.

  本文研究了流体脉沖调制系统分析与综合技术的基本理论方法和技术。

• an dual phase pulse modulation (dppm) encoder circuit (fig. 3) converts data (11) into a series of high and low signal pulses (33;

  一种双相位脉沖调制（dppm）编码器电路（图3）将数据（11）转换为高和低信号脉沖（33；

• the change of chlorophyll fluorescence in flag leaves of indica rice was analysed under light and temperature stress and during recovery by pam pulse modulation fluoremeter.

  用pam脉沖调制荧光仪分析籼稻剑叶在光温胁迫和恢复期间的荧光变化。

• the principle of impulse radio(ir), several kinds of pulse generators, pulse modulation and signal emission for uwb radio, as well as characteristics of uwb-ir are mainly presented and concluded.

  重点分析了脉沖无线电方式的原理，脉沖的几种产生方法，调制、发射以及脉沖信号的技术特点。

• this sensor featuring plane-convex lens collimator for expanding beam and coupling, and a low frequency for light pulse modulation is introduced.

  利用平-凸透镜準直器作扩束耦合光学系统，采用低频斩光器实现光调制。

• pulse modulation may be used to control a bias voltage and an ionization.

  脉沖调制可以用来控制偏置电压和电离。

• in this dissertation one step pulse modulation method is introduced, which can obtainconduction angle through an on-line operation.

  阶梯波调制是一种简单有效的逆变器调制方法，文中介绍了一种可在线计算触发角的阶梯波调制算法。

• the laser pulse modulation system has been used in a picosecond time-correlated single photon counting spectrometer with perfect effect.

  该激光脉沖调制系统已经应用在皮秒时间相关单光子计数光谱仪系统中，取得了比较理想的效果。

• the laser pulse modulation system consists of cavity dumper driver, matching net and acoustooptic energy convertor.

  超短脉沖激光调制系统包括腔倒空驱动器、匹配网络和声光换能器。