例句與造句

1. the simulation for signal frequency spectrum analysis based on fast fourier transforms
   基于快速傅立葉變換的信號頻譜分析仿真
2. the nucleus is the software in the design and realization of virtual instruments . we use the design method of module and use many papers to describe the whole building process of the typical signal generation module, date handling module, date reading and writing module, resultdemonstrate module . as the conclusions, we also offer the panels and the diagrams of virtual signal frequency spectrum analytical instrument, virtual butterworth filter, virtual signal generation instrument, virtual integrator and differentiator regulator and amplitude modulation wave counter modulation instrument
   本文采用模塊化設計方法，詳細描述了典型信號生成模塊、數(shù)據(jù)處理模塊、數(shù)據(jù)讀取和存儲模塊、顯示模塊等軟件開發(fā)的全過程，分析、解決了設計及實現(xiàn)過程中出現(xiàn)的問題，并給出了已實現(xiàn)的虛擬信號頻譜分析儀、虛擬巴特沃斯濾波器、調(diào)幅波解調(diào)器、虛擬信號發(fā)生器、虛擬積分器和微分器等實驗教學用虛擬儀器的前面板圖和程序流程圖。
3. It's difficult to find signal frequency spectrum in a sentence. 用signal frequency spectrum造句挺難的