Channel n (where n is 0...78) uses a carrier frequency of 2402+n MHz.
信道n（n为0...78）使用的载波频率为2402+nMHz。
The study shows that the new algorithm is not affected by carrier frequency offset basically, and has strong characteristic of resisting noise.
研究表明，新算法的性能基本不受载波频偏的影响，且具有很强的抗噪特性。
Frequency spectrum element, carrier frequency.
频谱元件，载波频率。
The methods to estimate the carrier frequency of MPSK signals are researched.
研究了MPSK信号载波频率的估计方法，采用三种算法进行载频估计。
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 automatic carrier frequency tracking scheme is accomplished by two steps in our system.
自动载波频率跟踪部分的设计分了两个主要阶段。
Using the planar search, code start point and carrier frequency were reached at the same time.
采用了二维联合搜索的快速算法，同时捕获扩频信号的载频和码起点。
The time synchronization and carrier frequency offset estimation can be achieved simultaneously.
该算法能够同时实现时间同步与频偏估计。
This thesis deals with the algorithms of carrier frequency offset and phase error for MPSK signal.
本文主要研究MPSK信号的载波频偏和相位误差的估计和恢复算法。
Time-selective Rayleigh fading of channels is caused by Doppler shift and carrier frequency offset.
接收端的高速运动或者载频的偏移，会引起信道的时间选择性衰落。
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。
This paper proposes a carrier frequency offset estimation algorithm for interleaved multi-user OFDM.
提出一种针对多用户交织OFDM载频偏移估计的算法。
The fundamental principle of sub-carrier frequency modulation used for FBG array interrogation is analyzed.
分析了副载波调频技术用于光纤光栅阵列查询的基本原理。
Finally, these judged variables adjust the local oscillating frequency to track the carrier frequency by NCO.
最后用这些变量调节本地振荡频率，以跟踪载波频率。
A novel symbol synchronization and carrier frequency offset estimation method is presented for 39-tone OFDM systems.
针对短波39音OFDM系统，提出了一种新型的符号同步和载波频偏估计方法。
In a digital communication system, usually there exist carrier frequency offset between the sender and the receiver.
在数字通信系统中，发送端和接收端的载波往往存在一定的频差。
The position and width of interference pattern were related to the observing Angle, range resolution and carrier frequency.
明暗条纹出现的位置和宽度与雷达观测角度、距离向分辨率、以及雷达工作频率等有关。
Cyclic period chat spectrum estimation is used on parameters estimation such as carrier frequency, chip width and amplitude.
参数估计主要对直扩信号的载频、码片时宽和幅度进行了估计。
We propose new carrier frequency acquisition and channel estimation algorithms based on the time-domain analysis of OFDM system.
本文根据OFDM系统特点，分析了OFDM系统的时域载波频率捕获和信道估计方法。
Combined with conventional parameter estimation methods, the carrier frequency and chip rate of the DS-SS signal can be estimated.
结合参数估计方法，可进行DS - SS信号载频和码速率估计。
Lastly, the jamming effectiveness is emphatically analyzed in the presence of bit error, bit width error and carrier frequency error.
最后分析了干扰信号在存在误码、码元宽度误差以及载频误差情况下的干扰效果。
But both of them are sensitive to carrier frequency shift, further, they have comparative BER under AWGN and Doppler shift environment.
但两者都对载波频率偏移敏感，且在AWGN和多普勒频移环境下表现相当。
It directly processes the phase of the received signal and realize fast capture of the carrier frequency and keeping the carrier phase.
它直接对接收信号的相角进行处理，以完成载波频率的快速捕获和载波相位的跟踪。
There are two main aspects about OFDM synchronization technologies: symbol timing synchronization and carrier frequency synchronization.
OFDM系统有两个方面的同步要求，符号定时同步和载波频率同步。
The estimation of carrier frequency and design of loop parameters are analyzed in this thesis when the two characteristics are considered.
本文对这两个特征下载波同步的两个方面——载波频率参数估计与环路参数设计进行了分析。
Doppler effect causes not only carrier frequency offset, but also symbol expansion or compression for wideband acoustic communication signal.
多普勒不仅造成宽带水声通信信号的载波频率偏移，而且引起码元符号的展宽或压缩。
Using pseudo random code to modulate the signal's phase equals to frequency up-conversion of the pseudo random code by the carrier frequency.
信号采用伪随机编码进行相位调制，相当于是用载频对伪随机码进行上变频。
As one of the most crucial technique of OFDM, synchronization technique includes carrier frequency synchronization and symbol synchronization.
同步技术是OFDM最关键的技术之一，它包括载波频率同步和符号同步。
Symbol timing and carrier frequency offset will significantly degrade the performance of OFDM(Orthogonal Frequency Division Multiplexing)receiver.
符号、载波偏移严重影响着正交频分复用（OFDM）接收系统的性能。
The research contents mainly consist of symbol rate estimation, carrier frequency offset estimation, modulation recognition and blind demodulation.
研究内容主要包括：符号率估计、载波频偏估计、调制方式识别以及盲解调等。
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