heart sound amplifier

用法例句

Experiments on standing-wave thermoacoustically driven RC load with an acoustic pressure amplifier( APA) have been carried out.

进行了带声压放大器的驻波型热声驱动RC负载的实验研究,在实验中观察到频率跳变现象,根据驻波型热声系统的运行模式,对跳频现象出现的声阻范围、跳频现象随加热功率的变化关系以及跳频现象和声压放大器长度的关系进行了归纳和总结。

Experimental study was performed on a single-stage double-inlet pulse tube refrigerator driven by a standing-wave thermoacoustic engine through an acoustic pressure amplifier.

开展了采用声压放大器结构的驻波型热声发动机驱动单级双向进气型脉管制冷机实验研究,考察了声压放大器长度对热声驱动脉管制冷特性的影响。

Development of an improved acoustic amplifier for thermoacoustic engine;

热声发动机用声学放大器的改进研究

Influence of acoustic amplifier on performance of thermoacoustic engine;

声学放大器对热声发动机性能的影响

In order to improve the driven pressure ratio of the pulse tube cooler, an acoustic amplifier was employed to couple the engine and the cooler.

本文在实验室现有行波热声发动机的基础上,运用线性热声理论对两级脉管制冷机进行了设计,并用声学放大器对热声发动机和脉管制冷机进行耦合,提高脉管制冷机的驱动压比,从而获得了41 K的低温,这是目前热声驱动脉管制冷机所获得的最低制冷温度。

quadraphonic amplifier

四声道立体声放大器

Design of 2.4G CMOS Low Noise Amplifier

2.4G CMOS低噪声放大器设计

Research and Design of LNA and MIXER

低噪声放大器和混频器的研究与设计

Millimeter Wave Large Dynamic Wide Band Monolithic Low Noise Amplifier

毫米波大动态宽带单片低噪声放大器

Research of CMOS Low-Noise Amplifier for Wireless Receivers;

无线接收机用CMOS低噪声放大器的研究

Study of Ultra Wide Band Low Noise Amplifier with CMOS Process;

超宽带CMOS低噪声放大器的研究

The Study and Design of LNA for GPS Receiver;

GPS接收机低噪声放大器的研究与设计

Research of RF Broadband LNA Based on SiGe BiCMOS Process;

SiGe BiCMOS射频宽带低噪声放大器技术研究

Design and Simulation of 2.45 GHz CMOS LNA;

2.45GHz CMOS低噪声放大器设计与仿真

Design and Simulation of Low Noise Amplifier for General Cell;

“微型核”低噪声放大器的设计与仿真

Design of Low Power RF CMOS Low Noise Amplifier;

低功耗RF CMOS低噪声放大器的设计

The Study of High Frequency SiGe Heterojunction Bipolar Transistors (HBT) Low-noise Amplifier;

高频SiGe HBT低噪声放大器的研究

Microwave Low Noise Amplifier Analysis and Study;

微波低噪声放大器的理论分析和设计

audio-frequency amplifier

声频放大器音频放大器

sound IF amplifier tube

声频信号中频放大器

Influence of acoustic amplifier on performance of thermoacoustic engine

声学放大器对热声发动机性能的影响

A Design of Small Preamplifier for Electret Microphone

驻极体传声器小型前置放大器的设计

an amplifier that intensified these electrical impulses; and a loudspeaker that converted the amplified signals Back into sound

增强电脉冲的放大器和将放大信号还原成声的扬声器。