delta modulator 中文意思是什麼
delta modulator
解釋
增量燈器-
Not only can gain mismatch of the sigma - delta modulator be minimized, but the overload of the later stage sigma - delta modulator can also b e resolved without sacrificing the signal noise ratios ( snr ) of the over all system
不僅可以減輕積分三角調變器增益不匹配之困擾，並且可以解決后級積分三角調變器容易過負載之問題；然而，卻不會讓整體系統的訊號雜訊比（ snr ）降低。 -
Sigma - delta modulator, combined with oversampling, effectively attenuate the in - band quantization noise in the output signal and enhance the signal - to - noise ratio ( snr ) through the shaping of the quantization error
調制器與過采樣相結合，對量化誤差噪聲進行整形，有效衰減輸出信號的帶內量化噪聲，提高了輸出帶內信噪比（ snr ） 。 -
A novel synthesis method for behavioral design of sigma - delta modulator
調制器行為級設計方法 -
A local nonlinear feedback loop ( lnfl ) technique and a sigma - delta modulator ( sdm ) for promoting highly stable oversampling using the lnfl technique
一種局部非線性回授?路法，以及並利用此一局部非線性回授?路法改良之高穩定性超取樣積分三角調變器。 -
So far, sigma - delta modulator becomes the most attractive technology in vlsi when using it to deal with high resolution a / d converter
調制器結構是迄今為止在vlsi技術中執行高精度a / d變換最吸引人的方法。 -
Moreover, using the local nonlinear feedback loop technique of this invention attenuates the voltage signal of the sigma - delta modulator, therefore decreasing the power consumption of the overall sigma - delta modulator system
同時，應用本發明之局部非線性回授?路法亦可以使得積分三角調變器整體系統的電壓訊號衰減，因此可以使得積分三角調變器整體系統的幼率消耗降低。 -
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
本文在闡述-調制理論，分析其數學模型，噪聲整形特性基礎上，結合傳統小數分頻合成器，提出了-調制小數分頻鎖相環頻率合成器實現方案，及其在fpga里的調制器演算法。 -
In order to make full behavior simulation of sigma - delta modulator, the noise models have been set, taking into account most of the sigma - delta modulator ’ s non - idealities and the final result supports the noise models. last, the main circuits of modulator have been designed, such as operational amplifier, comparator and clock generator, the design principle of noise - killed logic circuit has been presented. these circuits have been simulated
調制器的噪聲模型，考慮了影響調制器性能的一些主要非理想因素，通過模擬驗證了噪聲模型的正確性;最後，設計實現了結構中的主要電路，如運放、比較器、時鐘產生電路，闡述了噪聲抵消邏輯電路的工作原理，利用hspice和cadencespectre對各電路進行了模擬，驗證其功能。 -
The principles of sigma - delta modulator have been discussed firstly and the influences of structure and parameters on resolution have been analyzed. then on the base of theories, the simulink toolbox of matlab has been used to make behavior simulation and fft analyse of two main structures : 2 - 1 - 1 and 2 - 2. the related parameters of modulator such as : psd, sndr and enob have been gotten by simulink toolbox on the conditions of different oversampling rates. from the analyses above, topology of modulator has been chosen
調制器的原理進行了介紹，分析了各種結構及參數對調制器精度的影響;其次，在理論指導的基礎上，利用matlab的simulink工具包對調制器兩種主要級聯結構: 2 - 1 - 1和2 - 2結構進行了行為級模擬和fft分析，得出了在不同過采樣率條件下，兩種結構調制器的功率譜密度、信噪失真比以及有效位數，通過比較確定了調制器的拓撲結構。
分享友人