查询词典 frequency channel

O you can use your 3 letter ICAO code for channel name as "Company frequency".

你可以使用三个字母的ICAO 代码作为你的公司频道代号。

Those destroy the orthogonality of each channel which reduces the utility of frequency-spectrum in TD-SCDMA system .

这些干扰破坏了各信道的正交性，降低了CDMA系统的频率利用率。

Using characters of periodic fading of channel in frequency selectivity, the invented method partitions orthogonal FDM modulation sub carrier wave into some sub bands in two types crossed arranged to be assigned to two typed users.

一种正交频分复用调制子载波分割与子带交叉排列的方法，用于数字信息传输技术领域。

An analytical model for tunneling transmission through a high—frequency potential barrier in a ballistic channel is formulated.

不仅是量子波导中的传播态决定其弹道输运的过程，衰减态在电子波传播中的作用也是不可忽略的。

In order to find a kind of PR signal which has good recording performance and is easy to realize under high recording density, the frequency characteristics and the optical recording channel output SNR are compared with the method of simulation and mathematical analysis.

提出了一类适合光记录的部分响应信号，通过仿真和数学分析的方法，分别对这类信号的频率特性和记录信噪比进行了比较，目的在于寻找在高记录密度下既有好的记录特性又便于实现的部分响应通道。

In this topic, in order to derive the approximate cross-correlation function in frequency domain, we propose the simple estimation of the root-mean-square delay spread and the mean delay of the channel.

在这议题中，为得到在频域的近似通道交互相关函数，我们推得通道的"延滞方均值"与"延滞均值"简易估计演算法。

WaveOut bottom function with direct broadcast WAVE document examples, and shows channel number, frequency, Sample median.

用waveOut底层函数直接播放WAVE文件示例，并显示声道数、频率、采样位数。

Disturbances with various patterns were exerted to the open channel flow in a flume to quantitatively investigate the variation of turbulence structure during sand ripple formation and its influence on sand movement and river bed evolution. The variation process of flow velocity is measured by means of ADV with sampling frequency of 50Hz.

本文通过在水槽实验中采集的流速过程数据，定量地研究了沙纹阶段明渠水流在不同形式扰动作用下的湍流结构，以及湍流结构对泥沙运动和床面演化的影响。

As the third part of the integrated project "Development and Research of the New Generation Automatic Sphygmography", subproject will focus on the time/frequency domain of analog Multi-Channel Signal Processing Technology for the New Generation Automatic Sphygmography.

本计画为整合型计画"新一代自动化诊断脉诊仪开发与研究"中之子计画，而子计画主要是针对类比式多通道脉波处理技术於脉诊平台实现。

The main idea of OFDM technology is that a given channel in the frequency domain is divided into many orthogonal subchannels. In each subchannel, using one sub-carrier to modulate one signal, all subchannels transmit those signals in parallel.

OFDM技术的主要思想就是在频域内将给定信道分成许多正交子信道，在每个子信道上使用一个子载波进行调制，并且各子载波并行传输。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。