It was a clean match, well refereed. 比赛没有舞弊行为,裁判很公正。
High-speed analog-to-digital conversion chips can thus exploit hundreds of megahertz of RF spectrum simultaneously. 高速类比数位转换晶片因此能同时运用数亿赫兹的RF频谱。
The design task of this part is to finish the analog-to-digital conversion fast and in order, and then transmit the data to the TTCAN network on time. 设计的任务是完成有序而快速的AD采集,并在TTCAN网络上进行定时的数据发送。
The sensor device of the utility model implements the latest distance and high precision analog-to-digital conversion; 本实用新型的传感器装置实现了最近距离、高精度模数转换;
A novel capacitor mismatch calibration technique for pipelined analog-to-digital conversion is presented. 为了减小电容失配误差,提出了一种电容失配校准的方法。
In the simple and low-cost circuit, the voltage-frequency converters are the desirable devices for analog-to-digital conversion, precision frequency-to-votage conversion and linear frequency modulation. 电压/频率转换器在简单低廉电路中是数模转换、精密频率/电压转换及线性频率调制的理想器件。
In hardware implementation, high performance integrated circuit is used in the amplification circuit to overcome the challenge of the amplification and A/ D ( analog-to-digital) conversion of weak signals with strong disturbing signals. 硬件设计中,主要在放大电路上采用了高性能的集成电路和先进的设计思想,对强干扰背景下微弱信号的放大与A/D转换方式进行了研究。
The CMOS APS technology allows the integration of timing and control electronics, imaging detector arrays, signal chains and analog-to-digital conversion on a single integrated circuit. CMOS图像传感器可在单芯片内集成时序和控制电路、A/D转换、信号处理等功能。
A new type of electro-optic analog-to-digital conversion is presented. It is based on the Optical-Fiber-Coded-Array ( OFCA) and the Acousto-optic-deflector ( AOD). 提出了一种采用光纤编码阵列(OFCA)和声光偏转器实现电光A/D转换的新方案。
In order to reduce the requirements of the speed of analog-to-digital conversion, the antenna switch isolation and speed in surface acoustic waves ( SAW) based radio frequency identification ( RFID) system, an approach based on frequency stepped continuous wave ( FSCW) is proposed. 为降低声表面波(SAW)射频标签(RFID)系统对硬件模数转换器和天线开关速度及隔离度的要求,提出了频率步进原理声表面波射频标签的辨识。
This paper gives an example of intelligent protective device for the radio transmit system used in the radio-paging station, including the design idea, the hardware structure and the method of analog-to-digital conversion with a PIC microcontroller. 介绍一种寻呼台无线发射系统智能保护装置,主要包括它的设计思想和硬件结构,以及利用PIC单片机实现V/F型模数转换的方法。
This paper gives out an analysis of the circuit desig of Analog-to-Digital conversion, time order and frame memory of videophone. 本文对可视电话的模数转换、时序和帧存储器的电路设计进行了分析。
A new type of pixel-level on-chip analog-to-digital conversion circuit for infrared focal plane array ( IRFPA) has been proposed based on serial single-slope integration. 基于串行单斜率积分的原理,提出了一种新型的像素级红外焦平面片上8位模数转换电路。
The key questions include real-time operating system, analog-to-digital conversion in real-time system, multiprocessing in real-time system and communication between multiple tasks. 主要内容包括实时操作系统、实时系统下的模数转换、实时系统下的多任务以及多任务间的通信的叙述。
To the signal collection system of infrasound, it is able to sample 10 input signals, the converter provide 16-bit analog-to-digital conversion and it has function of serial communication to computer. 次声波信号采集系统可对10路输入信号进行采集,A/D转换精度为16位,具备与计算机串行通信的功能。
For the purpose of testing the function of extended ports, digital-to-analog conversion and analog-to-digital conversion, an auxiliary experiment board is made, it includes analog signal outputs, switch signal outputs, LED circuit, eight-segment nixie tubes and a digital-to-analog conversion circuit. 为了验证扩展口、A/D转换和D/A功能,还自己制作一个包括8路模拟量输入、开关量输入、8路LED、4个数码管和D/A转换电路辅助电路板。
