过零点
网络释义专业释义
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zero-crossing - 引用次数：29
Zero-crossing algorithm is used to get the system frequency. To avoiding the disadvantageous influence of distorting waveform to the zero-crossing point, filter around working frequency is added.
频率的测量选用过零点检测法。
参考来源 - 电能质量监测系统厂站装置的研究zero cross - 引用次数：4There,microcomputer control system continuously adapt voltages, currents, temperaturesand so on, and it compute the zero cross of the voltage when get the close command. Thereby, we get the sending time of control signals.
微机控制系统不断采集电压、电流、温度等参数,在收到合闸命令时,检测电压过零点的时刻,并根据当前的环境温度、控制电压等计算出断路器的合闸时间,从而确定发出合闸控制信号的时刻。
参考来源 - 基于永磁机构的智能选相真空断路器的研究和应用across-zero point - 引用次数：3Fundamental wave frequency can be obtained from sampling data by across-zero point method. Then, the author accomplishes electric parameters calculation and spectrum analysis.
先采用过零点法从采样数据中得出基波频率，然后进行电参数的计算和频谱分析，并对栅栏效应、频率混叠和频谱泄漏等问题进行了讨论。
参考来源 - 变频调速系统功率分析仪的研究
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双语例句原声例句
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设计了一种新的软硬件相结合的方法去检测反电动势过零点。
Firstly, a new zero-crossing detection method with software comparing with hardware is designed.
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在阈值计算过程中，还用到一种基于过零点边缘检测技术的边缘追踪算法。
A new edge tracking algorithm based on zero-crossing edge detection technique is applied in the process of threshold computing.
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文章作者研究开发的过零点电压比较法（ZCPV法）已能够满足这一要求。
The zero cross point voltage comparing method (ZCPV method) developed by the authors can meet the above mentioned requirements.
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So I said before when we were talking about single atoms, we always define the zero energy as when an electron was actually ejected, but now, when we talk about chemical reactions taking place, it's very, very rare that we're actually going to be talking about anything that gets to this point here.
我之前说过，当我们讨论单个原子的时候，我们总是把零点能,定在电子被发射出去以后，但是现在，当我们讨论化学反应发生的时候，非常非常罕见出现，确实达到,这种程度的情况。
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