The key component of the system is a digital intermediate frequency receiver employing DSP and FPGA to obtain amplitude and phase data in real-time, which improves measurement speed and flexibility.
该系统的关键部件是一个数字中频接收机，利用DSP和FPGA实时获取幅度和相位数据，从而提高了测量速度和灵活性。
Low and intermediate frequency instability models are taken up first.
首先处理低频和中频不稳定性的模型。
The block diagram of intermediate frequency feed thru nuller is given.
给出了设计中频对消器的原理框图。
The intermediate frequency noise is always a difficult problem of the ship system that is to be solved.
中频噪声一直是舰船系统有待解决的难题。
The intermediate frequency circuit includes QPSK modulation based on HFA3724, PLL circuit based on MB1502.
中频部分主要由HFA3724正交调制解调器和基于MB1502的锁相频率合成电路等组成。
This paper discusses the realization of the digital intermediate frequency modul in software radio system.
本文讨论了软件无线电收发系统数字中频模块的实现方法。
The pure quartz lump becomes quartz tube via untouched technology of intermediate frequency induction heating.
采用中频感应加热无接触技术，将石英净坨拉制成为石英管。
Products are melted by the intermediate frequency electric furnace and processed by numerical control processes.
产品全部采用中频电炉熔炼，数控加工。
A feasible digital intermediate frequency receiver based on software radio technology is presented in this paper.
基于软件无线电思想介绍了一种可行的中频数字化接收机系统设计方案。
Methods 107 cases with scapulohumeral periarthritis were treated by modulation random intermediate frequency current.
方法采用调制随机中频电流机治疗肩周炎患者107例。
And the application in intermediate frequency digital receiver proves this software system's efficiency and dependability.
在中频数字接收系统中的应用验证了此软件系统的效率和可靠性。
This paper introduces an AFC algorithm for a zero-intermediate frequency direct-sequence spread spectrum digital receiver.
为了使得射频源和波导管的频率保持一致 ，采用了自动频率控制系统 （AFC）。
Low or intermediate frequency combustion instability generally involves the interaction of several components of an engine system.
低频或中频燃烧不稳定性通常包含发动机系统中几个组件的相互作用。
An intermediate frequency amplifier is designed to suppress the parasitic amplitude modulation and suppression effect is also analyzed.
设计了一种中频放大器以抑制寄生调幅干扰并分析抑制效果。
GPS digitized intermediate frequency signal sampler was used to validate the algorithm of acquisition and tracking of software receiver.
采用GPS中频信号采样器采集实际GPS数据，对搜索和跟踪算法进行了验证。
We extract watermarks in the intermediate frequency and low frequency region and compare them, using the extracted watermark which is better.
水印检测时，分别在中频和低频区域提取水印并进行比较，采用效果较好的水印作为检测水印。
The system adopts superheterodyne architecture. It consists of intermediate frequency (IF) band and radio frequency (RF) band hardware design.
该收发信机采用超外差结构，主要包括中频部分的硬件设计以及射频部分的硬件设计。
The line is composed of steel shot blasting, intermediate frequency heating pipe, electrostatic spraying, infrared heating curing process equipment.
该作业线由钢管道抛丸除锈，中频管道加热；静电喷涂；红外线加热固化等工艺设备组成。
An adaptive stochastic resonance algorithm is proposed and used in detecting the fault signal of intermediate frequency power source. The result is preferable.
提出了一种随机共振自适应算法，并运用于中频电源的故障信号检测，取得了较好结果。
The aim of the paper is to research and develop a new, high-power, high efficiency and energy-saving intermediate frequency power supply for induction heating.
本课题旨在研究新型高效节能大功率感应加热电源，与合作单位共同研究提出一机三炉感应加热电源装置。
According to GPS signal structure and modulation characteristics, a GPS intermediate frequency digital signal is simulated under the condition of noise environment.
根据GPS信号的结构和调制特点，加上环境噪声，模拟出GPS中频数字信号。
This paper introduces the theory and design method of digital intermediate frequency receiver, and based on high speed DSP and FPGA establish hardware process platform.
介绍了一种数字中频接收机的原理与设计方法，并以高性能DSP、高速fpga为基础，搭建硬件处理平台。
Introduce the work principle of the cold roller about two frequency quenching device and intermediate frequency system, the method of debugging and valuable experience.
介绍了冷轧辊双频淬火装置中频系统的工作原理、调试方法和宝贵经验。
Finally the fruit of research for my master degree presents in the way of actual de-hopping and digital intermediate frequency receivers that have passed the examination.
最终以通过检测的跳频解跳与数字中频接收机的实物作为硕士期间的研究成果呈现。
In high power laser system, a small size phase-distortion wavefront measure is necessary to compensate and control the wavefront of laser beam with intermediate frequency.
在高功率激光系统，激光束小尺度相位畸变波前探测是实现激光束中频段波前补偿与控制的重要前提。
Objective To explore the clinical effect of ultrashort wave plus gal vanoionivation I-or ultrashort wave plus intermediate frequency electrotherapy on chronic laryngitis .
目的：探讨超短波并直流电碘离子（I-）导入或超短波并中频电治疗慢性喉炎临床疗效。
The paper introduces some experience in anti-interference for design and parallel operation of small intermediate frequency three-phase synchronous generator with active load.
本文介绍了带有源负载时，小型三相同步中频发电机的设计和并联运行时抗干扰方面的一些经验。
The invention specifically relates to a device for generating hot water, boiling water and vapor by intermediate frequency and variable frequency induction heating metal pipes.
具体 是一种中频、变频感应加热金属管产生热水、开水、蒸汽的装置。
The invention specifically relates to a device for generating hot water, boiling water and vapor by intermediate frequency and variable frequency induction heating metal pipes.
具体 是一种中频、变频感应加热金属管产生热水、开水、蒸汽的装置。
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