zero cross的例句大全

If the two signals are random, the cross-correlation is zero.

倘若两个信号都是随机的, 则 互相关系数 为零.

Binaural Sound Localization Based on Detection of Multi-band Zero-crossing Points

基于分频过零点探测的双耳声源定位

The zero-cross modulation technology uses existing power distribution network as transmision carrier.

过零调制技术完全利用现有电力网络为传输载体,无需额外增加系统设备,成本低廉.

We used the AEQ method based on zero-crossing rate to control acoustic feed-back. 4.

用基于过零率的AEQ方法进行声反馈控制。

The algorithm is robust about noise, rotation and so on. And it has strong security and uniqueness. ( 2) Based on the perceptual hashing of the speech ZCR ( zero-crossing rate) and speech centroid, a speech content authentication algorithm is proposed.

算法对旋转、噪声是鲁棒的，同时也具有较强的安全性与唯一性。（2）根据语音过零率及质心特征，设计了一种基于感知哈希的语音内容认证算法。

The stability against playback speed modification of ZCR ( zero-crossing rate) of audio signal is confirmed by theoretical analysis and experiments.

分析并通过实验验证了音频信号的过零率对回放速度修改这种去同步攻击的稳定性。

Abstract: Zero-crossing edge detection method was analyzed.

文摘: 讨论二阶导数过零边缘检测方法.

A zero-crossing derivative spectrophotometry method is established for the determination of ofloxacin in ofloxacin glucose injection.

用零交导数分光光度法测定氧氟沙星葡萄糖注射液中氧氟沙星的含量.

the application of zero-crossings of laser speckle for real-time monitoring of velocity of lymph flow.

散斑跨零点法在实时监测淋巴流速中的应用。

Short-time average energy, short-time average zero-crossing rate and short-time energy-zero-product are introduced.

介绍了 短时 平均能量法 、 短时 平均过零率法和 短时 能零积法三种语音端点检测法.

the algorithm of measuring zero-crossings can better draw the characteristic parameters ofthe pulse signal.

提出了过零点检测算法，提取了脉搏信号的特征值。

A static hysteresis loop test instrumentation is developed, detecting pulse peak by method of cross-zero of pulse peak after differential, acquiring data by microcontroller, displaying hysteresis loop by graphic LCD The test instrumentation has advantages of simple circuit, accurate measurement and visual result.

用脉冲峰值微分过零法检测峰值，单片机采集数据，图形液晶显示磁滞回线，研制静态磁滞回线测试仪，电路简洁，测量准确，结果直观。

The new methods can rapidly and efficiently obtain the informations of a real sinusoidal signal's phase on time domain or frequency domain by zero-crossings or FFT transforming. The modified methods can extend the threshold SNR of frequency estimation, and it is easily implemented.

新的修改算法利用零交越或FFT变换，能快速有效地在时域或频域上得到实正弦信号的相位信息，改善了频率估计的SNR阈值，且便于工程实现。