1) noncoherent frequency-hopping communication
非相干跳频通信
2) noncoherent communication
非相干通信
1.
By using second order channel statistical information,a novel noncoherent communication method for space correlated fast fading channel is proposed.
利用信道的统计相关信息,提出一种在快衰落相关信道中非相干通信的新方法。
3) frequency-hopping communication
跳频通信
1.
MIMO Frequency-Hopping Communication System and Its Sequence Design;
MIMO跳频通信系统及其序列设计
2.
Based on chaos theory,an adaptive multi-step prediction algorithm was engaged to predict the several frequencies of frequency-hopping communication at one time.
多步预测可更好地满足预测的实时性,对近年来提出的跳频通信预测干扰具有更好的工程应用价值。
3.
According to chaotic characteristics of FH frequency series, a adaptive multi-step adaptive prediction algorithm is engaged to predict the several frequencies of frequency-hopping communication at one time.
仿真实验说明这种多步预测方法是可行的,在一定的预测精度下可同时实现对未来多个频点的有效预测,对跳频通信预测干扰具有更好的工程应用价值。
4) frequency hopping communication
跳频通信
1.
Error control for frequency hopping communication systems under man-made noise;
阻塞干扰下跳频通信系统差错控制
2.
Analysis on the characteristic of self-adaptation frequency hopping communication;
自适应跳频通信特性分析
5) frequency hopping
跳频通信
1.
Reconnaissance probability analysis of the shipboard frequency hopping radio;
对舰载跳频通信信号的侦察概率分析
2.
To analyze and detect the feature of frequency hopping signal exactly is a crucial prerequisite to carrying out disturbance to follow the track of signal.
小波变换是信号的时间-频率分析方法,它具有多辨分析的特点,它能有效地检测和识别跳频信号,在跳频通信中有极其重要的作用。
3.
FH (Frequency Hopping) has many benefits such as good security, stronganti-jamming and CDMA network building, and etc.
跳频通信以其保密性好、抗干扰能力强和码分多址的组网功能等优点,在军事方面和民用方面都显示出其优势。
6) FH communication
跳频通信
1.
By analyzing the correlation between the suppression capability of FH communication for multiple interferences and FH processing gain,a method for calculating the anti-jamming capability of FH communication system for wide-band interference,multi-tune interference and tracking interference is given in this article.
跳频通信是一种具有较强抗干扰能力的通信体制。
2.
In the paper,based on FH communication principle,anti-jamming performances are analyzed under full-band noise jamming and partial-band noise jamming condition.
跳频通信系统与常规定频通信系统相比具有较强的抗干扰能力。
3.
Gives a introduction of the Beam-Formed of Smart-antenna, With the characteristic of FH communication, I brings forward a kind of anti-jamming scenario which make use of the technique airspace filtrate.
对智能天线的波束形成法进行了介绍,结合跳频通信的工作特点给出了一种利用空域滤波技术进行抗干扰的方案,重点介绍了利用FPGA(FieldProgrammingGateArray)进行天线阵元权值计算的实现过程,并给出了仿真结果。
补充资料:相干散射和非相干散射
再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下,源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中,存在一系列因素使散射过程成为非相干散射。主要的因素是:原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射,源函数是相当复杂的。
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