查询词典 modulated

The modulator (25) may also include an offset circuit (24) so that the modulated waveform includes a carrier frequency indicator.

所述调制器(25)还可以包括偏置电路(24)，使得调制波形包括载频指示符。

PYX1-S type signal power supply panel is a special equipment for eight in formation automatic block with audio frequency shift modulated track circuits.It can supply power for signal lighting,track circuit,audio frequency shift relay circuit,approaching circuit,audio frequency shift control and detecting circuit.

PYX1-S型八信息移频电源屏是八信息自动闭塞的配套设备，可为信号点灯、轨道电路、移频继电器电路、接近电路移频控制检测电路提供电源。

In this paper, a current control mathematical model is established with fixed switching frequency for three-phase pulse width modulated converter.

建立了三相电压型PWM整流器电流控制数学模型，输入电流在静止坐标系下实现了固定开关频率的解耦控制。

It is very noticeable to the Linear Frequency-Modulated signal in the Time-varied signals.

摘要在时变信号中，线性调频信号特别引人注目。

A novel Pseudo-Random Frequency-Modulated pulse sequence used to fire ultrasonic transducer is put forward in this thesis.

本文提出了一种伪随机调频脉冲序列解决超声串扰的方法。

The Nolinear Frequency-Modulated signal has been also applied widely to these fields.

非线性调频信号在雷达和通讯中也广泛存在。

It is a further aim of the present invention to provide such a mixer circuit with which only a few additional components need to be combined in order to assemble a simple frequency-modulated radar.

这是一个进一步的目的，本发明提供这种混合电路只有少数其他组件需要结合起来，以一个简单的组装调频雷达。

In order to overcome the deficiency of radar linear frequency-modulated signal detection and estimation, a method based on Gabor-Radon transformation was proposed.

针对通常利用的匹配滤波法对低信噪比雷达LFM（linear frequency-modulated）进行信号检测和估计的不足，提出一种联合Gabor-Radon变换方法。

In this optical module, the single-mode oscillating light source outputs a single-mode, frequency-modulated signal.

在这种光学模块中，单模振荡光源输出单模频率调制信号。

Linear frequency-modulated pulse is one of the most important large time-bandwidth product signals, but it demands large amount of calculations for digital processing.

针对TMS320C6201的特点，提出了在VLIW体系结构下，提高FFT并行运算效率的方法，从而使系统完成512点数字脉冲压缩的时间仅为124us，基本达到TMS320C6201的性能极限。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。