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- audio frequency circuit 声频电路
- 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
- Radio frequency circuit design II. 射频电路设计2。
- 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。
- Purpose: Audio frequency power amplifier applications. 用途:用于音频功率放大。
- Familiar with high frequency circuit and mobile basic theory. 熟悉高频电子线路、移动通信基本原理。
- 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；
- On the base of reducing the problem, this paper put forward the idea improving bonding circuit to automatic block with audio frequency shift modulated track circuit and other signal equipmemt on the Hu Hang and Zhe Gan line. 在减少自动闭塞初期故障的基础上，对沪杭、赣线移频自动闭塞与其他信号设备的结合电路，提出了改进意见和实施措施。
- In this paper,the upper side audio frequency modem used in the power line carrier-current communication is discussed,the bit phase locked circuit and its principle are also introduced. 介绍了应用于电力线载波通信的上音频段调制解调器,并详细说明了位锁相电路及工作原理。
- 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
- A twist wire connected with multicircuit or variable frequency circuit board is winded on the industrial pipeline. 远处有多匝与变频电路板连接的螺旋状电线缠绕在工业管道上。
- 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；
- A quadrupler frequency circuit is applied to take advantage of the inherent resolution of encoders, and improve the counting precision effectively. 文章介绍了马丁代克的四倍频脉冲检测电路,充分利用编码器的固有分辨力,有效提高深度计数的精度。
- 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。
- With steep increase of the frequency circuit,the speed of memory read/write operation in SOC system needs to improve correspondingly. 在SOC系统级芯片中,存储器占有很重要的地位。随着电路频率的提高,存储器的读写操作速度也要求相应的加快。
- 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。
