theory n. 1.理论,学理,原理。 2.学说,论说 (opp. hypothesis)。 3.推测,揣度。 4.〔口语〕见解,意见。 the theory of two points 两点论。 Darwin's theory of evolution 达尔文的进化论。 theory of equations 【数学】方程论。 theory of everything 【物理学】(把相对论、量子论和宇宙大爆炸理论都包括在内的)万用理论。 theory of relativity 【物理学】相对论。 the atomic theory 原子说。 Our scheme is good both in theory and in practice. 我们的方案在理论上和实施上都是好的。 combine [separate] theory with [from] practice 理论结合[脱离]实际。 My theory is that we must bring new blood into the Institute through appointment of younger men to important positions. 我的意见是我们学院应该通过重用年轻一些的人来注入新的血液。 theory of games 博弈论,对策论,权衡利弊得失的形势分析。
A introduction to communication systems and modulation theories , the course also provide many communication applications include cd , gif / jpeg / mpeg , cellular phones , cable modems , etc 对于通讯系统与调变理论有完整的理解,并介绍通讯技术与各种环境的应用。
Firstly , ale system ' s base content is introduced , then an analysis of ale system ' s structure and design is put forward , and then 8cpfsk modulation theory and error control technique are discussed 本文首先介绍了ale协议的基本内容,分析了ale系统的结构和设计思路,然后对8cpfsk信号的调制解调技术、差错控制技术进行了理论研究。
Firstly , the low frequency vibration of benfield frame is analyzed and tested . the nature and reason of the vibration of benfield frame are analyzed . a modulation theory is suggested and displayed to explain the low frequency vibration reason of benfield frame 文章首先分析和测试了苯菲尔框架的低频振动,分析了苯菲尔框架大幅低频振动的性质和原因,提出了造成框架振动的低频调制理论。
This paper focuses on the analysis of sigma delta modulation theories such as mathematics models , noise shaping characteristics , etc . combined with traditional pll fractional - n synthesizers structures , a project of sigma delta modulator is proposed , and the algorithmic analysis is implemented by fpga 本文在阐述-调制理论,分析其数学模型,噪声整形特性基础上,结合传统小数分频合成器,提出了-调制小数分频锁相环频率合成器实现方案,及其在fpga里的调制器算法。
Several topics on coding and modulation theories of uav communication were discussed in this thesis . by analyzing features of uav communication , difference on three aspect between uav and satellite / civil mobile communication were pointed out , i . e . rapidity of the channel state parameters changing when low - altitude flying , wide range of the signal to noise ratio ( snr ) in receiver , and demand on transmission delay 无人机通信与卫星通信、移动通信有相似之处,也有明显不同,主要是:无人机低空飞行时信道参数变化剧烈,通信中接收机信噪比变化范围大,要求传输时延短。