Pulse amplitude modulation (PAM) is one form of the ways, in which it is widely used in the system of communication and control.
脉冲幅度调制波(PAM)是脉冲调制的一种形式,在通信和控制系统中得到广泛应用。
These functions are realized by the circuits of power, clock, memory, ultrasonic pulse signal occurs and handle, temperature gathered and serial communication in system.
这些功能的实现是通过系统中电控部分的电源、时钟、存储、超声波脉冲信号发生、处理、温度采集、串行通信电路实现的。
It introduces the overall design of the system in chapter two, formed mostly with precondition of pulse, enlarge signal, Low-Pass Filter, AD Conversion, Serial Communication, waveform showing etc.
第二章介绍了系统的总体设计方案,它主要由脉搏信号预处理、信号放大、低通滤波、AD转换、串行通信、波形显示等几部分组成。
It is a key problem to detect the ultrashort pulse in optical communication system.
在光纤通信系统中,超短光脉冲的检测一直是一个重要的问题。
Objective:To study the effects of VDT pulse magnetic field on gap junctional intercellular communication.
目的:研究视频显示终端(VDT)脉冲磁场对细胞间隙连接通讯功能的影响。
Discussing the theory of the baseband pulse shaping filter in wireless communication and it's FPGA implementation.
讨论了无线通信中基带脉冲整形滤波理论,对其FPGA 实现进行了详细阐述。
The application of MPPM(Multi-Pulse Position Modulation)in optical wireless communication was studied in this paper, and a new modulation technique described as Improved MPPM(IMPPM)was presented.
讨论了MPPM(多脉冲位置调制)在无线光通信中的应用,同时提出了一种改进型多脉冲调制方式——(IMPPM)。
As a new communication technology, PPM (pulse position modulation) technology can be easily coded, and has a high efficiency of energy transmission.
PP M脉冲位置调制通信技术作为一种新兴的通信技术,具有编码简单、能量传输效率高的优点。
With the LFM pulse frame synchronization method, the performance of UWA communication system based on DPSK is apparently improved.
同时运用线性调频脉冲帧同步法,改善了基于差分相移键控的水声数字通信系统的性能。
This article mainly introduces the basic parameter requirement of the wide-band pulse transformers and the basic characters of transformer that used in communication and network technology.
介绍了宽带脉冲变压器设计基本参数要求,及应用于各种通信、网络技术的基本特性。
Pulse Position Modulation (PPM) is one of key technologies for laser communication in Atmosphere, which can reduces the output power of the laser and increases communication distance.
脉冲位置调制(PPM)是大气激光通信的关键技术之一,可以减少激光器的发射功率,增加通信距离。
Doubly orthogonal PSWF pulse is an ideal pulse according with the requirements of UWB communication system.
双正交pSW F脉冲是符合UW B通信系统要求的一种性能较理想的脉冲。
Thus the quality of transmission is dependent on the pulse repetition rate, and for digital communication systems these two variables may be interchanged most efficiently.
因而传输质量是取决于脉冲重复速率的。对于数字通信系统,这两个量之间极明显的互相影响着。
The selection principle of the template pulse for IR-UWB communication system is also investigated.
最后,文中还对IR-UWB通信系统接收机模板信号的选取原则做了初步的探讨。
The pulse position modulation (PPM) technique is widely used in the field of ultra-wideband wireless digital communication.
时间脉冲位置调制(PPM)技术在超宽带无线数字通信领域得到了广泛应用。
Ultra Wide-band (UWB) wireless communication technology transmits data through sending pulse radio signals directly.
超宽带(uwb)无线通信通过直接发送脉冲无线电信号传送数据。
As the major source of optical communication and optic-electric sampling detection, the quality of optical pulse generated by Gain-switched semiconductor laser gets more and more attention.
作为光通讯以及光电取样检测系统的主要光源,增益开关半导体激光器产生的激光脉冲质量受到了极大的关注。
The synchronization principle of IRIG-B code is analyzed. When applying IRIG-B code in substation IED, neither communication messages of fieldbus nor multiple pulse signals of GPS are needed.
分析了B码的对时机理,指出变电站的智能设备采用B码对时,就不再需要现场总线的通信报文对时,也不再需要GPS输出大量脉冲接点信号。
Ultra-fast laser pulse is the most important part of the ultra-fast communication systems.
超快激光脉冲是实现超高速通信最为重要的部分。
And it can produce high output power in pulse and continuum wave. It can be used in plasma heating, accelerator, radar, communication, electron rivalry, microwave weapon and so on.
对于等离子体加热、先进加速器、雷达、通讯及电子对抗、微波武器等领域有很大应用价值,受到了世界各国的高度重视。
It is composed of pulse height analysis (PHA), auxiliary parameter acquisition, high voltage control and communication interface.
该仪器由脉冲幅度分析、辅助参数采集、高压控制和传输接口组成。
The factors which result in pulse stretch in free-space optical communication are analyzed, including atmospheric dispersion, atmospheric turbulence influence and optical system influence.
针对自由空间光通信系统,分析了大气色散、大气湍流以及光学系统对光脉冲信号展宽的影响。
The optical pulse amplification is a key technology in optical communication. SOA is a important amplification element.
光脉冲放大是光纤通信系统的关键技术之一,而SOA是一种重要的放大元件。
Meanwhile, the application of the self-similar pulse in optical fiber communication is also presented, and the prospect and problems to be solved in the field are pointed out.
展望了自相似脉冲在光纤中的应用前景,并指出了目前研究中有待解决的问题。
For a UWB communication system, by using differential characteristic of Herz magnetic dipole antenna, the narrow pulse can be produced from the rise edge of input square-wave signal.
在UWB通信中,利用赫兹磁偶极子天线的微分特性,由输入方波的上升沿产生窄脉冲。
The format of data packet by using wireless communication was designed, and the encode and decode of electro-handwheel pulse were analysed.
设计了通过无线传输的有效数据包格式,并对电子手轮脉冲的编码与译码进行了分析。
The format of data packet by using wireless communication was designed, and the encode and decode of electro-handwheel pulse were analysed.
设计了通过无线传输的有效数据包格式,并对电子手轮脉冲的编码与译码进行了分析。
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