iff

S is wise iff S believes S does not know anything .

是聪明的当且仅当S相信自己不知道一切。

S is wise iff S has extensive factual knowledge about science , history , philosophy , literature , music , etc.

是聪明的当且仅当S具有关于科学、历史、哲学、文学、音乐等等上的广泛的事实知识。

Present situation , development and enlightenment of the radar IFF system

雷达敌我识别系统现状、发展及启示

Development of the IFF System and Its Reveal to Us

敌我识别系统的发展及给我们的启示

Application of Side Lobe Suppression Technique in Type ⅱ IFF System

旁瓣抑制技术在Ⅱ型敌我识别系统中的应用

IFF Systems Based on Different Ways to Acquire Information

基于不同信息获取方式的敌我识别系统

Built up various simulation models for the simulation of the IFF systems .

建立了二次雷达系统仿真所需的各种仿真模型；

Study on Problems in Radar IFF System

对雷达敌我识别系统中若干问题的研究

Study on the countermeasure against Laser IFF System

对激光敌我识别系统的对抗问题研究

Techniques of a New Cooperative IFF System

新型协同式敌我识别系统技术研究

Azimuth zero correction is an important aspect for IFF system correction .

方位零值标校是识别器设备系统标校的一项重要内容。

IFF is an important part of modern warfare .

敌我识别是现代战争中重要的一环，只有识别到敌方，才能有效的攻击敌方。

Study of Laser IFF System

激光敌我识别系统

A Prototype Circuit to Generate DS Code in IFF System

IFF系统DS码产生的硬件设计

Several Azimuth Zero Correction Methods for the IFF System Deployed on Mobile Platforms

机动平台识别器方位零值的几种标校方法

AIMS - Airspace Traffic Control Radar Beacon System IFF Mark XII System

空中交通监控雷达信标系统敌我识别标志XII系统

Research on Microwave IFF System

基于一种嵌入式微控制器的微波敌我识别系统研究

IFF System and Its ECM Capability Analysis

敌我识别系统及其电子对抗能力分析

IFF ( Identification , Friend or Foe ) technology saw first application to military aircraft .

敌我识别技术（IFF）最早应用于飞机上。

IFF is one of important application of automatical target recognizing ( ATR ) technology .

敌我识别（IFF）是自动目标识别（ATR）技术的重要应用之一。

Research on IFF Mode S Burst DPSK Signal Demodulation Arithmetic and FPGA Implementation

敌我识别S模式突发DPSK信号解调算法研究及FPGA实现

Iff you look back , your journey is ended .

如果你向后看，你的旅程已经终结。

Type Iff Burst and Its Propagation in Solar Atmospheric and Interplanetary Plasma

Ⅲ型爆发及其在太阳大气行星际等离子体中的传播

Design of Laser Beam Coded IFF and Its Coder

激光束编码的敌我目标识别及其密码器设计

Small IFF device for single or group soldiers a lane Between the lines of the soldiers

单兵（或兵组）使用的小型敌我识别器一排排士兵间的小通道

Mode V Encryption IFF system

模式Ⅴ加密敌我识别系统

IFF signal is a type of signal by which the station on earth can identify the flying plane .

IFF信号是飞机与地面站之间进行相互识别的一种信号，包括询问和应答两种格式。

At the end of this paper , the development trend of future IFF system and the key technology of IFF are also discussed .

本文还对未来敌我识别技术的发展趋势和关键技术作了讨论。

The market is arbitrage-free iff equivalent martingale measure exists .

等价鞅测度的存在导致市场无套利，反之无套利市场一定存在等价鞅测度。

Design of IFF Interrogator Receiving System

敌我识别询问机接收系统的设计