噪声整形 meaning in English
noise shaping
Examples
- Dsp chips produced by ti are suitable for the 1 - bit system design . they can achieve two important parts of the system , interpolator and modulator , and finish the input and output of signals
本文在实现一阶sigma - delta调制器的基础上,通过分析二阶调制器的结构和系统函数,在dsp内实现了二阶调制器,改善了噪声整形的能力。 - Moreover , sampling at high frequency eliminates the need for abrupt cutoffs in the analog anti - aliasing filters . a technique of noise shaping is used in - converters in addition to oversampling to achieve a high - resolution
由于在- a d转换器中使用噪声整形技术和过采样技术，可以用一个简单的模拟电路加上复杂的数字电路使整个a d达到一个很高的转换精度。 - 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。 - Because of the using of interpolation , noise shaping and switching amplification in the digital audio amplifier technology , the power supply modulator is not only much efficient but also behaving good in envelope amplification , this advantage is hard to implemented with conventional technology
数字音频功放技术是近年发展起来的高效率音频放大技术，该放大技术采用了过取样、噪声整形等数字音频处理算法和开关功率放大。采用该技术实现的电源调制器不但具备很高的效率，而且能高指标地放大包络信号，是常规的电源调制技术无法实现的。 - Comparing with conventional nyquist converters , - converters greatly release the requirements for high performance of analog circuit and precisely matched components . additionally , these converters exploit the enhanced speed , circuit density and low cost of modern vlsi technologies . currentlly , - adcs have been widely used for audio a / d conversion
- adc采用过采样噪声整形技术实现高精度模数转换,和传统的nyquist率模数转换器相比,避免了对模拟电路性能指标和元器件匹配精度的较高要求,并可充分利用现代vlsi的高速、高集成度、低成本的优点,已成为音频模数转换的主要技术。