查询词典 Signal-to-Noise

Furthermore, The frequency-domain relationship between the electric flux density and the electric field is managed with the Z transform, which is of frequent use for digital filtering and signal processing. The optical pulse propagating in nonlinear and dispersive media is analyzed with Z transform, which is simpler than with auxiliary differential equation method.

同时利用数字滤波和信号处理中经常使用的Z变换来处理D和E间的频域关系，并具体分析了如何用Z变换法来处理非线性色散问题，此方法与辅助差分法相比要较为简单明了。

An apparatus (20) such as a television signal receiver provides an emergency alert function and an auxiliary information display function.

一种诸如电视信号接收机的设备(20)提供紧急情况警报功能和辅助信息显示功能。

Auxin plays an essential role in signal transduction pathways of plant hormones.

生长素是一类重要的植物激素，它与植物生长发育的许多过程相关。

The average power of the combined signal is measured over a selected time period.

该组合信号之平均功率系于一选择的时间周期上测量。

Just as morphology,it is an important phylogenetic signal and a significant factor of production isolation of avian.

其与鸟类的形态特征一样，都是鸟类的重要鉴别特征和生殖隔离的重要因素。

It picked up a signal from a Belfast yacht Avocet , which had in turn received a distress call from a French yacht Nevee .

它从一艘贝尔法斯特的Avocet号游艇上收到信号，而Avocet号游艇收到的遇险信号来自法国的Nevee号游艇。

It comes form vibration signal that obtained by monitoring in two mutual vertical direction on one cross section of the axletree or axes neck.

它可以通过振动位移和激振力的相位的变化来判断转子的临界转速；当挠性转子由不平衡力引起振动时，在不同的转速下有不同的振型，根据不同的振型对转子进行有针对性的平衡；另外根据检测到的轴心轨迹图形状，可以分析出造成振动的具体原因，根据不同的原因进行防振和减振。

Additionally , tau protein takes participate in the development of axon and plays a role in signal transduction.

另外，tau蛋白还参与轴突发育和维持轴突形态相关的信号传导过程。

Furthermore, the azimuth effect can affect the signal modulation and the performance of the tracking system.

此外，方位效应还会影响信号的调制和跟踪的性能。

At the same time, the theory of azimuth instrument is discussed.DSP is a newly technology in digital signal processing.

文中对寻北仪的寻北原理作了详细的介绍，提出了寻北系统的整体方案，同时也介绍了方位仪的实现方案。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。