1.
directional frequency response of microphone
传声器指向性频率响应
2.
directional frequency characteristic of microphone
传声器指向性频率特
3.
pressure frequency response of microphone
传声器声压频率响应
4.
free-field frequency response of microphone
传声器自由场频率响应
5.
diffuse-field response of microphone
传声器扩散声场频率响应；传声器扩散场响应
6.
Advantages of Frequency Specific Tri-microphone Binaural Wireless Hearing Aid Technology
频率特异性三指向性麦克风在助听器中的应用
7.
Measurement of the Fequency Response of a Loudspeaker Using Butterworth Impulse
用Butterworth脉冲测量扬声器的频率频响特性
8.
The application of frequency division technique in parameter measurement for SAW sensor
分频技术在声表面波传感器频率测量中的应用
9.
Influence of physical properties of filler on resonant frequency of thermoacoustic apparatus
填料物性对热声器件谐振频率的影响
10.
frequency response characteristics
频率响应特性（图）
11.
Audio directional loudspeaker is a novel loudspeaker which can generate an audio signal with high directivity by utilizing the parametric array principle.
声频定向扬声器是利用参量阵原理，产生高指向性声频信号的新一代扬声器。
12.
The higher the acoustic frequency is, the stronger its directivity is.
而且所有声频均有指向性,声频愈高,指向性愈强。
13.
Overall electro-acoustic frequency response for repro duction of 35mm optical sound track-Reproduction characteristics
GB/T13157-199135mm影片光学声迹的还音电声频率响应特性
14.
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
15.
Design of Microphone Directivity Measurement System Based on Virtual Instrument
基于虚拟仪器的传声器指向性测量系统
16.
EFFECT OF THE FREQUENCY OF ACOUSTIC CEMENT BOND LOGGING TOOL ON THE ACOUSTIC CHARACTERISTICS OF CEMENT STONE
声波水泥胶结测井仪器频率对水泥石声学特性的影响
17.
Comparison Between Two Kinds of Directional Microphone With Parabolic Configurations
两种抛物面形状的指向性传声器的比较
18.
Overall electro-acoustic frequency response for reproduction of magnetic stripe sound records on 70mm motion-picture release prints--Reproduction characteristics
GB/T14000-199270mm电影涂磁发行拷贝上磁性声迹还音电-声频率响应特性