delta modulator造句
例句与造句
- A novel synthesis method for behavioral design of sigma - delta modulator
调制器行为级设计方法 - So far , sigma - delta modulator becomes the most attractive technology in vlsi when using it to deal with high resolution a / d converter
调制器结构是迄今为止在vlsi技术中执行高精度a / d变换最吸引人的方法。 - A local nonlinear feedback loop ( lnfl ) technique and a sigma - delta modulator ( sdm ) for promoting highly stable oversampling using the lnfl technique
一种局部非线性回授?路法，以及并利用此一局部非线性回授?路法改良之高稳定性超取样积分三角调变器。 - 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
调制器与过采样相结合,对量化误差噪声进行整形,有效衰减输出信号的带内量化噪声,提高了输出带内信噪比( snr ) 。 - 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
不仅可以减轻积分三角调变器增益不匹配之困扰，并且可以解决后级积分三角调变器容易过负载之问题；然而，却不会让整体系统的讯号杂讯比( snr )降低。 - It's difficult to find delta modulator in a sentence. 用delta modulator造句挺难的
- 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
同时，应用本发明之局部非线性回授?路法亦可以使得积分三角调变器整体系统的电压讯号衰减，因此可以使得积分三角调变器整体系统的幼率消耗降低。 - 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。 - 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
调制器的噪声模型,考虑了影响调制器性能的一些主要非理想因素,通过仿真验证了噪声模型的正确性;最后,设计实现了结构中的主要电路,如运放、比较器、时钟产生电路,阐述了噪声抵消逻辑电路的工作原理,利用hspice和cadencespectre对各电路进行了仿真,验证其功能。 - 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
调制器的原理进行了介绍,分析了各种结构及参数对调制器精度的影响;其次,在理论指导的基础上,利用matlab的simulink工具包对调制器两种主要级联结构: 2 - 1 - 1和2 - 2结构进行了行为级仿真和fft分析,得出了在不同过采样率条件下,两种结构调制器的功率谱密度、信噪失真比以及有效位数,通过比较确定了调制器的拓扑结构。