frequency channel的例句大全

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。

In order to resolve source shortage of television tower, adopting frequency modulation and television multi-channel with total tower.

为了解决发射塔资源短缺问题，可采用调频和电视多频道共塔技术。

During the procedure, from PN code domain, spatial domain, temporal domain and frequency domain, the method can simultaneously suppressed the MAI, ISI and Doppler frequency interference in the channel, which greatly improved the interference suppression ability of smart antennas.

在算法处理过程中，可同时从码域、空域、时域和频域对信道中的多址干扰、符号间干扰和多普勒频率干扰进行抑制，大大提高了智能天线抗干扰性能。

In addition, the paper gives the effects of mobile terminal speed 、 data transmission rate 、 ground evironment and carrier frequency on the channel transmission efficiency.

对移动终端的速度、数据传输速率、地面环境及载波频率对信道传输效率的影响作了探讨。

Some of the laboratory report data mainly comes from the test engineer to electromagnetic compatible rf test data, is mainly to the specific channel and frequency band on test.

实验室的一些报告数据主要来自于测试工程师对电磁兼容射频测试的数据，主要是对特定的通道和频段进行测试。

This paper treats of frequency stability of conventional 12-channel carrier transmitters as used in collieries, with particular reference to the considerable variations of underground transmission line impedance and fluctuations of supply voltage.

本文根据煤矿井下载波传输线路阻抗变化大、电源电压波动大的特点，针对传统的矿用十二路载波发射机，讨论了其振荡频率（即发射频率）的稳定性问题。

Comparing with the existing synchronization algorithms based on the interspersed pilots, this algorithm utilizes the channel estimation results, and is able to eliminate the time and frequency synchronization bias caused by the dispersive wireless channel.

和已有的基于内嵌导频子载波的时间和频率同步算法相比，该算法充分利用了信道估计的结果，消除了时变信道对时间和频率同步带来的偏差，达到了更好的同步性能。

How to get the real time channel frequency response in power line OFDM communications by use of the characteristics of power line channel is discussed. The method has been evaluated by an experiment and proved efficient and effective.

文中介绍了利用电力线信道的性质，在OFDM通信中实时获得信道传输特性函数的方法，并通过实验证实了该方法的有效性。