telephone frequency

The dielectric resonators illustrated with examples have been applied to duplexer for the cellular mobile telephone and frequency stabilizer for oscillator.

最后举例说明介质谐振器在蜂巢式便携电话中的双工器及稳频振荡器方面的应用。

Principle Analysis and Fault Estimation of Double Audio Frequency Telephone set's Dialing Integrate Circuit

电话机双音频拨号集成电路原理及故障判断方法

For the requirements of the signal-to-noise ratio of lower in part of telephone channel the algorithm to convergence in the time domain and frequency domain step by step.

针对部分线路上语音信噪比较低的实际，引入谱熵进行分级检测，将算法在时域和频域逐级进行收敛。

I'd like to use your VHF Very High Frequency telephone to contact our company.

我想用一下你的高频电话同公司联系一下.

With the quantity unceasingly grows, telephone, facsimile, modem and computer are demanding more and more high to the band width, to transmit the Gbit digitized information ( video frequency, picture, constructs model procedure as well as data and pronunciation and so on).

数量不断增长的电话、传真、调制解调器和计算机，它们对带宽的需求越来越高，以用来传送吉比特数字化信息（视频、图像、建模程序以及数据和语音等）。

The paper introduced a method of solving the fixed frequency assignment problem in cellular mobile telephone communication, which is based on an immune genetic algorithm.

本文介绍了一种基于免疫遗传算法的蜂窝移动通信固定频率分配方法。

The test methods for 60-channel symmetrical cable carrier telephone equipment high-frequency channel

GB/T4770.3-1984对称电缆60路载波电话设备主要性能的测试方法