phase accumulator 中文意思是什麼
phase accumulator
解釋
相位累加器- phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
- accumulator : n. 1. 累積者；積聚者。2. 【機械工程】蓄力器；【電學】蓄電池；【計算機】累加器，記存器；【無線電】貯能電路；緩沖器。
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The direct digital frequency synthesizer is a kind of fully digitized frequency synthesizer, which consists of the phase accumulator, the sine look - up table, the digital to analog converter and the low band filter. it is of high frequency resolution, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase, and the ability to producing arbitrary waveforms
直接數字頻率合成器是一種全數字化的頻率合成器，由相位累加器、波形rom 、 d a轉換器和低通濾波器構成， dds技術具有頻率解析度高、頻率切換速度快、頻率切換時相位連續、輸出相位噪聲低和可以產生任意波形等優點。 -
2. with a view to the theory of dds, this paper introduces the realization of dds, which based on programmable device. it also discusses in detail some key techniques such as the design of high speed phase accumulator and ram
2 .從dds的原理出發，著重介紹了一種自行設計的基於可編程邏輯器件fpga的dds電路的實現方法，並對其高速相位累加器、 ram查找表等關鍵技術進行了詳細討論。
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