A Digital Down Converter ( DDC) converts an intermediate frequency ( IF) band signal into a baseband signal by using a mixer in the digital region and a low-pass decimation filter which can extract one signal channel from the received after the analog-to-digital conversion. 数字下变频的主要目的是经过数字混频将A/D转换输出中频信号搬移至基带,然后通过抽取,滤波完成信道提取的任务。
A FPGA is used as the kernel module to control the data transferring 、 related circuit and chips working, accomplishing the synchronous control among the ultrasonic emission 、 receiving 、 analog-to-digital conversion and ultrasonic imaging. 现场可编程逻辑阵列(FPGA)作为核心控制模块完成对数据传输和相关电路及芯片的控制,主要实现了对超声波激发、A/D转换以及成像部分同步控制。
The optical analog-to-digital conversion is the most promising solutions for the digital signal-processing ( DSP) systems to digitize high-speed analogue signal and to overcome the bottlenecks caused by limited sampling and switching speeds in electronic signal processing circuits. 光学模数转换技术是数字信号处理系统实现高速模拟信号数字化和突破电子瓶颈最有前景的技术。
Then choose linear CCD as the detecting element of system carry out the CCD analog front-end processing, A/ D analog-to-digital conversion through building out hardware acquisition module. 然后选用线阵CCD作为系统的探测元件,通过搭建硬件采集模块实现了CCD模拟前端处理、A/D模数转换等功能。
The signal of oxygen and gas pressure will be transformed by the analog-to-digital conversion and put it into the SCM. The signal of carbon dioxide is picked through the serial interface of the SCM. 采集到的氧气及压力信号经过模数转换后读入单片机,二氧化碳信号通过单片机的串行接口读入。
Therefore, the optical analog-to-digital conversion for microwave signal has been investigated in this dissertation. 因此,本论文以微波信号光学模数转换方法为研究对象。
Pre-compensation technology is proposed, which can dramatically improve the bandwidth of optical analog-to-digital conversion. 提出了走离预补偿技术,可以大大提高全光模数转换系统的带宽。
Through the detection of the eddy current sensor signal after peak detector, amplifier, analog-to-digital conversion by SCM for processing and the judgment signal, thereby to determine the detection to the metal, and alarm. 通过涡流传感器探测到的感应信号经过放大、峰值检波、模数转换后经由单片机进行信号的处理与判断,从而判定是否探测到金属,并报警。
Hardware part is mainly made of photoelectric probe with the cosine corrector as well as the human eye visual correction filter, photoelectric preamplifier and signal conditioning circuit, analog-to-digital conversion circuit, embedded microcontroller processor, touch screen display and control circuit. 硬件部分主要由带有余弦校正器以及人眼视觉修正滤光片的光电二极管、光电前置放大电路及信号调理电路、模数转换电路、S3C2440嵌入式微处理器、触摸屏控制显示电路组成。
Optical sampling measurement technology extend the bandwidth of conventional sampling technology, it is indeed an effective way to measure high-speed signals. The optical sampling technique is a key technique in optical oscilloscopes, all-optical analog-to-digital conversion and ultrahigh-speed signal processing. 光采样测量技术扩展了传统采样技术的带宽,是测量高速光信号的一种有效方法,光采样技术是高速光示波器、全光模数转换和高速光信号处理的关键技术。
Signal processing circuit includes signal analog-to-digital conversion circuitry, signal control circuit, the signal communication circuit, as well as anti-interference design of circuit board. 4. 信号处理电路主要包括信号的模数转化电路、信号控制电路、信号通信电路以及电路板的抗干扰设计。4、数据采集平台。
All optical analog-to-digital conversion makes use of photonic technologies to sample and quantize the electrical analog signal, which has the potential to realize high sampling rate and high resolution at the same time. It is a promising technology to break through the bottleneck of electronic ADCs. 全光模数转换利用光子技术实现对模拟电信号的采样及量化,可以在实现超高采样率的同时,得到高量化精度,是突破电子ADC瓶颈的有效手段。
The Linux driving model was analyzed. The writing of LED, LCD, button and analog-to-digital conversion drivers was completed, according to the requirements of man-machine interaction and information collection of this detection system. 分析了Linux驱动模型,依据检测系统人机交互以及系统采集信息的要求,完成了LED、LCD、按键以及A/D驱动的编写。