Secondly, the multiple access interference problem in FFH/ MFSK system is analyzed.

FFT-based Detection of Existence of Synchronization Signal for FFH System

基于FFT的快速跳频同步信号存在性检测

A New ALE Calling Method In FFH/ FSK System

短波快速跳频系统下新的ALE呼叫方法

Research of Communication Technology Using FFH/ DS Hybrid Spread Spectrum

FFH/DS混合扩频体制通信技术研究

FFH system is an important spread-spectrum system, which has excellent anti-interference capacity and causes great attention in the research field of military communication.

作为扩频通信体制中的一种重要类型，快速跳频系统因其出色的抗干扰、抗截获和抗人为阻塞能力，在当前军事通信研究领域引起广泛关注。

The Soft-decision and Erasure Decoding Method in FFH Systems

软判决与消去解码方法在快速跳频系统中的应用

Objective It is to explore the prognostic value of fetus Fibronectin ( fFN), length of cervix uteri and formulation of cervix infundibulum detected by vagina sonography for premature delivery.

目的探讨检测早产高危孕妇宫颈分泌物中胎儿纤维连结蛋白（fFN），阴道超声检查宫颈长度、宫颈漏斗形成情况预测早产的价值。

Objective To study the relationship of fetal fibronectin ( FFN), Bacteria vaginosis ( BV) and chorioamnionitis. To evaluate the diagnostic value of FFN for chorioamnionitis.

目的通过检测胎儿纤连蛋白（FFN）研究细菌性阴道病和绒毛膜羊膜炎的关系，为产前早期诊断绒毛膜羊膜炎提供新方法。

The experiment showed that the baking effect was good when FFN was 91~ 158 s and the comprehensive baking effect was the optimum when FFN was ( 91 s).

实验表明：FFN值的范围在91~158s时，烘焙效果较好，FFN值91s时，综合烘焙效果达到最佳。

Combining the FFN determination with Bishop mark could provide the evidence of reliability for the induced labor by Misoprostol in late trimester of pregnancy clinically.

应用FFN测定结合Bishop评分，为临床确定使用米索晚期妊娠引产的安全性提供依据。

Objective To investigate the value of fetal fibronectin ( fFN) in the cervical secretions in predicting the threatened preterm labor.

目的探讨检测先兆早产孕妇宫颈分泌物中胎儿纤维连接蛋白（fFN）在预测先兆早产的价值。

Objective: To compare the fetal fibronectin ( FFN) with Bishop score for the prediction of successful labor induction.

通过较大样本比较胎儿纤维结合素（FFN）和Bishop评分对预测足月孕妇引产的意义。

The results of treating acute lumbocrural pain in 5 cases with FFN of 500 times/ min confirmed the above conclusion.

本研究对5例急性腰腿痛病人采用500次／分弹针频率的治疗结果也证实上述结论。

Now, FFP has already become the main competition means among the airlines.

常旅客计划己成为航空公司竞争的主要手段。

Realization of the formal function functional programming language FFP on the microcomputer

正式函数程序设计语言FFP在微机上的实现

Design of Fiber Bragg Grating Demodulation System Based on FFP Tunable Filter

基于FFP可调滤波器的FBG解调系统设计

Design and Application on FFP sensor to measurement of liquid concentration

液体浓度测量FFP传感系统的设计与应用

Phylogeny within DNA polymerase X family requires a re examination as the expansion of family members, particularly considering the enter of two entomopoxvirus ( EPV) members.

随着DNA聚合酶X家族成员数量的增加，特别是两个昆虫痘病毒（entomopoxvirus，EPV）成员的加入，家族内部的系统发育关系需要重新检查。

The following conclusions are reached: ( 1) employee perceived value ( EPV) has a significant positive effect on employee satisfaction ( ES);

通过结构方程模型运算，得出以下结论：（1）员工让渡价值对员工满意度有显著性正向影响；

Effect of EPV on the Development and Fecundity of the Host by Use of Grasshopper

蝗虫痘病毒对黄胫小车蝗生长发育和产卵力的影响

EPV has a positive effect on CC, the influence coefficient is small.

员工让渡价值对员工持续承诺有正向影响，但影响系数较小。