查询词典 frequency channel

This textual main research topic is the channel estimation algorithm of Orthogonal Frequency Division Multiplexing.

随着该技术的不断完善，其已经日益渗透到了我们的日常生活中。

The paper also analyses in detail the input channel of analog signals and the measurement of the frequency and the difference in phase.

对模拟量输入通道，频率和相位差的检测做了详细的分析。

Two-channel frequency-domain analysis is used to find the fundamental frequency of unvoiced speech signals, and then to control the stimulation rate of current pulses.

基于传统的汉语语音声调提取方法，采用双通道的频域分析法进行基音分析，提取汉语语音声调的变化轨迹，控制刺激模式的产生。

However, upon detection of an incumbent narrowband signal in the channel, the WRAN endpoint forms a frequency usage map for transmission to another WRAN endpoint, wherein the frequency usage map identifies one, or more, of the subcarrier sets that would interfere with the incumbent narrowband signal.

然而，在检测到信道中在用窄带信号时，WRAN端点形成频率使用映射，用于向另一个WRAN端点传输，其中所述频率使用映射识别一个或者多个与在所述用窄带信号干扰的子载波组。

Furthermore, as the oscillating frequency of the cylinder approach the natural vortex shedding frequency, because of the phenomenon of resonance in the channel flow, and the heat transfer rate is enhanced more remarkably.

此外，当圆柱振动的频率接近流场的自然振动频率时，会与管道内的流体产生共振的现象，此现象能够大幅的增加流体的扰动，并且扰乱管道内的流场以及温度场，产生较佳的热传增益。

At the same time, by using wavelet transform time-frequency analysis technique, this paper proposes sedimentary microfacies such as underwater braided channel, mouth bar and beach bar which have different time-frequency characteristics. It boosts the exploration of this area greatly.

同时，利用时频分析技术，提出了水下辫状河道、河口坝、滩坝等沉积微相具有不同的时频旋回特征，为该区的勘探提供了沉积依据。

Hardware design such as channel switch board, testing frequency board and frequency counter board and friend interface reduce the cost on hardware and software. In addition, the smart hardware design reduce the time of sampling cycle and increase the measure precision. The system completely satisfy the industrial field demand.

自主开发了通道开关板、频率测量板、频率计数器选通板等硬件，并提供了良好的人机界面，使整个系统的软、硬件成本大大降低，而且通过巧妙的硬件设计缩短了采样周期并提供了测量精度，可完全满足工业现场测量要求。

Mainly engaged in the project are: 1, lithium battery protection board, power type (power tools, electric vehicles, model aircraft) lithium battery protection board; 2, switching power supply, adapters, chargers; 3, high power audio, amplifier, communications power inverter power supply; 4, solar cells program, program charger, portable power supply; 5, special power supply / power supply, as well as smart power management system; 6, LED drivers, all kinds of high-frequency electronic circuit design, update problem-solving / Circuit Design and so on; Electronics 8514C has°load, four-channel Tektronix TDS2014B Oscilloscopes, Tektronix Current Probe, Power Instrument / high voltage tester, spectrum analyzer proposed, frequency meter, signal generator, the high and low temperature environment for the control room and other advanced equipment and a group of highly professional and well-motivated research in science and technology, design professionals; have the ability to achieve all-round, the perfect integration services.

主要经营项目有：1、锂电池保护板、动力类（电动工具、电动车、航模）类锂电池保护板；2、开关电源、适配器、充电器；3、大功率音响、功放、通讯电源、逆变电源；4、太阳能电池方案、充电器方案、便携电源；5、特种电源/智能电源以及电源管理系统；6、LED驱动，各种高频电子电路的设计，更新解难/电路设计等；公司拥有艾德克斯8514C电子负载、泰克TDS2014B四通道示波器、泰克电流探头、功率仪/高压测试仪、频谱分析议、频率计、信号发生器、高低温环境控制室等先进设备和一批专业素质高、干劲十足的科研技术、设计人才；有能力做到全方位、一体化的完美服务。

According to the technical principles of high frequency balance and based on the quasi-steady assumption condition, this article derives a computing formula of space distribution of wind load on transmission tower, providing an important channel for the study on wind-induced vibration of transmission tower as well as a kind of convenient and reliable development of force measurement range of high frequency balance.

3根据高频天平技术原理及基于准定常假设条件下，推导了输电塔风荷载空间分布的计算公式，为输电塔的风致振动研究提供了一条重要途径，也是对高频天平测力实验局限性的一种可靠方便的扩展。

In this paper, the results of observation are introduced in detail by theexperiment of plasma channel with low-frequency magnetic field near the criticalsurface in laser-produced plasma. The study of generated mechanism of channelwith low-frequency magnetic field is also commented.

本文详细介绍了激光等离子体中等离子体通道和自生磁场的实验观测结果，分别评述了等离子体通道和自生磁场的各种产生机制和理论研究。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。