有效值

yǒu xiào zhí
  • Valid value;effective value;virtual value
有效值有效值
有效值[yǒu xiào zhí]
  1. 反馈回路主要由分压电路,有效值检波电路和AD转换电路三部分组成。

    Feedback loop consists of a voltage divider , an effective value demodulation circuit and an AD converting circuit .

  2. 基于MSP430的点焊电流有效值检测系统

    A Detecting System of Spot Welding Current Effective Value Based on MSP430

  3. @using&该属性的惟一有效值是SQL。

    Using & The only valid value for this attribute is SQL .

  4. 以有效值计算的热声键合PZT换能器阻抗分析

    Impedance analysis of PZT transducer by RMS method for thermosonic bonding

  5. 在shell脚本中,注释的另一个极其有帮助的用途是,解释变量的有效值以及解释返回码的含义。

    Another extremely helpful use for comments in shell scripts is to explain what variables may be as well as explaining return codes .

  6. 利用峰峰值P矩阵和有效值P矩阵模拟了纵向耦合谐振结构以及阻抗元结构的声表面波滤波器的频响。

    The peak to peak values P matrix and the effective values P matrix are used to simulate the frequency responses of the LCRF structure and IEF structure SAW filters .

  7. 提出一种基于快速傅里叶变换FFT(FastFouriertransform)准确测量系统频率的算法,并考虑了被测量系统频率的电压信号有效值的波动对系统频率测量准确度的影响。

    A FFT ( Fast Fourier Transform ) based algorithm for frequency measurement of power system taking amplitude and phase fluctuation of signal into consideration .

  8. 另一个有效值是CONNECTION,它将保留连接,但是不保留会话,还有一个有效值是NONE,它既不保留连接,也不保留会话。

    Other valid values are CONNECTION , which preserves the connection but not the session , and NONE , which preserves neither the connection nor the session .

  9. 对比两种P矩阵的模拟结果,说明了峰峰值耦合模方程和有效值耦合模方程分析频响的等效性。另外对频率跟随器的试验进行了分析。

    The simulated curves by the two P matrixes are compared . It is proved that the peak to peak values COM equations and the effective values COM equations are equivalent for analyzing frequency response .

  10. 介绍了峰峰值和有效值的偶合模方程,给出了峰峰值P矩阵和有效值P矩阵的表达式。

    The peak to peak values and effective values COM equations are introduced in this paper and the expressions of the peak to peak values P matrix and the effective values P matrix are also given .

  11. 有效值集为:FF(文件系统)、DB(数据库)和QUEUE(队列)。

    The set of valid values are : FF ( file system ), DB ( database ), and QUEUE ( queue ) .

  12. WB系列真有效值电量隔离传感器及其应用

    The WB TRMS Electricity Isolated Sensor and Its Application

  13. 如果一个元素的有效值是“red”、“blue”和“green”,我们想让用户对这些值可以使用任意的大写字母和小写字母组合。

    If the valid values for an element are " red ,"" blue ," and " green ," we 'd like to let our users use any combination of upper-and lowercase letters for those values .

  14. 对于您所使用的DB2服务器,可以被授予的权限是自动预先填写的,以便您可以从中选择一个有效值。

    The list of privileges that can be granted is automatically pre-filled for the DB2 server you are working on , so you can select on of the valid values .

  15. 进行电路设计,使DMM能测量出较高频率函数信号的有效值和频率。

    By circuit design DMM can measure function signal 's RMS and frequency .

  16. 通过比较模糊C均值和基于本体的模糊C均值结果的有效值,发现基因本体的应用有助于取得具有更好的类内紧凑度和类间分离度聚类结果。

    By comparing the validity of the results of fuzzy C means and ontology-based fuzzy C means , we found the application of gene ontology helps to achieve clustering with better compactness within cluster as well as better separation between clusters .

  17. 有了HATS,您就可以将复杂的界面从用户面前隐藏掉,只留下那些需要的区域,并支持有效值的下拉列表。

    With HATS , you can hide the complex interface from the user , prompt for only required fields , and supply drop-down lists of valid values .

