查询词典 digital signal processing

Within the Shannon interpolation formula can be used in digital signal processing in sequence from the sample to recover the original signal.

详细说明：香农内插值公式，可以用在数字信号处理中从采样序列中恢复出原信号。

The simulation results show that the denoising effects of the three methods are all superior to that o f Fourier transform, and the influence of colored noise can be eliminated effectively by bispectrum methods. That is very i mportant for reconstructing LoranˉC signal under the condition of small signalˉtoˉnoise ratio, and also lays the fou ndation for digital LoranˉC signal processing.

仿真分析结果表明，三种方法的去噪效果都优于传统的傅氏变换法，且双谱估计能够有效地去除色噪声的影响，对于小信噪比条件下的罗兰C信号的提取和恢复具有重要意义，也为复杂环境下对罗兰C信号的数字处理奠定了良好的基础。

By installing the microwave antenna and gravity accelerometer to the rotating flying object, the Digital Signal Processing systems inside it can receive the linear polarization electromagnetic wave emitted by the land microwave transmitter and the output signal of the accelerometer.

论述了在高速的旋转飞行体上安装微波天线和重力加速度计，由地面微波系统发射线极化微波，飞行体上的信号处理系统利用接收到的微波的线极化特性和重力加速度计输出的信号波形，对其飞行状态进行精确识别的技术。

this paper introduces a lossless detected circuit system.firstly,system gathers slender infrared signal with transducer,then amplifies them with low noise.through voltage comparator circuit,transforming simulation objection signals to digital signals.finally,transforming transport landscape orientation and portrait to single chip processing.in design of pcb,the amplifying of quadruplet signal,filter,voltage comparator decree and and logic function are manufactured in one board.if the diameter of workpiece is long,it can add multiple the number of transducer of four,to wide its range of practice,disposing circuit only need one module.

摘 要：介绍了一种无损检测的电路系统。系统首先利用传感器采集到微弱的缺陷信号，再将缺陷信号进行低噪声放大，然后通过电压比较判决电路将模拟缺陷信号变换成数字信号，最终将横、纵两路的输出信号送至单片机处理。在pcb设计中，将四路信号的放大、滤波、电压判决以及与逻辑功能做在一块板上，若被检测工件的直径较大，可以将传感器的个数以四的倍数增加，处理电路只需增加一个模块。

It is difficult to distinguish the signal from the noise in the time domain and frequency domain by the regular digital signal processing algorithm.

近年来迅速发展起来的小波变换分析法，具有很强的时频局部化特性和信号特征提取能力，特别适用于局部放电这类脉冲信号的处理。

The differential system and pulse polarity discriminating system is improved and the hardware are made which is adaptive for the on-line detection system. The pulse polarity can offer control signal for follow-up sampling unit to do some signal digital processing.

并应用改进的差动平衡法和极性鉴别法研制了抗干扰系统，实验证实该抗干扰系统提高了整个检测系统的抗干扰能力，有利于后续系统对信号做进一步的处理。

Digital Signal Processing Module, including convolve, deconvolve, correlate, Signal Generator, Hartley Transform, Fourier Transform, Windows Function, Finite and Infinite Impulse Response Filter.

通用软件平台主要由六类软件开发包来实现，包括： 1。数字信号处理软件包：负责基础的数据处理，针对仪器所分析的信号从单独离散量，到一维谱图、二维图像及动态分析系统的多维数据等，提供信号生成、时域处理、频域处理、窗函数和滤波器设计等功能函数。

Through analyzing the features and performances of CIC filters,HB filters and multiphase-filter,we combine them with decimators and decimate the A/D data,thus reducing the digital signal rate and the load of DSP when processing the base band signal.

通过分析CIC滤波器、HB滤波器和多相滤波器的特点和性能，将它们与抽取器相结合，对A/D转换后的数据进行抽取，降低了信号采样率，减轻了后续DSP处理基带信号的压力。

According to the current high real time peculiarity and high precision demands of beacon beam processing subsystem of space optical communication and the requirements of our project, the method that uses digital signal processor to solve the image position error signal extraction of beacon beam is proposed in this dissertation. It have the following advantages: the small system volume, the slight weight, the small power, the high real time peculiarity and the high precision and so on.

根据目前空间光通信对信标光处理子系统提出的高实时性和高精度性的要求以及课题的需要，本论文提出用数字信号处理芯片DSP来解决空间光通信中信标光的像面位置误差信号提取的问题，其优点就是系统体积小、重量轻、功耗低、实时性高、精度高等。

The ratio of signal-to-noise is raised and the system reliability is improved by using the digital signal processing technology.

采用的数字信号处理技术，有效地提高了采样信号的信噪比，增强了系统的可靠性。

Summary In copyright infringement cases,if the alleged infringer uses or even plagiarizes the copyrighted works or parts thereof,which causes no substantially adverse effect on the normal exploitation of the work,nor does it inflict any substantial damages to the right owner,the de minis doctrine should be applied to exempt the liabilities of the defendant and seek the balance of interests between the right owner and the general public embodied by the copyright law.

在侵犯著作权案件中，如果被控侵权行为人虽未经著作权人的同意，使用甚至抄袭了受著作权保护的作品或作品的片段，但若情节轻微，未对该作品的正常使用产生任何实质不利的影响，亦未对权利人的权利造成实质性的损害，则应适用&不计琐细原则&，免除行为人的责任，以寻求在权利人利益与著作权法所体现的社会公共利益之间的平衡。

This new product will become our best seller.

这个新产品会成为我们最畅销的产品。