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- line frequency deviation 行频偏移
- A mismatch in real power results in a frequency deviation. 有功的不平衡将会引起频率的偏移。
- Transmitting frequency deviation of high frequencyE? 高频制频率时的发射频偏?
- A developed linear VCXO with wide frequency deviation has acquired better results. 研制的宽频偏线性压控晶体振荡器取得了较好的结果。
- A new scheme to suppress carrier frequency deviation for PCM/FM telemetry digital receiver is presented. 摘要讨论了一种PCM/FM遥测数字接收机的载波频偏抑制方法。
- The analysis on the relationship of the center frequency deviation and the microstrip open-end effect is given. 同时分析了导致这种偏移的原因,并阐述了该方法的理论基础。
- Typically caused by distortions to the frequency components below the horizontal line frequency . 它沿水平方向逐步扩展,通常是由低于行频的频率畸变造成的。
- Because characteristic of electron gun job is restricted, scanning frequency included line frequency and field frequency two concepts. 由于电子枪工作特点限制,扫描频率包括了行频与场频两个概念。
- The over-current relay works to protect oscillation tubes and rectifier, when the current exceeds its limits. Frequency deviation caused by faulty operation is also prevented. 当电流超过限制值时,过负荷电流继电器自动保护振荡管和整流器,同时可以避免由不当操作所引起的频率漂移。
- XU Tai-shan,XUE Yu-sheng.Quantitative assessments of transient frequency deviation acceptability[J].Automation of Electric Power Systems,2002,26 (19):7-10. [7]徐泰山;薛禹胜.;暂态频率偏移可接受性的定量分析[J]
- The display distinguishes the method of the rate exaltation a lot of, we may Discussion from Order to be apart from,line Frequency, Field Frequency so and so. 显示器分辨率提高的方法很多,可以从带宽、点距、行频、场频等方面讨论,而这些因素都是相互联系的。
- The kw, voltage and frequency deviation to be measured and recorded when the load is changed in the following order without adjusting the governor control switch and VR notch. 锁定频率调节开关和电压调节开关,按下列顺序调节发电机负荷,测量并记录功率、电压和频率同额定值的偏差值。
- For the system V10800, for instance, an attenuation change of about ±0.6 decibel for one repeater section can be reckoned with at the highest line frequency. 例如,对于V10800系统来说,在最高线路频率下,一增音段的衰减变化可视为±0.;6分贝左右。
- For the system V10800, for instance, an attenuation change of about ?.6 decibel for one repeater section can be reckoned with at the highest line frequency. 例如,对于V10800系统来说,在最高线路频率下,一增音段的衰减变化可视为&%23177;0.;6分贝左右。
- Line frequency withstand voltage test is a test to verify low-voltage appliance's solid insulation and the capacity to withstand short time over-voltage. 工频耐受电压试验是验证低压电器固体绝缘及其耐受暂态过电压能力的试验。
- Principle of line frequency withstand voltage test equipment, the relation between test transformer capacity and leakage current setting value and cautions at test are described. 描述了工频耐受电压试验设备原理、试验变压器容量与泄漏电流整定值之间的关系以及试验时的注意事项。
- The person that pass by the path asks a pedestrian, pedestrian Dan Yun nods line frequency or prevent a river from 15 north, come 40 on the west battalion cropland. 道旁过者问行人,行人但云点行频或从十五北防河,便至四十西营田。
- The main contents of power energy include frequency deviation, voltage deviation, voltage fluctuation and flicker, voltage unbalance, temporary or transient over-voltage, wave distortion, voltage dips and interruption, power supply reliability and so on. 电能质量的内容包括频率偏差、电压偏差、电压波动与闪变、三相不平衡、暂时或瞬时过电压、波形畸变、电压暂降与短时中断以及供电连续性等。
- The display distinguishes the method of the rate exaltation a lot of, we may Discussion from Order to be apart from ,line Frequency, Field Frequency so and so. 显示器分辨率提高的方法很多,可以从带宽、点距、行频、场频等方面讨论,而这些因素都是相互联系的。
- Theoretical deduction proves that under the condition of all digital receiver, the ideal FM demodulated signal is equivalent to a signal with amplitude modulated by the frequency deviation. 理论推导证明,在全数字接收机条件下,载波频偏对于理想FM解调拾出信号的影响相当于对其进行了幅度调制。