• 越高,板式轨道竖直位移

    Basedes, the higer the load frequency, the smaller the vertical displacement of slab track is.

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  • 算法只需提取电视台载频信号,计算简单

    The proposed algorithm only USES the carrier waves of television stations, and is quite simple in computation.

    youdao

  • 稳态控制潮流设定空载电压算法

    Setting open-circuit frequency and voltage algorithm for steady-state control power flow .

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  • 对于不同载频之间的切换只能采用硬切换实现

    Hard-handoff is the only way for those different carriers to achieve handoff.

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  • 提出一种针对多用户交织OFDM载频偏移估计算法

    This paper proposes a carrier frequency offset estimation algorithm for interleaved multi-user OFDM.

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  • 进行一些修改后电池寿命不会受到太大损耗

    Combined with some modifications to the idle frequency, battery life does not suffer hugely.

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  • 雷达信号载频脉冲幅度雷达侦察对抗重要参数

    Radar signal Carrier Frequency and Pulse amplitude are very important parameters in radar countermeasure and radar reconnaissance .

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  • 然而由于移动台尺寸载频限制,使天线技术很难实现

    However, due to the size of a mobile and carrier frequency constraints, multiple antennas can not be possibly implemented.

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  • 物体变形测量,云纹干涉载频调制技术重要作用。

    The technique of carrier modulation in Moiré interferometry is important in displacement measurement of an object.

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  • 参数估计主要直扩信号的载频码片时宽和幅度进行了估计。

    Cyclic period chat spectrum estimation is used on parameters estimation such as carrier frequency, chip width and amplitude.

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  • 接收端的高速运动或者载频偏移,会引起信道时间选择性衰落

    Time-selective Rayleigh fading of channels is caused by Doppler shift and carrier frequency offset.

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  • 结合参数估计方法进行DS - SS信号载频速率估计

    Combined with conventional parameter estimation methods, the carrier frequency and chip rate of the DS-SS signal can be estimated.

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  • 采用联合搜索的快速算法,同时捕获扩频信号的载频起点

    Using the planar search, code start point and carrier frequency were reached at the same time.

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  • 本文阐述一种用于控制液压装置加载载频系统

    This paper deals with a system consisted of machine, hydraulic and electronic being used to control loading power and frequence of the hydraulic vibration exciting unit.

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  • 研究MPSK信号载波频率估计方法,采用三种算法进行载频估计。

    The methods to estimate the carrier frequency of MPSK signals are researched.

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  • 数字基带处理时,正常载频信道中提取信号用于导频的发射

    When processing digital base-band, the signal of pilot-frequency was taken out from normal carrier channel and it would be used for transmitting pseudo pilot-frequency.

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  • 信号采用随机编码进行相位调制,相当于是用载频对伪随机进行上变频。

    Using pseudo random code to modulate the signal's phase equals to frequency up-conversion of the pseudo random code by the carrier frequency.

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  • 但是一旦超出相环频率捕捉范围无法完成载频同步

    But if the Doppler frequency offset exceed the capture range of PLL, the carrier synchronization will fail.

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  • 针对P码多普勒周期长的特点,本文探讨缩短载频搜索范围方法

    According to P-code features of large Doppler frequency shift and long code period, the method that shortens the scope of carrier frequency search is studied.

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  • 最后分析了干扰信号存在误码码元宽度误差以及载频误差情况下干扰效果。

    Lastly, the jamming effectiveness is emphatically analyzed in the presence of bit error, bit width error and carrier frequency error.

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  • 本机采用触摸屏PLC编程控制所有,加载力度进行编程控制。

    The machine adopts PLC touch screen and the program control. Can all loading frequencies, loading control the intensity of programming.

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  • 通过试验结果分析获得加表面形态节理闭合变形性质影响规律

    Based on the analysis of test results, the effect of both the surface topography and loading frequency on the joint closure behavior is discussed.

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  • 另外,对叠层橡胶支座的阻尼应变应力变化情况进行了分析

    Moreover, this paper analyses the shear strain and compressive stress and loading frequency dependence of the damping ratio.

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  • 直流换流站载频噪声干扰由换流站交直流流运行时开断暂态过程引起的。

    The carder frequency noise interference in the HVDC converter station is caused by the transition of the converter valve switching.

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  • 为了提高脉冲信号距离分辨力,曾有文献提出了对子脉冲载频进行线性递增方法

    To improve the range resolution of Mono-Pulse Train (MPT), the linear step frequency signal is introduced and used widely in modern radars.

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  • 采用一个超声修正系数对超声疲劳性能试验载荷频率疲劳性能影响进行修正。

    A modifying coefficient of load frequency is used to describe the effect of load frequency on fatigue behavior in ultrasonic fatigue testing.

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  • 本文详细介绍利用广播电视彩色载频信号进行原理方法给出相应测量精度

    The principle and method for calibrating the frequency by means of colour subcarrier signal of broadcast TV are introduced in detail, and the corresponding measurement accuracy is given in this paper.

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  • 累积塑性应变随着应力水平增加而增加疲劳寿命对数坐标下呈线性关系。

    The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.

    youdao

  • 累积塑性应变随着应力水平增加而增加疲劳寿命对数坐标下呈线性关系。

    The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.

    youdao

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