channel frequency
英 [ˈtʃænl ˈfriːkwənsi]
美 [ˈtʃænl ˈfriːkwənsi]
网络 信道频率; 接收频点; 通道频率; 波道频率
双语例句
- Electronic jamming of a specific channel or frequency.
特殊信道或频率的电子干扰。 - As for the receiving system, as long as the receiving frequency search will extend to the upstream channel frequency range of it.
至于接收系统，只要将接收频率搜索范围扩大到上行信道频率范围就可以了。 - Reproducing channel amplitude frequency response
重放通路振幅频率响应特性 - However, for the wireless mobile communication systems, the radio channel is frequency selective and time-varying.
对于无线通信系统，无线信道不仅是频率选择性的，而且是时变的。 - Ways of cancellation for clutter when its arrival time being integer as well as fractional sampling interval are discussed, the influence of channel frequency properties and nonlinear distortions on system performance are presented, respectively.
分析了直达波和多径杂波为整数迟延和分数迟延时的杂波抑制方法及性能，讨论了通道频率特性以及通道非线性对相消性能的影响。 - The estimator consists of two parts: channel magnitude frequency response estimator, and channel phase frequency response estimator.
这种估计方法由两部分组成：信道幅频响应估计机，和信道相频响应估计机。 - The Application for Redundancy System about N+ 1& 1+ 1 in 18 Signal Channel Frequency Conversion Automatic Block
N+1和1+1系统在18信息移频中的运用 - The function parameters and channel frequency program technology of TK-208 wireless handset
TK&208无线通信手持机功能参数及信道频率编程技术 - The paper make an analysis and comparison to the function and cost of 4 channel, 8 channel and 18 channel frequency shift auto? obstruction system, and recommend the 18 channel system as the best to invest.
本文通过对4信息、8信息、18信息移频自动闭塞的投资及功能进行分析和比较，说明18信息移频自动闭塞能提供速度等级的信息，最具投资价值； - Some experienced empirical relations of the landforms of drainage channel network, drainage area, length, channel frequency and channel network density are explained with the random channel network theory.
本文应用随机河网的理论对流域河网结构中的一些经验的定量关系（如Horton经验律、流域面积与长度、河频率与河网密度等）作了解释。 - Improving Hamming Correlation of Channel Frequency Hopping Sequences in Bluetooth 23-hop System
蓝牙23跳系统信道跳频序列汉明相关性的改善 - Based on the study of the inter carrier interference ( ICI) introduced by the Doppler dispersion, the ICI was estimated by using the variations of the channel frequency response among the OFDM symbols and the convolutional re-encoding of the inner decoder's output.
在对多普勒弥散引入的子载波间干扰（ICI）进行研究的基础上，根据OFDM符号间信道频率响应的变化量和内码模块译码输出值的二次卷积编码估计出ICI。 - Furthermore because of the distortion, system data transmission rate is declined resulting in the drop of system capacity, or the system channel frequency space is expanded resulting in the drop of spectrum utilization.
此外，失真还使系统的数据率下降而降低了系统的容量，或使系统信道频率间距变大而使系统的频谱利用率下降。 - At the receiver, the channel frequency responses that were estimated using each training symbol were averaged with weights obtained from the corresponding MSEs.
在接受端，用每个训练符号来估计信道频域响应，并采用与MSEs相对应的权重因子来平均这些响应。 - The digital tuning scheme divides a wide tuning range into many smaller bands, and self-tuning circuit is used to assign proper subband for a given channel frequency, so that PLL can be locked to proper frequency when combined with analog tuning circuit.
该方案将宽调谐范围分成一系列相互重叠的子带，用数字调谐电路来设置安排正确的子带频率，结合模拟调谐，锁相环（PLL）能锁定到正确的频率值。 - In the system, we adopt a balance channel frequency offset structure, phase locked IF tracking technique and opened loop precorrection.
在系统结构上采用了平衡通道频率补偿技术、中频锁相跟踪技术和开环预校正技术。 - Based on the criterion of minimum mean square error, an equation of resolving the channel frequency response was then obtained. The computing complexity mainly lay in the solution of inversion of a matrix.
