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- And it searches much further for the unvoiced frame according to the ZCR(zero crossing rate),which is differ from unvoiced frame to background frame. 根据背景音和静音过零率的不同,进一步搜索符合要求的静音帧;
- Zero Crossing Rate 过零率
- zero cross rate 过零率
- The display system "looks" for the zero crossing of the sync pulse. 终端显示系统将识别这个同步脉冲的过零跳变。
- short time average zero - passed rate 短时平均过零率
- The BEMF zero crossing comparators are disabled during open-loop sped-up until the target velocity is reached. 反电动势的过零检测开始是没有被使能的，直到电机转子的速度达到了一定的速度。
- LFMCW radar nonlinear residual frequency errors zero crossing detection periodogram. 标 签 LFMCW雷达 非线性剩余频差 过零检测 周期图.
- Average Level Crossing Rate (LCR) 平均电平交叉率
- Wavelet transform zero crossing detection method can be used for the coding and recognition of human iris. 使用小波变换过零检测算法可实现人眼虹膜图像的编码和识别。
- zero cross ratio average in short time 短时平均过零率
- May include some or all of the following: SAG and Peak detections, Peak level recording, Line Period measurement and Zero Crossing Detection. 可能包括下列功能中的部分功能或者全部功能:SAG及峰值检测,峰值记录,周期测量及过零检测。
- While channel modelsprovide information on fading depth, Level Crossing Rate (LCR) andAverage Fade Duration (AFD) are quantities that indicate thesignal changing rate. 信道模型提供了关于信号衰落深度的信息，而表征信号衰减变化快慢的物理量则是电平通过率和平均衰落时间。
- When the target velocity is reached, the BEMF zero crossing comparators are enabled before leaving the open-loop speed-up subroutine. 到这时，反电动势过零比较电路才开始工作直到电机启动结束。
- The conventional back-EMF zero crossing method was restricted by hardware and control method,and to improve the detecting circuit reduce the influence. 常规反电势过零检测电路由于受到硬件及控制方法的影响,过零点信息不够准确而且有较大的滞后,通过对检测电路的改进来减小这种影响。
- Broken cross rate cross-reference clause A clause in a Bank loan document referring to a loan by a commercial bank. 相互参照条款世界银行贷款文件中参照一项商业银行贷款的条款。
- With Brushless DC(BLDC) motor to control special MCU, and ?the technology of zero crossing of back-electromotive force (BEMF),it achieves the control of BLDC's sensorless. 采用专用的无刷直流电机控制单片机，应用反电动势过零检测技术,实现无刷直流电机无位置传感器的控制。
- The zero crossing signal of the true phase back EMF can be directly obtained from the motor terminal voltage by properly choosing the PWM and switch control strategy. 该方法不需要引出电机中性点,通过选择PWM和导通控制策略,就能直接从电机端电压获得反电势过零点信号。
- SUONAN Jia-le,GE Yao-zhong,WANG Ding-an,et al.A new frequency measurement algorithm uninfluenced by zero crossing of voltage[J].Proceedings of the EPSA,1996,8(4): 19-21. [1]索南加乐;葛耀中;王定安;等.;一种不受电压过零点影响的新型频率测量方法[J]
- The performances and characteristiss of the zero crossing digital demodulation is ana lysed through the comparison of various ways of Fsk signal digital demodulation. And ideal conclusion is reached. 对各种频移键控信号的数字解调方法进行了研究和比较，并重点分析了零交点数字解调法的性能特征，最后得出了一个最佳结论.
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
