Digital matched filter (DMF) is chose because it can greatly reduce the time of acquisition; furthermore, the tapped parallel design can cut down the demand for hardware.
其中，数字匹配滤波器能极大地缩短捕捉时间，而采用折叠式并行设计，能快速实现捕获，节约硬件资源，所以文中采用折叠式并行数字匹配滤波器实现扩频码同步和信号的解扩。
参考来源 - 基于软件无线电的直接序列扩频接收机的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The most common designs in clinical trial are parallel design and cross over design.
临床试验中最常见的设计是平行组设计和交叉设计。
Methods: 119 patients with 129 aneurysms under Craniotomy clipping were divided into four groups by parallel design.
方法：开颅夹闭治疗的119例患者（129个动脉瘤），按平行对照分成四组。
This platform provides parallel design environment for electronic and reliability engineers to solve issues of electronic equipments' overheating.
该集成平台的研制为电子产品设计人员，可靠性工程人员解决电子设备过热问题提供了并行环境。
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