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- 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.
- 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。
- 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。
- zero cross detect 过零点检测
- zero crossing detection of back EMF 反电动势过零检测法
- zero cross detection 过零检查
- ZERO CROSSING DETECTION FOR BLOOD FLOW VELOCITYMEASUREMENT WITH DOPPLER ULTRASOUND 超声Doppler血流测量中的过零检测
- 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。
- zero crossing detection 零交叉检波
- zero cross ratio average in short time 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。
- 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;
- 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。
- It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
- 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。
- Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
- 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。
- A mule is a cross between a horse and an ass. 骡是马和驴交配而生的杂种。
- The Red Cross dealt out food to hungry soldiers. 红十字会把食物分发给饥饿的士兵。