根据最小均方误差的准则，推导出了求解信道频率响应的方程，方程求解的运算量主要集中在一个矩阵的求逆上。 - The channel estimation algorithm based on frequency-domain PSAM method firstly estimates the channel frequency response ( CFR) in pilot position and then estimates CFR in data position by filter processing.
基于频域导频辅助的信道估计方法首先估计导频位置的信道响应，然后通过滤波处理得到数据位置的信道响应。 - 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。 - The LS channel estimation of OFDM systems can be viewed as a noisy observation of the true channel frequency response, so the noise component can be compressed through subspace projecting.
OFDM系统的LS信道估计可看作真实信道频率响应的一个有噪观察值，因此可采用子空间投影方法对噪声进行压缩。 - The channel model has been further improved. Third, the high power LED MIMO indoor channel characteristics have been studied; these features included the channel impulse response, the channel frequency response and the channel dc gain.
再次，首先对室内可见光LEDMIMO信道特性进行了研究，特性包括信道脉冲响应、信道频率响应和信道的直流增益。 - Therefore, the key to improve the performance of communication system is whether the reasonable channel frequency response can be properly evaluated or not.
因此，能否合理估计从发送天线到接收天线之间的信道频率响应，是提高系统性能的关键。 - A low-complexity MMSE algorithm can reduce the system complexity to some extent, using the adjacent carrier distribution characteristics of ICI and replacing the channel frequency response matrix with a banded structure.
利用ICI相邻载波分布特性的低复杂度MMSE算法，在做均衡时用带状结构去近似信道频域响应矩阵，能一定程度地降低系统复杂度。 - The combination between of the MIMO and OFDM can overcome the radio channel frequency selective decline, increase system capacity, improve the utilization ratio, and it becomes one key 4G spectrum technical.
MIMO技术和OFDM技术相结合可以克服无线信道频率选择性衰落，增加系统容量，提高频谱利用率，成为4G中关键技术之一。 - Based on this model, paper estimated time-varying MIMO-OFDM channel using frequency sequence.
在这个模型的基础上，应用导频序列对时变的MIMO-OFDM信道进行估计。 - Joint coding technology to send data stream by treating joint coding done to improve the system diversity gain, cyclic delay each antenna technology to transmit data on the cyclic shift, equivalent exacerbated the frequency selective channel excavated frequency diversity system.
联合编码技术通过对待发送数据流做联合编码处理来提高系统分集增益，循环延迟技术对每个天线上的发送数据进行循环移位，等效加剧了信道的频率选择性，挖掘了系统的频率分集。 - Sound arc discharge with gas are biological, are collective oscillations of plasma in order to disseminate the results of waveform, but also a sound source and channel the combined effect of the product characteristics of its spectrum depends primarily on channel frequency response.
电弧声是气体放电的伴生物，是等离子体集体振荡以波形方式传播的结果，也是声源和声道共同作用的产物，其频谱特性主要取决于声道的频率响应。 - Furthermore, the research proposes a Lagrange interpolating algorithm for channel frequency response estimation according to the new pilot structure and the Lagrange polynomial fitting principle.
进一步根据导频的新结构和拉格朗日多项式的拟合原理，提出了一种基于拉格朗日内插的信道频域响应估计算法。 - The traditional frequency domain equalizations, such as LS, MMSE algorithms, use all the channel information of the channel frequency response matrix to restore the signal at the receiving end, which achieve excellent ICI suppressing ability with high complexity.
传统的频域均衡如FDLE、LS、MMSE算法，利用了信道频域响应矩阵中所有信道信息在接收端进行补偿，能很好地抑制ICI，但是复杂度很大。 - Low voltage power line is a time-varying system of complex network structure, whose hostile channel properties such as very low impedance, instability channel frequency, strong noise pollution, attenuation and time-variance must be considered.
低压电力线是网络结构复杂的时变系统，其信道表现出阻抗变化大、信道频率特性不稳定、信号所受干扰强和时变性大等特点。