调幅

First,mathematic description of FOG's modulation signal was analyzed,and then three methods for producing modulation signal with adjustable amplitude were discussed,which are direct wave table method,multiplicative amplitude adjusting method and two-level wave table method.

首先对光纤陀螺调制信号的数学描述进行了分析，在此基础上提出了三种幅度可调调制信号的产生方法，即直接波表法、乘法调幅法、两级波表法，并分析了三种方法各自的优缺点。

The envelope detection has twoquestions: One, the demodulation main process is carries on thehalf-wave or the full-wave rectification to the amplititude-modulatedsignal, is unable from the detector output distinction modulationsignal phase.

包络检波有两个问题：一是解调的主要过程是对调幅信号进行半波或全波整流，无法从检波器的输出鉴别调制信号的相位。

Blending tremolo soaked guitars with analog synths, vintage organs, circuit bent electronics, accordion, saxophone, strings, theremin, Tenori-on, and glockenspiel, their songs play out like an AM radio jingle; mixing the best of the 60's, 70's, 80's, and today.

配煤颤音浸泡吉他与模拟合成器，葡萄酒机关，电路弯曲电子，手风琴，萨克斯，弦乐，特雷门，Tenori上，和钟琴，他们的歌曲，这样的游戏调幅收音机顺口溜；混合的最好的60年代，70年代，80年代，今天。

The fore treatment of SBRCFS, according to the principles of Computer Graphics, is graphical input. The kernel calculation adopts the ideals of Finite Element Method ab.

前处理运用计算机图形学原理，采用图形输入；核心计算采用有限元法，同时考虑塑性调幅和内力不利组合，使计算更加合理。

2The speed of creating random series used irrational fraction arithmetic was faster than that of multiplicative congruence arithmetic. The correlative value of random series almost was zero.(3) Regarding not harm the images quality as the premise, the speed of FM screening was heightened.

主要结论：利用所建立的条件半色调函数进行图像加网，操作简单、控制精确，使发生阶调不连续处的密度差平均减少到0.01275，明显改善了调幅加网印品的质量；(2)无理数取尾法产生随机数的速度快，数列间几乎没有相关性；(3)在不损失图像质量的前提下，提高了调频加网的输出速度。

This algorithm has been successfully used for the study of functional organization of AM sound sensitive auditory neurons in the midbrain.

本算法已成功应用于调幅声敏感听觉细胞功能组织的研究。

In communications, an amplitude modulated ''.

通信技术中的一种调幅''。

The character of radar system is restricted by parasitical AM.

对于压控振荡器在调频的同时也存在着寄生调幅，是不可避免的。

This device designed by authors uses lifting mechanisms separately and can be replaced by outer screw jack for satisfying the condition of excavating and lining in a tunnel at the same time.

这种台车在满足掘进和衬砌平行作业的前提下，将台车上调幅机构中的升降机构独立，由外部千斤顶代替。

Keywords: Fe-Cu base alloy; spinodal decomposition; gradient materials; self-formed mechanism

中文关键词： Fe-Cu基合金；调幅分解；梯度材料；自形成机理

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。