查询词典 frequency channel

In single frequency networks, the channel response results in destructive interference at the

在单频网的环境中通道响应通常会带著干涉性的干扰，尤其是在发射台的信号所及范围之边

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To change the pick type, the cutting depth etc, so as to observe their influences on the deformation and destruction law of coal body; To adopt octagonal ring dynamometry made by ourselves and signals picking up system of multi-channel, low frequency and high-accuracy so as to monitor the cutting force in coal cutting course; To adopt the high-speed photography method, so as to shoot the cutting course and analyze the law of shaping.

改变截齿类型、截割深度等，观察对煤体变形破坏的影响；采用自制的八角环测力仪和多通道低频高精度信号拾取系统对截齿截割煤体过程中的截割力进行了在线监测；采用高速摄影的办法拍摄截割过程，分析变形破坏的规律。

There is a Zigzag channel in the earplug, which lets speaking tones pass and absorbes high frequency noise.

在低频噪声场合时，可用小塞封闭弯曲管道，耳塞又能有效地隔去低频有害噪声。

It is based on the method of modeling mobile voice channel and system identification is made so that the waveform samples are designed in frequency domain with less signal distortion.Then the waveform codebook is gotten by a genetic algorithm which has the maximum Euclidean distance.Thus,the modulation and demodulation are equivalent to the mapping from index to waveforms and from waveforms to index.

提出了对移动话音业务信道建模的思想，通过系统辨识获得模型的频率响应特性，在波形畸变较小的频带范围设计波形频谱，采用遗传算法在时域样本空间全局寻优获得欧几里德距离最大的波形码本，通过码本索引值和波形矢量的映射和解映射来实现数据的调制和解调。

These results suggest that the changes in K(superscript +) channel characteristics may increase the fatigability during high-frequency tetanic contraction in atrophic soleus.

萎缩比目鱼肌纤维膜上K通道的改变，可能是引起其高频强直收缩疲劳性增加的主要因素。

If you use a simple free space channel model, you will see a frequency shift.

如果你使用一个简单的自由空间信道模型，你会看到一个频移。

On the other hand, the frequency response of the equalized channel is crucial for determining transmission bit rate.

另外，等化过后通道的频率响应对传输率也有重要的影响。

Figure 4 shows the measured frequency response of the positive channel with respect to ground.

图4显示对地正通道的被测频率响应。

By utilizing the cross gain modulation effect and the period 1 oscillation harmonic frequency locked in an optically injected semiconductor laser , we can extract the wavelength conversional individual channel optical clock from the optical time division multiplexing OTDM signal .

光注入半导体激光器会产生非线性单周期振荡特性，利用交叉增益调制效应及对单周期振荡的微波锁频效应，可从光时分复用信号中提取出波长转换的分路光时钟。

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。