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1·Intermediate frequency instability has had the most uneven history.

中频不稳定性的研究经历了极为曲折的道路。

2·Low and intermediate frequency instability models are taken up first.

首先处理低频和中频不稳定性的模型。

3·The intermediate frequency circuit includes QPSK modulation based on HFA3724, PLL circuit based on MB1502.

中频部分主要由HFA3724正交调制解调器和基于MB1502的锁相频率合成电路等组成。

4·The pure quartz lump becomes quartz tube via untouched technology of intermediate frequency induction heating.

采用中频感应加热无接触技术，将石英净坨拉制成为石英管。

5·The experiment of the first intermediate frequency FM FDM video signal from Asia satellite l was demonstrated.

系统进行了以传输亚洲一号卫星信号地面接收站第一中频多路电视信号为目标的现场实验。

6·Computerized Intermediate Frequency therapy Apparatus is one of the most useful electrotherapy units in clinical.

电脑中频治疗仪是一种在临床被广泛应用的电子康复治疗设备。

7·A feasible digital intermediate frequency receiver based on software radio technology is presented in this paper.

基于软件无线电思想介绍了一种可行的中频数字化接收机系统设计方案。

8·Methods 107 cases with scapulohumeral periarthritis were treated by modulation random intermediate frequency current.

方法采用调制随机中频电流机治疗肩周炎患者107例。

9·While the Digital Intermediate Frequency technology is one of the pivotal technology in the wireless base station system.

而数字中频技术是无线基站传输系统中的关键技术之一。

10·The most important secret messages are hidden in intermediate frequency, which can resist normal JPEG compressing attack.

最重要秘密信息隐藏在中频，能够抵抗正常的JPEG压缩攻击。

中频

1·The pure quartz lump becomes quartz tube via untouched technology of intermediate frequency induction heating.

采用中频感应加热无接触技术，将石英净坨拉制成为石英管。

2·Conventional dual up-conversion transmitter usually employs an intermediate frequency (IF) mixer and a radio frequency (RF) mixer to convert baseband user signal to IF and RF in sequence.

传统双上变频发射器通常采用中频(IF)混合器和射频(RF)混合器将基带用户信号依次转换成IF和RF。

3·Intermediate frequency instability has had the most uneven history.

中频不稳定性的研究经历了极为曲折的道路。

4·The system design method proposed by the paper examines the frequency tracking accuracy of the frequency agile radar synthesis detection unit at intermediate frequency.

本文提出了通过系统设计的方法将频率捷变雷达综合测试仪频率跟踪精度的检定在中频进行。

5·And the application in intermediate frequency digital receiver proves this software system's efficiency and dependability.

在中频数字接收系统中的应用验证了此软件系统的效率和可靠性。