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- FFT algorithm used in OFDM base band processing is studied and errors in structure chart of Radix-23 SDF 64 points FFT in correlated papers are corrected. 64 points FFT can be implemented with only one complex multiplication and several additions. 对OFDM基带处理中的FFT算法进行了研究,修正了相关文献中Radix-23SDF64点FFT结构图中的错误,64点FFT只需一个复数乘法和若干加法即可实现。
- Having studied the digital down-conversion(DDC)process of IF signal before the base band process which follows A/D conversion in wireless communication,the paper puts forward a new idea of utilizing the FPGA to realize multi-channel digital signal DDC. 研究了无线通信接收机中,经A/D转换后到基带处理前的中频信号的下变频处理。 提出了用FPGA实现多通道数字信号下变频的新设想。
- approximate narrow band processing 近似窄带处理
- base - band processing 基带处理
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- You cannot enter a military base without a permit. 无通行证者不得擅入军事基地。
- Her heavy industry rests on a broad and firm base. 它的重工业有广泛坚实的基础。
- He caught me off base with that question. 他的问题猝然把我给问倒了。
- The bombers swooped on the air base. 轰炸机突袭空军基地。
- Edge banding processes and tooling setup were introduced for the manufacture of panel furniture parts.The technical parameters in different steps of edge banding were discussed. 结合典型封边机,介绍板式家具部件的封边工艺和刀具配置,分析各工序的作用、特点及刀具。
- Many languages have Latin as their base. 许多语言都以拉丁语为基础。
- Edge banding processes and tooling setup were introduced for the manufacture of panel furniture parts. The technical parameters in different steps of edge banding were discussed. 摘要结合典型封边机，介绍板式家具部件的封边工艺和刀具配置，分析各工序的作用、特点及刀具。
- His base conduct was condemned by everyone. 他的无耻行为受到所有人的谴责。
- His idea is completely off base. 他的想法大错特错。
- Two soldiers dismounted the gun from the base. 两个战士把炮从底座上卸下来。
- In a poor, lowly, or base manner. 简陋地，谦卑地，卑鄙地
- The sea washes the base of the cliffs. 海水拍打著悬崖的底部。
- To betray a friend is a base action. 背叛朋友是卑劣的行为。
- The pilot was trying to make contact with his base. 飞行员正试图与基地联系。
