1.
Relationship between the echolocation frequency and body size in six species (Chiroptera:Vespertilionidae)
蝙蝠科六种蝙蝠回声定位声波频率与体型的相关性
2.
Correlation Analysis of Nose Leaf Width and Echolocation Domain Frequency in Rhinolophus Bats;
菊头蝠科蝙蝠鼻叶宽与回声定位声波主频率的相关分析
3.
In terms of pitch, bats produce echolocation calls with both constant frequencies and varying frequencies that are frequently modulated.
关于音调，蝙蝠用恒定频率和频繁调整的变化频率发出回声定位的叫声。
4.
Characters of Echolocation Calls in Myotis macrodactylus
大趾鼠耳蝠回声定位声波特征与分析
5.
Suppose the speakers both emit a pure sinusoidal sound wave of constant frequency.
假定两个扬声器都发射恒定频率的纯正弦声波。
6.
The middle part of an audio frequency.
中声频，中频声波频率的中间部分
7.
An X band Low Phase Noise Wideband Frequency Synthesizer
X波段宽带低相位噪声混频锁相频率源
8.
Design of a Microwave Frequency-Hopping Synthesizer Based on Phase Noise Analysis
基于相位噪声分析的微波跳频频率合成器设计
9.
Spectrum Characteristics of Echolocation Call and Frequency Tuning of Inferior Collicular Neurons in Hipposideros armiger
大蹄蝠回声定位信号特征与下丘神经元频率调谐
10.
Study of the Echolocation Calls of Rhinolophus Ferrumequinum in Different Habitats;
马铁菊头蝠不同生境回声定位声波研究
11.
Echolocation Calls and Summer Foraging Strategy of Rhinolophus Macrotis;
大耳菊头蝠回声定位声波与夏季捕食策略研究
12.
The Geographic Variation among the Echolocation Calls of Hipposideros Armiger in Different Locations
大蹄蝠不同种群回声定位声波地理差异研究
13.
The wing shape and echolocation calls of Ricketti's big-footed bat(Myotis ricketti)
大足鼠耳蝠的翼型和回声定位声波特征
14.
Characteristics and Analysis of Echolocation Calls by Eptesicus serotinus andersoni
大棕蝠江南亚种回声定位声波特征与分析
15.
Analysis on Factors Affecting Frequency Stability of SAW Oscillators
影响声表面波振荡器的频率稳定性因素分析
16.
Broadband: A band of light wave or sound wave with a wide range of frequencies.
阔波段:频率范围广的一段光波或声波。
17.
Contrasting analysis of clutter and noise of frequency modulation broadcasting with echo power of target
调频广播台杂波和噪声与目标回波功率对比分析
18.
A process for determining the location of objects by emitting sound waves and analyzing the waves reflected back to the sender by the object.
回声定位法一种通过先发出声音，然后分析被物体反射回发送者的声波并决定物体方位的方法