提出了一种基于嵌入式平台的超高频rfid读写器的实现方案，接收机采用零中频检波技术。
This paper proposed a novel mechanism of implementing an UHF RFID interrogator based on Embedded Platform, the receiver architecture used Zero-IF Detect Structure.
相比之下，液晶显示技术通过一排微型的彩色过滤器与液晶体检波器来从背光中过滤光源。
LCD displays, by contrast, filter light from a backlight through an array of tiny coloured filters and liquid-crystal shutters.
本文就SN7C系列超级检波器的基本设计思想、特点及技术水平进行简要介绍。
In this paper, the basic design principle, character and the technical level of SN7C series super geophone are briefly introduced.
这种采用锁相技术、同步检波的原理，降低了整个系统的成本，提高了灵敏度，并使得载波信号与调制信号完全达到同步。
The application of phase-locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. Carrier signal and modulation signal achieve entirely synchronous too.
其深度点技术仅意味着用不同的震源——检波器的分布形式多次重复每个反射观测。
The common-depth-point technique merely means the manifold repetition of each reflection observation with different source-detector geometry.
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。
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.
重点介绍了光栅数字地震检波器的结构设计、理论分析、辨向细分技术等。
Configuration design, theory analysis, directions distinguish and subdivision technology are presented as emphasis.
共振解调技术对低频冲击的高频共振波形进行包络检波，可以有效地提取低频冲击特征。
By envelope demodulation of the resonance in a range of high frequency caused by the shock of low frequency, the resonance demodulation technique can effectively extract the shock features.
因其独特的制造技术，MEMS检波器具有超低噪声，大动态范围和极高的向量保真度性能。
Since its unique manufacturing technology, the MEMS geophone has ultra-low noise, larger dynamic range and very high vectorial fidelity performances.
涡流地震检波器是一种较常规动圈式地震检波器有许多优点的新型检波器，但测量它的技术手段还不够完善。
The whirling geophone is a new type of geophone which has many virtues to the normal coil geophone, but now the technical means for measuring is not perfect enough.
光纤检波器是光纤传感技术在海洋技术上的重要应用，它是目前最理想的水声信号探测装置，在军事反潜战中扮演着重要角色。
The fiber-optic hydrophone based on the optical fiber sensing technology is the most ideal underwater acoustic signal detector at present and plays an important role in military wars.
光栅数字检波器是基于光栅测量技术具有误差平均效应、精度高、动态范围宽等特点而设计的。
Grating digital geophone is designed based on that the grating measurement techniques are the characteristics of averaging-error effect, high precision and broad dynamic range.
检波器测试仪是一个涉及多项物理量和具有多个技术参数测试功能的石油物探专用计量仪器。
As a specialized measurement appliance of physical exploration for petroleum, geophone tester involves multiple physical magnitudes and technical parameter testing functions.
在此基础上，结合包络检波等技术本文设计了实时信号检测和目标定位的仿真程序。
On this basis, with the combination of envelope detection and correlation peak interpolation techniques, a simulation program of real-time signal detection and targeting is designed.
地震检波器是野外地震数据采集最为关键的设备之一，其性能直接关系到采集数据的质量及地质效果，因此，地震检波器的技术和应用一直倍受广大物探工作者的关注。
The seismic geophone is the key part of seismic data acquisition, and its property has direct influence on the quality of seismic data and the effect of geologic interpretation.
采用传统的检波器组合地震采集技术在中国西部一些复杂山地地区的效果不理想。
Using traditional geophone array technique for seismic acquisition leads to unsuccessful results in some complicated mountain areas of west China.
基于网络传输技术的无线单点检波器用于高密度三维地震数据采集具有采集能力强、采集投入低、采集设计方便、施工效率高等优势。
Cable-free node system and wireless geophone network shows great superiority in land high density seismic acquisition in terms of cost, weight, reliability, and data quality.
单点地震技术具有野外数据采集速度快，使用检波器数量少，仪器轻便，实时观测地质体弹性波变化规律和无需复杂的数据处理等优点；
The single-receiver seismic technique is demonstrated to be quicker on the data acquisition in the field, and with less using geophones than other seismic methods. The instruments…
单点地震技术具有野外数据采集速度快，使用检波器数量少，仪器轻便，实时观测地质体弹性波变化规律和无需复杂的数据处理等优点；
The single-receiver seismic technique is demonstrated to be quicker on the data acquisition in the field, and with less using geophones than other seismic methods. The instruments…
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