fh的例句大全

Simulation of Hybrid DS/ FH Spread Spectrum Technique in LEO Satellite Telemetry& Control Link

混合扩频技术在低轨卫星测控链路中的仿真

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Based on the queuing theory, Logistic mapping and Tent mapping, this paper presents a new method for generating the chaotic FH sequences through mixed mapping in order to increase the linear complexity and anti-prediction of chaotic FH sequences.

基于队列理论、Logistic映射和Tent映射，从增大跳频序列的线性复杂度和抗预测性出发，提出了利用队列排序方式产生混合混沌映射跳频序列的方法。

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Conclusions FH is an euchromosome dominant genetic disease that is caused by the defective LDLR resulted from gene mutation.

结论：FH是一常染色体显性遗传性疾病，为基因突变导致LDLR缺陷所致的遗传性疾病。

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Synchronization is the key technique of DS/ FH hybrid communication system.

同步是DS/FH混合通信系统的关键技术之一。

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Implementation of an Lx Band FH Signal Generator

一种Lx频段跳频源的实现

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Application of Spud Mud Composite Additive FH-2 in Huabei Oil Field

钻井液用开钻复合剂FH&2在华北油田的应用

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We deduce from theory that this method can reduce the time of acquisition, then the dissertation designs and implements a method of synchronization with correlated detection for UWA FH communication.

论文还设计并实现了一种采用相关检测方法的同步头方案实现水声跳频通信中的同步捕获；

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Meanwhile, synchronization is also the difficulty of the development of FH system, which needs supplicated design especially in the fast frequency hopping ( FFH).

同时跳频同步也是跳频通信系统开发的难点，特别在高跳速工作时实现同步捕获和跟踪需要精心设计方案。

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A new acquisitive and tracking algorithm of the DS/ FH hybrid spectrum spread signal under the high dynamic circumstance is designed.

设计了一种在高动态环境下DS/FH混合扩频信号捕获和跟踪算法。

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a sliding window algorithm was developed for speech communications on frequency-hopping ( fh) channels with wideband rejective interference.

为满足在跳频信道上的语音传输需求，研究了一种抗阻塞干扰的“滑动窗”语音传输算法。

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Germen FH: Science Education for Professional Practice

德国FH：为职业实践而进行科学教育

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Based on the performance and features of half-duplex FH radio sets, the data link layer protocol includes Control frame, Information frame and Acknowledgement frame, carries out the ARQ plan which combines the Select Repeat ARQ and Stop-and-Wait ARQ together.

数据链路层的协议，构造了控制帧、信息帧、应答帧，设计了选择重发和停等协议相结合的ARQ方案，支持自适应变速的功能。

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Additionally, jamming for FHSS system mainly affects the synchronization of FH pattern and the judgment of integral of demoded signal to degrade its performance.

此外，对跳频系统的干扰主要影响跳频图案的同步以及解调时的积分判决，因而，如何抑制干扰成为提高系统抗干扰性能的关键。

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DS/ FH hybrid spectrum spread technology takes both advantages of DSSS and FHSS, which has more powerful performance in anti-jamming and anti-intercepting.

DS/FH混合扩频技术综合了DSSS和FHSS两种扩频方式的优点，具有更强的抗干扰、抗截获能力。

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A Study of the Measuring Method for the Limit PV Curve of Bearing Guide Material FH& 857

支承环材料FH&857的极限PV曲线测试方法研究

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In the method of time correlation statistics, full use is made of the break-continue characteristic of FH signals over time and the continuum between each hop of the FH signal to recognize FH signals.

时间相关统计法是充分利用跳频信号在时间上的断续性和每跳间的连续性来识别跳频信号。

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FH-02 does not affect the working performance of four crude oil demulsifiers presently used.

FH-02不影响现用4种原油破乳剂的效能。表6参7。

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As the Beidou satellite navigation system, it is possible to use the time service as the source of synchronization referrence in Tactics FH radio.

随着北斗卫星导航系统的正式运营，利用北斗无源授时服务提供的时钟作为战术跳频电台的同步参考时钟成为了可能。

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Implementation of inter-pulses Costas FH high resolution MMW radar signal using DDS Technology

脉间Costas FH高分辨毫米波雷达信号的DDS实现

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Since F3, the tetraploidy was maintained from one generation to another and to date FH allotetraploid hybrids were produced ( F:!-FM) and a stable and new allotetraploid fish population was formed.

目前四倍体鲫鲤已连续繁殖了12代（F3-F（14）），形成了一个稳定的新的四倍体鱼繁殖群体。

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