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- I am majored in audio frequency amplifier. 我主修音频放大器。
- The middle part of an audio frequency. 中声频,中频声波频率的中间部分
- Purpose: Audio frequency power amplifier applications. 用途:用于音频功率放大。
- Scene supervisory system and audio frequency retransmission system; e. 现场监控系统及视音频转播系统;
- Purpose: Audio frequency general purpose ,driver stage amplifier applications. 用途:用于音频放大,激励级放大。
- Can control audio frequency signals remotely,the volume can be modulated. 可对各路音频信号进行远程操控,音量可调;
- Methods:ATL HDI 5000 ultrasonic system with L12 5 superwide frequency transducer was available. 方法 :采用ATL HDI 5 0 0 0超声诊断仪 ,L12 5超宽频探头。
- Methods HDI 5000 Sono CT system and C5~2 superwide frequency transducer performed 3D-CPA examination in 30 hepatic carcinomas and 24 hemangiomas. 方法对30个肝癌结节和24个肝血管瘤结节进行三维血管能量成像,使用仪器为HDI5000 Sono CT彩色超声诊断仪。
- An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment. 啸声干扰一种由于诸如闪电等大气干扰而产生的音频电磁波,具有典型的逐渐减弱频率的特征,该频减引起了检波设备中调逐渐下降的啸声
- The main hardware of multi-media computer is composed of CD-ROM, video frequency, audio frequency. 多媒体计算机的主要硬件包括:CD-ROM(光盘驱动器)、视频卡和音频卡。
- The audio frequency alternately service system(VOD), and indoors viewability bill inquiry service. 视音频交互服务系统(VOD),提供客房内可视性帐单查询服务;
- Also there is no "Ghosting" or reflective signals that occur as there is no audio frequency being transmitted. 观察这一次的锁定方向,两个方向的交叉点就是目标物的埋藏位置。
- This paper introduces the principle and tested results of measuring nodulizing grade by audio frequency method. 介绍了音频法检测铸件球化级别的原理及试验结果。
- Through the music switcher, music play mode and audio frequency mode can be chosen, which have a very good effect. 通过音乐开关可选择音乐播放、音频方式治疗,有很好的治疗效果。
- Methods ATL HDI 3000 ultrasonic system with C 4 2 superwide frequency transducer was available. Fifty eight cases were examined by 3D CPA and classified by TNM stage in order to assess prognostic value of 3D CPA for PLC. 方法 采用ATL HDI30 0 0超声仪 ,C4 2 超宽频探头 ,对 5 8例肝癌进行三维彩色血管能量成像 (3D CPA)检查 ,并对其进行TNM分期 ,以评价 3D CPA在肝癌预后评估中的价值。
- Including tabulates the window, the audio frequency characteristic adjustment function, imitates winamp. 详细说明:完整的MP3播放器源码。包括列表窗口,音频特性调整功能,仿照winamp。支持换肤。
- The reason for usual fault of the frequency transducer was analyzed overall. Disposal method of faults was discussed. Correlative example of analysis and disposal on the faults was related. 全面分析了变频器常见故障产生原因,论述了出现故障后的处理方法。介绍了故障分析处理的相关实例。
- A new method for power measurement of audio frequencies is introduced. 介绍了一种音频范围内功率测量的新方法。
- Signal demodulation of automatic block with audio frequency shift modulated track circuits was implemented with phase-locked loop( PLL) technique and a singe chip microcomputer. 利用锁相环(LL)窄带跟踪特性;与单片机结合;实现自动闭塞系统移频信号解调.
- It solves the problem that the dynamic range of SPL is large within audio frequency range by adopting logarithm compress and A/D converting circuit. 该系统采用对数压缩电路和A/D转换电路相结合的方法,解决了SPL值在音频域内的动态范围很大的问题。