The performance of the digital detector used in cable receive channel has been improved obviously.
用于地震勘探电缆接收道的数字检波器,其性能已有了很大提升。
In this paper, the basic principle of geophone detector and the frequency characteristics of SN-4 digital detector are briefly introduced.
简要介绍地音探测器的基本原理,SN - 4数字检波器的频率特性。
Three Direct Digital Synthesis (DDS) chips, AD9832, are used in the design of a balanced coil intelligent metal detector.
在平衡线圈式智能金属探测器的设计中,使用了三片直接数字合成(DDS)芯片ad9832。
A new digital watermark detector is proposed in this paper, which is based on attacks characteristics complementary between different image processings.
这里基于图像处理的攻击特性的互补提出了一种新的数字水印相关检测器。
This system is composited by PC, MCS-51 microchip and digital electric parameter detector.
该系统由PC机,MCS - 51系列单片机以及数字电参数测量仪组成。
Digital monitoring system has set aside alarm interface, it would be able to take the initiative to connect detector or passive emergency button, an increase of incidents of police video features.
数字监控系统预留有报警接口,将来可以连接主动探测器或被动式紧急按钮,增加对突发事件的报警录像功能。
Comparing with traditional maximum likelihood detector and optimized Bayesian detector, it is demonstrated by digital simulation that this new fuzzy detector gets good control results.
数字仿真结果表明,对比传统的最大似然检测器和最优贝叶斯检测器,这种新型的模糊检测器取得了良好的控制效果。
It is composed of adaptive MTI (AMTI) with variable number of pulses, digital pulse compression (DPC), moving target detector (MTD), digital integration (di) and constant false alarm rate (CFAR).
它包括点数可变的自适应动目标显示(AMTI),数字脉压(DPC),动目标检测器(MTD),数字积累(DI)和恒虚警率处理(CFAR)。
Up-to-the-art developments of spectroscopic techniques are reviewed, including digital spectrometer, CdZnTe detector, new spectrum analysis methods and new spectrometer system design techniques.
从数字化谱仪、碲锌镉探测器应用、能谱分析新方法和谱仪系统设计新技术等方面综述了近年来国内外谱仪技术的研究及进展。
It can enhance imaging speed and obtain high clear image that EMCCD detector can been used in X-Ray digital imaging system.
EMCCD探测器能够在微光条件下,获得高质量的图像,把它应用到X射线数字成像系统能够提高成像的速度并获得高清晰图像。
A way of digital phase detector applied to the laser phase distance measurement system is introduced in this paper, which is based on DSPs and FFT algorithm.
本文介绍了应用于激光相位式测距中的一种数字相位计的实现方法,该方法是基于DSP器件运用FFT算法完成的。
This paper discusses an all digital phase-locked loop with a zero-crossing detector and a loop filter.
本文讨论的全数字锁相环包括过零检测器和环路滤波器。
Objective To compare the imaging quality and the anatomic detail in thoracolumbar spine of amorphous selenium flat-panel detector digital radiography(DR) system and computed radiography(CR) system.
目的比较非晶体硒平板探测器DR与CR系统的胸腰段脊柱照片图像质量和解剖结构可见度。
Objective To introduce new digital tomography based on flat panel detector(FPD) supplied in small arthrosis or planter cast patient in medical imaging diagnostics.
目的:探讨基于平板探测器的数字断层融合新技术在骨骼系统,尤其是小关节病变或打石膏患者影像学检查诊断中的应用。
It was suggested that direct intermediate frequency sampling was approached by two branch sampling, otherwise digital product detector was adopted to digital interpolation.
提出用二分项采样法实现直接中频采样,而数字式检波器采用数字内插法。
An automatic seismic signal detector based on a fast algorithm of energy spectrum has been developed for digital accelerograph.
我们在能量谱快速计算的基础上,研制成功了用于数字化加速度仪的自动地震信号检波器。
The large scale parallel digital circuit with the one detector to one processor structure was used for the near distance image, the recognition of the part of plane could be realized.
对于近距离图像,采用探测元与处理电路一一对应的大规模并行数字电路,实现目标部位识别。
On basis of them, the influences of mismatch factor and unsynchronized phase on the detection performance of the digital LPI radar detector are analyzed.
针对多种可能情况进行了多通道数字去斜算法仿真,并从实验结果中分析了通道对LPI信号的失配和相位不同步对系统检测性能的影响;
Before the design of digital circuit, measurement method of phase difference is discussed. Two-way zero passage phase detector is chosen as solution finally.
在正式进入数字电路设计之前,先讨论了相位差测量方法,并选定双向过零鉴相作为实现方案。
The coherent quadrature detector is one of the key technologies for providing high quality quadrature signal for digital signal processing in radar, sonar, communication and other systems.
正交相干检波是雷达、声纳和通信等系统中为数字信号处理提供高质量的正交信号的关键技术之一。
This paper presents the working principle of the digital ultrasonic detector, points out its advantages and existent technical problems and takes a look at its wide application perspectives.
本文给出了数字化超声探伤仪的工作原理,指出了该仪器的优点及存在的技术问题,展望了其广泛的应用前景。
The control system is composed of setting unit(host computer ), digital controller , input channel (position detector)and output channel (actuating mechanism).
电控系统由设定器(上位机)、数字控制器、输入通道(位置检测)和后向通道(执行机构)构成。
Digital RMS detectors principle and character are introduced in this paper, and compare with analogue RMS detector.
介绍了数字真有效值检波器的原理和性能并与其它真有效值检波器做了对比。
The receiver unit mainly consisted of the digital down converter, matched filter, integration and dump module, power detector, symbol tracking processor, differential demodulator and so on.
接收部分主要是扩频系统的数字下变频、积分清洗、匹配滤波器解扩、功率检测、符号跟踪、差分译码等技术。
A new type of boiler burner flame detector has been developed recently based on image optical fiber and digital image processing, which represents the current world advanced technology.
基于传像光纤和数字图像处理技术开发的锅炉燃烧器火焰检测装置,是近年来推出的一种新型火焰检测装置,它代表了当前世界先进水平。
Thanks to the rapid development of digital technology, novel digital ultrasonic detector is becoming the main method of rail test.
随着数字技术的进步,新型数字式钢轨超声探伤仪将成为我国铁路钢轨检测的主要手段。
In corresponding electronic circuit, a digital temperature sensor and an extra detector were utilized to calculate parameters of models in real time.
在对应电路中利用一个温度传感器和一个探测器去实时计算模型参数。
The utility model relates to an electromechanical integrated detector of digital processing for detecting a dissociation constant of weak electrolyte.
本实用新型涉及一种测定弱电解质解离常数数字化处理的机电一体化测定仪。
Then the demodulated signal and the signal of the reference piezoelectric hydrophone were input into a high-resolution digital phase detector to get the phase difference.
然后,解调后的信号和基准压电水听器的信号输入到一个高分辨率的数字鉴相器的相位差。
The device is a compensating unit comprising detector, microprocessor and digital interface.
其装置是引入补偿单元,由探测器、微处理器、数字接口组成。
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