高频心电图
high frequency electrocardiogram
High frequency ECG
high freqency
HFECG
high frequency electro cardiograph HFECG
高频心电图信号
high frequency electrocardiogram signal
交流电心电图机
alternating current electrocardiograph
二维时域／频域编码
2-D time wavelength code
2-dimensional wavelength-time code
频谱心电图
frequency-domain electrocardiogram
频域电磁法
frequency domain electromagnetic method
频域电磁系统
frequency-domain electromagnetic system
频域电压驻波比
frequency domain voltage standing wave ratio
频域图像配准
frequency domain image registration
时域-频域
time domain-frequency domain
时域频域分析
Time-domain and frequency-domain analysis