Influence of acoustic amplifier on performance of thermoacoustic engine Analysis and Research for Noise Intensity of Heat Exchanger in Radiator of Graders 声学放大器对热声发动机性能的影响平地机水箱换热器噪声声强分析研究
Cassette recorder, equipped with or designed to be attached to acoustic devices and an electric amplifier 盒式磁带录音机,装有或专门连接声学装置和放大器
The relationships among oscillation frequency, pressure wave amplitude ( ratio) and the size ( length and diameter) of the acoustic amplifier are obtained. 得出了系统频率、压比等参数随声学放大器尺寸的变化关系。
Research of Underwater Acoustic Power Amplifier and Broadband Matching Technique 水声功率放大器与宽带匹配技术研究
This thesis is primarily concerned with acoustic amplifier. 本文的研究重点是声学放大器。
When the acoustic resistance of the load is fixed, oscillating frequency, heating temperature and input power to RC load will increase along with the increase of the length of the pressure amplifier in a certain range. 在负载的声阻固定的情况下,一定范围内振动频率、加热温度、负载入口声功随着压力放大器长度的增大而增大;
The principle of the "acoustic amplifier" was discussed. 讨论了声学放大器的原理。
A Primary Research on the Inverse Acoustic Radiation Problem of Cylinder Source Solution of the inverse of high-power multi-pass amplifier with improved successive iteration method 对柱状声源声辐射逆问题的探讨高功率多程激光放大系统逆问题研究
Acoustics Principle Analysis, Numerical Simulation and Experimental Investigation on an Acoustic Pressure Amplifier Based on acoustics principle, for an ideal one quarter wavelength acoustic pressure amplifier with one end open and the other closed, a much bigger pressure ratio could be obtained at the closed end. 声压放大器的声学原理分析及数值模拟和实验研究从声学原理出发,分析得出对于一根长四分之一波长的理想声压放大器,可以在其封闭端得到一个明显高于开口端的压比。
This paper discussed the energy requirement and external interfaces of acoustic beacons, and then introduced every components including driving signal generator, power amplifier and transducer matching and so on. 本论文从总体上讨论了声信标的能源需求,外部接口等,然后讨论了声信标电子平台的各个组成部分,分别介绍了驱动信号生成器,功率放大,换能器匹配等模块。