frequency channel的例句大全

On the GSM frequency allocation and channel allocation, GSM mobile phone RF test items, and indicators.

讲解GSM频率划分及信道分配, GSM手机射频测试项目以及指标.

Variable audio CTCSS : can temporarily change the channel has been set CTCSS frequency.

可变音频的 CTCSS: 可以暂时改变各信道上已经设置的CTCSS频率.

DI-720 series High Speed Data Acquisition Card ( HSDAC) has the advantages of connecting to PC directly, high sampling frequency, multi-channels input, manual setting and so on.

DI-720系列高速数据采集卡具有与计算机接、采样位数多、支持多路输入并可人工设置等特点。

Design and Realization of Two-Channel Pulse to Pulse Frequency Shifting RCS Testing System

双通道脉间变频格式RCS测试系统

An adaptive orthogonal frequency division multiplexing ( OFDM) scheme is described with a simple space time coded transmit diversity for frequency selected fading channel by combining adaptive modulation with spacial diversity.

将自适应调制技术和空间分集技术有机地结合起来，提出了一种与简单空时编码发射机分集相结合的恒定比特率自适应正交频分复用（OFDM）方案。

Research on Two-Channels Pulse to Pulse Frequency Shifting Outdoor RCS Measurement Radar

双通道脉间变频外场RCS测试雷达的研究

This paper presents a method for two-channel high speed data acquisition system of adjustable frequency.

介绍了一种采样频率可调的双通道高速数据采集系统的设计方法.

However, in far-end crosstalk, its sub-channels exist still a lot of frequency spectrum overlapping and increase error-rate.

在远端串扰时，其各子信道仍然存在着较大的频谱重叠，使误码率增加。

After the rough estimation, it can acquire the frequency offset with low computing complexity, and matrix including channel information simultaneously, which are favorable for offset compensation and demodulation of received signals. Numerical simulations can illustrate the performance of this algorithm.

该算法计算量小，容易获得频率偏移量，同时可得到蕴涵信道信息的矩阵估计，有利于接收信号的频率偏移补偿和解调。

A subspace based blind channel estimation approach for zero-padding single carrier frequency domain equalization ( ZP-SC-FDE) systems is presented, which estimates the frequency-selective channel blindly in the time domain, based on zero-padding technology.

补零单载波频域均衡系统的盲信道估计方法利用系统固有的补零信息，在时域实现了频率选择性信道基于子空间的盲估计。

Measurement of BCCD Channel Potential by Means of High Frequency C-V Method

高频C-V方法测量埋沟电荷耦合器件的沟道电势

Channel impulse or frequency response estimation in real time by the BMLA/ LS technique;

通过BMLA／LS技术对信道冲激响应和频率响应的实时提取；

Into increase the capacity of channel, the frequency of carrier wave moved to higher endlessly.

为了增加信道容量, 载波频段不断地向高频方向移动.

The enemy never monitors your radio frequency until you broad _ cast on an unsecured channel.

在你使用不安全的频道发布之前,敌人都不会监听你的无线电频率.

Frequency and time dimension joint Wiener filter based channel estimation algorithm for LTE system

时频维纳滤波的LTE信道估计算法

The Study of Multi-channel and Sweep Frequency Antenna Measurement System in Millimeter Wave

毫米波多通道扫频天线测量系统

Variable audio CTCSS: can temporarily change the channel has been set CTCSS frequency.

可变音频的CTCSS：可以暂时改变各信道上已经设置的CTCSS频率。

Frequency: The more cycles per second, the more data that can be sent through that channel.

频率: 每秒转的圈数越多, 通过通讯通道传送的数据就越多.

Modern wireless communication requires that the frequency synthesizer should have fast settling time, small channel width and low phase noise.

现代无线通信要求频率综合器同时满足快速切换时间，小信道宽度和低噪声性能三方面的要求。

Several typical problems existing in site test of relay protection are pointed out, such as test with load, channel test of high frequency protection, remote trip function test of optical protection.

针对现场试验中带负荷检查存在的问题、高频保护中通道问题、光纤保护中远跳功能应注意的问题等，指出应特别关注的问题。