1) DRFM
数字储频
1.
Jamming signals are generated by sampling memory and copying in DRFM technique which is widely used in the electronic countermeasure system.
目前电子对抗系统广泛使用的数字储频技术主要是通过采样、存储和复制产生干扰信号。
2) digital radio frequency memory
数字射频存储
1.
A new digital radio frequency memory(DRFM) system architecture based on digital channelized receiver is introduced.
提出一种基于数字信道化接收的数字射频存储(DRFM)系统设计方法。
3) digital radio frequency memory
数字射频存储器
1.
The noise jammer using digital radio frequency memory(DRFM)technology,has the features of high frequency spot accuracy,narrow noise bandwidth and high jamming power efficiency,is effective in jamming against pulse Doppler(PD) radar.
采用数字射频存储器(DRFM)技术的噪声干扰机,具有瞄频精度高、噪声带宽窄、干扰功率利用率高的特点,可对脉冲多普勒(PD)雷达实施有效干扰。
2.
The digital radio frequency memory(DRFM) is the core of the electronic countermeasure (ECM),it samples and saves the signal which is from down frequency conversion of radar signal,then postpones and sends it out, thus the deception and interference in distance are realized.
提出一种基于可编程逻辑器件 (PLD)的数字射频存储器(DRFM)的设计新方法 ,并通过仿真部分实现。
4) DRFM
数字射频存储器
1.
Research of GPS Receiver in High Spinning Environment based on DRFM;
数字射频存储器的旋转状态下GPS信号接收
2.
Design of DRFM based on FPGA;
基于FPGA的数字射频存储器设计
3.
Design and Implementation of a High-Speed 3bit GaAs Phase ADC for DRFM;
数字射频存储器用GaAs超高速3bit相位ADC的设计与实现
5) DRFM
数字射频存储
1.
In order to jam effectively the radar, the DRFM technique and the ways of time-shift, weighing and frequency-shift were adopted to produce immobile false targets, moving false targets, and false targets with a few moving parts, respectively.
国外在研与现役雷达大多采用线性调频脉冲压缩技术,为了对其进行有效的欺骗干扰,利用数字射频存储(DRFM)技术,采用时移,幅度加权和移频调制的方法,分别产生静止假目标,整体运动假目标以及有局部运动的假目标,模拟一定信干比条件下的雷达回波与干扰经该类雷达的信号处理过程,对其进行距离速度欺骗。
2.
Digital arithmetic of Hilbert transform is given in allusion to DRFM adopting single channel sampling.
针对单通道采样结构的数字射频存储器,给出利用希尔伯特变换产生多普勒信号的数字算法。
3.
A new method of DRFM based on amplitude-phase quantization is presented with its working mode and the amplitude to phase/phase to amplitude converter discussed.
提出了一种新的基于幅相量化的数字射频存储(DRFM)技术,阐述了它的工作原理和关键部件——幅相/相幅转换器的设计思路。
6) DRFM technique
数字储频技术
1.
This paper provides a scientific method to interfere Synthetical Chirp Radar by using DRFM technique, and designs a system of DRFM by using 3 bit phase quantization.
提出了应用数字储频技术对综合脉冲压缩雷达进行干扰的理论,并设计了一种3bit相位量化DRFM系统。
补充资料：储层描述(见油气田储层评价)
储层描述(见油气田储层评价)
reseroir evaluation of oil and gas field
储层描述(reseroir evaluation of 011 and gasfield)见油气田储层评价。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条