从工程设计的角度出发，对常见的升余弦滚降滤波器进行了…
Raised Cosine FIR Digital Filters and makes the designed filters to meet the requirement of project.
升余弦滚降系统的眼图和功率谱，滚降系数为0.5。发送码元取值为0、2。
Raised Cosine the eye and power spectrum, roll-off factor of 0.5. This code value for 0,2 billion.
这幅图表明，频率响应是非常平滑地贯穿整个频率范围和高音喇叭的受控离轴滚降。
This figure shows that the power response is very smooth throughout the whole frequency range, and the controlled off-axis roll off of the tweeter.
现代数字通信中广泛采用平方根升余弦滚降数字滤波器作为基带成形滤波器和匹配滤波器。
Square-root raised cosine roll-off digital filter was widely applied to baseband shaping filter and match filter in modern digital communication.
为实现通带内频率响应平坦度高、滚降时间快的滤波效果，采用多环结构形成的高阶滤波器。
In order to achieve flatter tops and sharper rolloff in the passband, the multiple-ring higher order structure is employed.
介绍了平方根升余弦滚降数字滤波器的设计和优化方法，并提出了用FPGA实现其硬件电路的方案。
This paper introduces design, optimization and implementation with FPGA of square-root raised cosine roll-off digital filter.
她由船尾的拖船拖拽着，缓慢的进入运河的狭窄航道，就如同一个浮动的多层停车场，又好像一艘滚装滚降的载车船。
She is like a floating multi-storey car park, a roll-on roll-off car carrier.
本文提出一种利用ZAK变换及优化的升余弦滚降滤波器设计的OFDM/OQAM系统时频局域优化脉冲成形滤波器。
The discrete ZAK transform and Raised cosine FIR filter are used to design time-frequency well-localized pulse shaping filters for OFDM/OQAM systems.
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。
This scheme uses smooth wave instead of discontinuous wave, so the wave in time field is continuous phase and has good frequency spectrum characteristics.
分别实现了V．29信号基本调制解调过程，包括平方根升余弦滚降脉冲成形技术的滤波器实现，以及对信号的正交调制与解调过程。
Realizes V. 29 signal basic modulate and demodulate procedure which includes square root raised cosine rolling-off shaping filter and orthogonal channel signal modulator and demodulator.
分别实现了V．29信号基本调制解调过程，包括平方根升余弦滚降脉冲成形技术的滤波器实现，以及对信号的正交调制与解调过程。
Realizes V. 29 signal basic modulate and demodulate procedure which includes square root raised cosine rolling-off shaping filter and orthogonal channel signal modulator and demodulator.
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