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digital signal processing相关的网络例句

查询词典 digital signal processing

与 digital signal processing 相关的网络例句 [注:此内容来源于网络,仅供参考]

Double channel bandpass sampling method for wide band IF signal is presented to settle the problem of blind zone,which exchanges one more sampling channel for simplification of clock circuit and band pass filter.As a practical reconnaissance receiver, real-time processing performance must be considered.Digital channelizing method lays the base of parallel processing by multi DSP chips and discarding of the redundant data resulting from double channel bandpass sampling.

针对带通采样存在着频率覆盖盲区的问题,提出了宽带中频信号双通道带通采样的方法,通过增加一个采样通道既解决了传统处理盲区方法中设计复杂采样时钟电路、高矩形系数滤波器的困难,还缓解了后续DSP处理压力。

The content mostly refers to signal pre-processing and post-processing, signal synchronization, digital multiplexer, and system integration.

主要包括的相关内容有:信号的预处理与后续处理,信号同步,数字复接,以及系统合成等内容。

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。

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。

Its purpose is to develop an all digital method that can complish despreading and carrier frequency measuring by the use of modern signal processing technique and to manufacture a set of frequence measuring and correcting system to fit the project demand.

论文的目的是利用现代信号处理技术,研究一种全数字化的解扩及载波频率测量方法,并利用该方法研制一套频率测量及校正系统,以满足工程需要。

At first the Digital frequency shifting repeater transforms the original signal to the 70MHz IF signal in the donor, then the Frequency shift relay digital processing unit Digital Spread Spectrum the IF signal and through the 5.8GHZ signal to transmit to the remote end.

数字移频直放站首先在近端机内将将信源信号转换为数字70MHZ中频信号,通过&移频中继数字处理单元&将中频信号数字扩频后通过5.8GHZ的信号传送到远端。

Only oneA/D converter is needed to complete complex quadrature translation and digital downconversion, get in-phase component and quadrature component in digital field, and also,after intra-pulse compression is done, the signal-to-noise ratio is raised, and inter-pulsecompression is done in digital field, and finally, high range resolution profile is got.Two-step stretch processing method for MMW high-resolution RADAR is presented.

计算并优化了毫米波雷达中频信号带通采样的最佳采样频率,应用现有的集成电路技术实现对中频信号的直接采样、用一个A/D转换器在数字域完成复数正交变换,在数字域完成下变频、获得同相信号和正交相信号、完成对子脉冲的脉内压缩、完成对脉内压缩信号的第二次脉间压缩,从而获得高分辨一维距离像。

Application of Image Processing System Based on Digital Signal Processor to Temperature Field Measurement in Laser Molten Pool.

基于数字信号处理器的图像处理系统在激光熔池温度场检测中的应用。中国激光, 2009, 36(4): 1016~1019

Secondly, we discuss the application of IF sampling and digital demodulation technique in PD weather radar signal processing system.

其次,本文研究了中频采样及数字解调技术在气象雷达中的应用。

Oversampled ADCs based on sigma-delta modulation are well-suited to the implementation of analog interfaces in digital communication and signal processing systems.

过采样∑△ADC采用∑△调制技术来实现模数转换,非常适合用来实现数字通信系统和信号处理系统中的模拟接口部件。

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啊!不用提了。提到肉,真是糟透了。

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