synthesizer frequency hopping 中文意思是什麼
synthesizer frequency hopping
解釋
混合跳頻- synthesizer : n. 合成者，合成物；〈尤指〉【電學】合成器，綜合器。
- frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
- hopping : adj. 1. 忙碌的，繁忙的。2. 從一處到另一處的；到處奔忙的。
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The core of a frequency hopping system is the frequency synthesizer
在跳頻系統中，頻率合成器是核心部件。 -
Research and design of pn code sequence fast frequency hopping frequency synthesizer
偽隨機序列快速跳頻頻率合成器的研製 -
First, the overall design of frequency hopping frequency synthesizer ( fhfs ) is given. the characteristics of this approach are discussed and the corresponding key technologies are also briefly introduced. then, the specific frequency properties of dds output signals and their effect on fh signals are carefully analyzed
論文首先介紹了跳頻頻率合成器的整體設計方案，分析了這種方案的特點，並對其中的關鍵技術進行了簡要的闡述；接著，分析了dds輸出信號的頻譜特性以及這些特性對跳頻信號的影響。 -
This paper mainly introduce the teconology of design modern microwave hopping frequency pll synthesizer with low phase noise. on the foundation of analysis of phase noise performance of pll circuit, i made some reasearch in system shcemes and methods for low phase noise design of microwave hopping frequency pll. some innovative ideas of low phase noise design about pll is presented in this paper
本文主要研究現代微波鎖相跳頻源低相噪設計技術。在對鎖相環噪聲性能分析的基礎上，對現代微波鎖相跳頻源多種低相位噪聲設計方案進行分析研究。提出了低噪聲鎖相跳頻源設計的一些獨道見解。 -
The essential requirements for the frequency synthesizer are : 1 ). low side band power 2 ). high hopping speed 3 ). short convergence time direct digital synthesis technology has the advantages of low cost, low power consumption, high frequency discrimination and short switching time
直接數字合成技術dds具有低成本、低功耗、高解析度和快速轉換時間等優點，是實現快速跳頻的一個關鍵技術。本文討論了如何實現高速的跳頻系統。 -
Frequency ’ s switching time, which directly affects the hopping speed of interferential system as well as radar ’ s frequency agility, is being paid more and more attention. this paper mainly analyzed the frequency synthesizer ’ s agile character
其中，捷變時間這一指標，由於直接影響到跳頻干擾和抗干擾系統的跳速，以及雷達頻率捷變特性，越來越受到人們的關注。
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