1.
The animal uttered a series of low cries that seemed synchronous with its heartbeat.
这只野兽发出一连串似乎与它的心跳频率一致的低吼声。
2.
The heartbeat is the frequency that points to heart throb, namely minutely jumpy how many times.
心率是指心脏搏动的频率，即每分钟跳动多少次。
3.
jittered pulse recurrence frequency
跳动的脉冲重复频率
4.
Design of Frequency Hopping Synthesizer in Frequency Hopping Transceiver
跳频收发系统中的跳频频率合成器设计
5.
center frequency
中心频率未调制频率
6.
an electronic device that monitors fetal heartbeat and the mother's uterine contractions during childbirth.
分娩时监视胎儿心跳和母体子宫收缩频率的电子装置。
7.
Research and Design of Frequency Hopping Synthesizer Based on DDS;
基于DDS的跳频频率合成器研究与实现
8.
Design of Frequency Synthesizer for Shortwave Band Frequency Hopping Based on DSP
基于DSP的短波跳频频率合成器的设计
9.
A Prediction Method of FH Frequency based on Degree of Incidence
一种基于关联度的跳频频率预测方法
10.
Intermediate frequency amplifier center frequency
中频放大器的中心频率
11.
Analysis and realization of wide-band frequency synthesizer in hopping communications
跳频通信宽频段频率合成器的分析与实现
12.
Low Power Wireless Frequency Hopping Radio and Study on Synchronization Technology
低功率无线跳频电台及同步技术研究
13.
Development of a Power Amplifier for VHF Frequency-hopping Communication System
VHF跳频通信系统功率放大器的研制
14.
The Influence to the FH System Caused by Phase Noise of Frequency Synthesizer
频率合成器相位噪声对跳频通信系统的影响
15.
Effects of Frequency Relative Timedelay on HF High Speed FH System
频率相对时延对短波高速跳频系统的影响
16.
A Wideband Frequency Synthesizer for Fast Hopping Based on DDS;
基于DDS的宽带快速跳频频率合成器的设计
17.
Research on the Synchronization Acquisition Technique for Shortwave Frequency-Hopping Communication Using Frequency Estimation;
基于频率估计的短波跳频同步捕获技术的研究
18.
Design and Analysis of the Fast Frequency Hopping Synthesizer Based on DSP;
基于DSP的快速跳频频率合成器的设计与分析