英语释义

1. a service providing noncommercial television programming (such as recent movies and entertainment specials) by means of a scrambled signal to subscribers who are provided with a decoder — called also pay television — compare pay-cable, subscription tv

2. television channels that you must order and pay for

片语

Self-excitation excess voltage自激过电压

excitation system voltage response time励磁系统电压响应时间

self excitation constant voltage自励恒压

excitation systemceiling voltage ratio励磁系统顶值电压倍数

excitation system voltage time response励磁系统电压

excitation variable voltage励磁电压

exciting voltage[电] 励磁电压；激发电压；激磁电压

excitation n voltage激发电压

steuerspannung激励电压

excitation system voltage励磁电压

excitation forcing voltage ratio强励电压倍数

英汉例句

• how fast will an increment of the excitation voltage reach 95% of the difference between ceiling voltage and the system voltage rating.

  励磁电压增加到最高电压和系统额定电压之差的95%时要多少。

• during the power oscillation of a power system, a damping active power is injected into the network from the dfig machine via regulating the rotor excitation voltage angle.

  在系统发生功率振蕩时，通过改变转子励磁电压的相角调节双馈变速风电机组输出与振蕩相关的阻尼功率，达到使风电场能够改善系统阻尼的目的。

• on the basis of introducing the structure and analyzing the principle of sx421 automatic voltage regulators, this paper applies them to the generating unit excitation voltage system.

  介绍和分析了sx421自动电压调节器的结构和原理，在此基础上，本文将其应用于发电机组励磁调压系统。

• limit induced bifurcation(lib) by generator excitation voltage limit was studied, the critical limit was presented and a mechanism of lib was proposed.

  研究由于发电机励磁电压限制导致的极限诱导分岔，发现临界限值的存在并提出一种极限诱导分岔的机理解释。

• the concerted control strategy of rectifier and inverter is analyzed to keep high modulation degree of spwm, which achieves quick response and high resolution of excitation voltage regulation.

  重点分析了整流器和逆变器的协调控制策略，始终保持spwm高调制度，达到励磁电压调节的快速响应和高分辨率。

• the customized level mate ii meter displays data from the transmitter, provides excitation voltage and transmits an analog signal for remote recording, alarm or control functions.

  通过显示器显示传输的数据，提供激发电压并传输模拟信号用于远程记录、警示或控制。

• at this moment, the excitation voltage transformer impedance and the system-to-ground capacitance come into being non-linear resonant circuit.

  此时电压互感器的励磁阻抗和系统的对地电容形成非线性谐振电路。

• any change in the excitation voltage results is a change in the analog input voltage seen by the adc.

  任一变化在励磁电压的结果是由模数转换器在模拟输入电压。

• and the excitation voltage and output were also fed through the selector switch to the digital voltmeter.

  其激励电压和输出也通过选择开关接到数字电压表 上。

• since the original motive of synchronous generator speed and excitation voltage coupling relations, the excitation system designers at the same time have to consider speed control.

  由于同步发电机的原动机转速和发电机电压的耦合关系，使设计者在设计励磁系统的同时不得不考虑转速控制。

• conditions of excitation voltage and its frequency on contactless conductometric response were optimized.

  优化了非接触电导检测系统中激发电压信号及其频率；