  18. 根据点焊与单片机的特点,探索用双CPU进行点焊恒电流控制,解决利用逐点积分法计算点焊焊接电流有效值占用CPU时间多的难题。

    A method of spot welding constant current control is explored which may solve the problem of too much time spent in calculating the virtual value of welding current adopting integral point by point .

  19. 逆变控制采用SPWM方式,由数字PID调节器实现输出电压瞬时值反馈,并采用有效值调节实现稳压。

    SPWM method is adopted to control the inverter model . Digital PID adjuster is used to realize voltage loop and the value modulation is used to maintain the value of output voltage .

  20. 这些参数的有效值反映JDBCAPI支持的值(可以参考JDBCResultSetAPI页面查看受支持的值)。

    The valid values for these parameters reflect the values supported by the JDBC API ( You can check the supported values by referring to the JDBC ResultSet API page ) .

  21. 我将在这个IEPD流程的下一步骤中创建的映射电子表格中记录有效值。

    I will record the valid values in the mapping spreadsheet created in the next step of the IEPD process .

  22. 低中频治疗仪输出5s平均有效值的测量中频引出通过新颖的DGS低通滤波器滤波后输出。

    Measurement of RMS Value Averaged of 5 Seconds of Output of Nerve and Muscle Stimulators A novel DGS lowpass filter is used to purify IF signal .

  23. 如您所见,这个模式并不使用purple或orange等名称来定义元素,由于使用了扩展技术,这些名称包含在数据实例中并解析为有效值。

    As you can see , the schema does not define elements with the names purple or orange , but these names were included in the data instance and parsed as valid because of the extension technique used .

  24. 焊接控制模块主要实现电流采样、数字滤波、计算电流有效值,PID控制模块主要对电流的A/D转换值进行计算,最终得到控制角的变化量,重置晶闸管控制角。

    The main function of welding control module is current sampling , digital filtering , computing current effective value , while PID control module mainly processes AD conversion value and computes the variable quantity of pilot angle of SCRs and re-adjusts the angle .

  25. 通过理论分析,推导出交流电阻点焊电流有效值实时计算方程,建立了不同功率因数角的电流有效值系数K的神经网络计算模型,研究出电阻点焊电流有效值神经网络实时计算方法。

    It is educed the calculating equation of the current 's virtual value , and it is erected the ANN calculating model of K and the calculating method of the current 's virtual value in different power factor angle during the alternation resistance spot welding .

  26. 可以看到,调用这个方法之后,它会检查readyState,寻找有效值4。

    As you can see , the method checks the readyState after it is called , looking for a possible value of4 .

  27. 该变换器使用耦合电感的交错并联结构,实现了所有开关管在宽负载范围内的ZVS软开关;采用移相加PWM控制技术,降低了漏感电流有效值,提高了变化效率。

    By using coupled inductor interleaved structure , all the switches can achieve ZVS performance over a wide load . Phase-shifted plus PWM control technology is employed to reduce the rms of leakage current and improve change efficiency .

  28. 整个硬件系统由数字处理模块、交流有效值测量模块、ADC模块等九部分组成;系统的软件设计包括系统初始化、A/D转换、数据采集、数据处理及键盘显示等功能。

    The hardware of whole system is made of DSP module , ADC module , RMS measurement module composed of nine parts , etc. The software design include system initialization , A / D converter , data processing , keyboard and display .

  29. 这种基于占空比预测的PFC数字算法运算量较小,能直接抑制由输入电压有效值波动引起的输出电压波动,有更快的电流跟踪特性,非常适合应用于低成本的数字芯片控制中。

    This duty cycle prediction control has many advantages , such as small calculation , directly restraining the output voltage fluctuation caused by the input voltage RMS fluctuation , so it is very suitable for applying in low-cost digital chip .

  30. 构建嵌入式操作系统uclinux并在此基础上生成嵌入式电网参数监测系统。该系统可以实时测量电网频率、三相电压、电流有效值和各次谐波分量。

    Modified embedded system-uClinux and realize an embedded Power Parameter Monitor system which can measure the frequency , 3 phase voltage , current and harmonics and other parameters such as active power , reactive power etc.