This scheme uses smooth wave instead of discontinuous wave, so the wave in time field is continuous phase and has good frequency spectrum characteristics.
该方案用平滑的波形来替换前后码元的不连续跳变,从而得到相位连续的时域波形,波形平滑、频谱主瓣窄、滚降速度快。
For instance, let's consider the sine wave, or sinusoid, a mathematical function that describes a smooth repetitive oscillation.
例如,让我们考虑一下正弦波,也即正弦曲线这样一个描述平稳反复振荡的数学函数。
While smooth surfaces send back a reversed, right-polarized wave, rough areas return left-polarized waves.
光滑表面会反射一个反向的优选极化波,而粗糙地区的反射波是左旋极化波。
In optics, scientists look for atomically smooth and wave-free surfaces.
在光学上,科学家们在寻求原子级上光滑和无波的表面。
If the modulation rate is high, it is possible to smooth out the pulse train using passive electronic filters and recover an average analog wave form.
如果调制率高,是有可能顺利进行,脉冲列车使用被动电子过滤器和收回平均模拟波形。
The example calculating shows that the method is correct. Optimum flight trajectory parameters don't have wave and are smooth.
通过实例计算表明该方法是正确的,所得最优飞行轨迹参数没有波动现象,曲线光滑。
When the integral constant is zero, the existence of smooth solitary wave solutions, uncountably infinite, many smooth periodic wave solutions, and kink and anti-kink wave solutions are proved.
在积分常数为零的条件下,证明了该方程存在光滑孤立波解、不可数无穷多光滑周期波解、扭结波和反扭结波解。
In the classic solution of wave equation, it is required that the initial and boundary conditions should be smooth enough and any discontinuities are not allowed in medium coefficients.
在波动方程的经典解法中,初始条件与边界条件都要充分光滑,介质系数也不能出现间断。
Now, the world is at the window, a wave of his hand gently, let all present in front of your eyes, feel the casement opening sensitive and smooth.
现在,世界就在窗前,轻轻一挥手,让一切呈现在你的眼前,感受窗扇开启的灵敏与流畅。
Calm, smooth waters reflect more light directly back to the satellite, resulting in a bright, pale stripe along the length of the internal wave.
平静光滑的水体直接反射了更多的光到卫星,沿着内波形成了亮白的带条。谷底汹涌的水体将光散射到各个方向,形成了一条暗线。
The mean distribution of wave elements is smooth while the distribution extremes uneven.
海浪要素的均值分布比较平稳,极值具有不均匀分布的特性。
The resultant sine wave is smooth enough to drive an LVDT, which attenuates any residual higher order harmonics.
合成的正弦波足够平滑到足以驱动能衰减残余更高谐波的LVDT。
The vertical line transducer can be used in rivers, lakes, seas to measure tide, wavy, smooth sea, wave direction, velocity, and underground water level, etc.
它可广泛应用于江、河、湖、海中测量潮汐、波浪、微浪、波向、波速以及地下水位等等。
There was no other sound save the sound of a wave fretting the smooth pebbles below.
此外,便只有下头海浪冲刷卵石的声响。
The smooth sine speed wave is adopt in order to satisfying motor's stating and moving frequency. The sine speed wave reduces the impact of the sy...
电机的加减速采用平滑的正弦曲线,满足电机的起动频率和运行频率,减少了系统的冲击。
When you're stressed, your wave is jagged and spiky; when you're relaxed, your wave becomes smooth and consistent, like a sine wave.
当你放松时,你的波浪变得光滑和一致,像一个正弦波。
When you're stressed, your wave is jagged and spiky; when you're relaxed, your wave becomes smooth and consistent, like a sine wave.
当你放松时,你的波浪变得光滑和一致,像一个正弦波。
应用推荐