1.
The electromechanical coupling field of stator vibration is analyzed by finite element method.
应用有限元法对电机定子振动过程中的机电耦合场进行分析，提取超声频段的振动模态。
2.
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。
3.
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
4.
In the equivalent electrical network the acoustical mass of acoustic leaks is very important for impedance over the range from 250 to 1000Hz under the leakage conditions.
在250～1000赫频段内,声阻抗主要由它决定。
5.
Design of LNA and Mixer for Dual-Band RF Front Ends;
双频段射频前端低噪声放大器和混频器电路设计
6.
Research and Design of a Dual-band Low-noise Amplifier in 802.11 a/b/g Application;
基于802.11a/b/gCMOS双频段低噪声放大器的研究与设计
7.
Design of Dual-Band LNA for GPS and Beidou Dual-Mode Receiver
GPS、北斗双模用户机双频段低噪声放大器设计
8.
Research on IF Phase Noise Cancellation in W-Band Receiver Front-End
W波段接收机前端中频相位噪声抵消技术研究
9.
Multi-Parameter Estimation of Wide-Band Signals in Impulsive Noise
冲击噪声背景下宽频段信号的多维参数估计
10.
A Novel Dual-band CMOS Low Noise Amplifier for Wireless LAN Applications
用于无线局域网的双频段低噪声放大器
11.
Multi-band fault diagnosis system and its application in the maintenance of acoustic logging tools
多频段故障检测系统在声波仪器维修中的应用
12.
High frequency control of acoustic test of FY-2 satellite
“风云二号”卫星噪声试验高频段控制问题研究
13.
Vibrations of Revolution Shells in Turning-Point Range and Applications in Loudspeakers;
旋转薄壳在转点频段内的振动及其在扬声器中的应用
14.
Clinical Application and Risk Assessment of High-frequency Ultrasound Detection on Extracranial Carotid Artery Disease
高频超声检测颅外段颈动脉在临床疾病中的应用及危险度的评价
15.
Long Time Delay Echo Cancellation Algorithm Based on Partitioned Block Frequency Domain Adaptive Filter Algorithm
基于分段块频域自适应滤波算法的长延时回声消除
16.
The Design of A Low Noise S-band Dielectric Resonator Oscillator
基于DRO耦合技术的S频段低噪声振荡源的设计研究
17.
Multi-Parameter Estimation of Wide-Band Coherent Signals in Colored Noise
色噪声背景下宽频段相干信号多维参数联合估计的算法
18.
The middle part of an audio frequency.
中声频，中频声波频率的中间部分