carrier frequency是什么意思

网络释义

用法例句

In this paper,the effects of environmental temperature and carrier frequency on working states of inverters is analyzed.

分析了环境温度、载波频率参数对变频器工作状态的影响 ,并对泵升电压的限制进行了探讨 ,结果表明 :注重运行环境 ,设定正确的运行参数 ,将会取得比较满意的运行效果 。

The offset of carrier frequency can cause interference between subchannels in a multicarrier system.

对于多载波系统,载波频率的偏移会导致子信道之间产生干扰。

In non-cooperative communication systems such as spectrum surveillance and electronic interception, the receiver must estimate the parameters of direct spread spectrum sequence (DSSS) signal, including baud rate, chip rate and carrier frequency for demodulation.

在频谱监测、电子侦听等非协作通信中,接收机要对直接扩频序列信号进行侦收,必须要首先估计信号的参数,包括波特率、码片速率和载波频率等。

Performance analysis on the spatially correlated multiuser MIMO-OFDM systems in the presence of carrier frequency offset and channel estimation error;

存在载波频偏和信道估计偏差影响的空相关多用户MIMO-OFDM系统的性能分析

Research on Carrier Frequency Offset Estimation and Directional Interference Suppression in Wireless MIMO System

无线MIMO系统中载波频偏估计和定向干扰抑制的研究

A joint blind estimation method based on spectrum overlap for uplink interleaved orthogonal frequency division multiple access carrier frequency offset and timing synchronization is proposed.

提出了一种基于功率谱叠加的交织正交频分多址系统上行链路载波频偏和定时同步联合估计算法。

Based on theanalysis of structure and transmission characteristics of the low-voltage powerline,the high frequency carrier signal coupling technology based on low-voltage power line is studied,including the analysis of the bandwidth requirements,work attenuation requirements and HF impedance characteristics.

通过对低压电力网的结构及其传输特性进行分析,从频带要求、工作衰减要求以及高频阻抗特性分析三方面入手,研究了基于低压电力网的高频载波信号耦合技术。

A convenient,safe and high efficiency couple device is the basis to realize power line communication of high frequency carrier signal.

电力线耦合装置是电力线载波通信系统中关键环节之一,一个安全、高效、简易的高频载波信号耦合装置是实现电力线通信的基础。

By acquiring the parameters such as the voltage and current,and transmitting the data through spread spectrum carrier,the system can avoid the high and low voltages mixed routing problems,especially solve the high voltage insulation problem between measuring circuit and measured circuit when the batteries are being charged.

该检测系统实时检测蓄电池的电压、电流等参数,并通过扩频载波方式将分散的测量结果传送到中央检测控制器,避免了高低压混合布线的问题,特别是很好地解决了在电池充电时测量电路与被测电路间的高压绝缘问题。

In this project, spread spectrum carrier and microcomputer excitation technology were combined to achieve the excitation regulator system.

该方案采用扩频载波技术与微机励磁技术相结合来构建旋转晶闸管式同步发电机无刷励磁系统,主要采用的是将励磁调节器分为主调节器和移相触发检测单元,并通过扩频载波模块实现二者之间的数据传送。

This paper designes a communication circuit based on SSCP300 power l ine spread spectrum carrier.

设计一个基于SSCP300的电力线扩频载波的通信电路。

Frequency spectrum element, carrier frequency. Frequency type can be specified.

频谱元件，载波频率。可指定频率类型。

The Performance Comparison of SC/FDE and OFDM;

单载波频域均衡SC/FDE与多载波OFDM的性能比较

Blind estimation algorithm of multi-carrier CDMA sub-carrier frequencies and its performance analysis

多载波CDMA子载波频率盲估计算法及其性能分析

Simulation and measurement of multi-carrier and single-carrier frequency domain equalization systems

多载波与单载波频域均衡系统的仿真与测量

Study and Implementation about Carrier Wave Frequency Quisition of Spread Spectrum Signal Based on FFT;

基于FFT的扩频信号载波频率捕获研究与实现

Research on Estimation Approaches of Carrier Frequency Offset in MPSK IF Digital Receiver

MPSK中频数字接收机载波频偏估计方法研究

Carrier Frequency Offset Estimation Using Hidden Pilots in MC-DS-CDMA Systems

MC-DS-CDMA系统载波频偏估计的隐导频算法

An oscillator for generating the carrier frequency of a transmitter.

主控振荡器产生载波频率的振荡器

Research on Timing and Carrier Frequency Synchronization in OFDM Systems;

OFDM系统定时与载波频率同步研究

radio-frequency carrier

射频载波, 高频载波

adjacent audio carrier

邻(频)道伴音载波

adjacent video carrier

邻(频)道图象载波

modulator carrier

调制器载(波)频(率)

modulation frequency-carrier ratio

调制频率－载波比率

chrominance subcarrier reference

色度副载波基准频率

high -frequency channel

高频电路, 载波电话通路

voice-frequency carrier teletype

音频载波电传打字机

frequency modulation noise level on carrier

载波的调频噪声电平