介绍了利用数字存储示波器和脉冲码型发送器校准ARINC429总线仿真器的发送器和接收器的电气特性和通信规约的方法和步骤。
The methods and process of the measurement & calibration of ARINC429 bus emulator using digital oscillograph and pulse code generator are introduced.
提出一种由线性调频与二相码组合而成的新型混合脉冲信号,给出了其数学表达式、处理方法及其模糊函数的表达式。
According to a new type of mixed pulse compression signal, this paper discusses the mathematical expression, the way of processing and the expression of the ambiguity function.
详细说明了用BC D码拨盘开关控制步进电机步数和速度的方法及可编程序控制器编程软件实现脉冲分配器功能的方法。
It explicates the ways of stepping motor's stepping count and speed in the control of the BCD-code dial switch, and the function of pulse distribution with the programmable soft of PLC.
随机二相码调相PD(脉冲多普勒)引信,是一种较为新颖的噪声调制引信体制。
The random binary phase code phasing PD fuze is a novel modulated system of noise.
分析了GRI脉冲序列与参考脉冲,以及调制码组与罗兰C脉冲组的时间关系。
The relationships between GRI pulse sequences and reference pulses, as well as between modulation code groups and Loran-C pulse groups are analyzed.
超宽带冲激无线电技术是近年来新兴的通信技术,其主要核心技术是采用了冲激脉冲技术和跳时码调制。
The UWB impulse radio technology is a new kind of communication method these years, in which the swash impulse and time-hopping code modulation techniques are mainly applied.
在相位编码脉冲压缩技术中,各种码都存在着多普勒失配问题。
There lies Doppler mismatch in every code of phase-coded pulse compression techniques.
推导并分析了随机多元码PPM脉冲序列的平均模糊函数。
The average ambiguity function of the random multielement code PPM pulse sequence is developed and analyzed.
本文比较几个抽头加权值个数较少的13位巴克码脉冲压缩旁办抑制滤波器的性能。
In this paper, a. comparison is made of the performances of several 13 element Barker coded pulse compression sidelobe suppression filters, which have a few distinct tap weights.
分析了GRI脉冲序列与参考脉冲,以及调制码组与罗兰C脉冲组的时间关系。
The time relationships between GRI pulse sequences and reference pulses, as well as between modulation codes and Loran-C pulse groups are analyzed.
研究多层堆码包装系统在半正弦脉冲激励下的冲击特性。
The shock characteristics of linear stacking packaging system were investigated under the action of half-sine acceleration pulse.
使用完全正交的伪随机码代替单脉冲信号对超声信号进行调制,以提高发送信号的抗干扰能力和系统的测距精度;
The pseudorandom code instead of single impulse is used for modulation to improve the capability of anti-jamming and precision of measuring range.
采用滑动脉冲的方式进行MT I滤波器设计,并利用遗传算法搜索最优参差码,有利于检测陷在滤波器第一零点里的弱目标。
The filter is designed by slipping pulses and the optimal stagger code is selected by GA, so the weak target in first notch can be detected.
但是,如果每个样值中用4位(码)表示,则传输质量会下降,而脉冲的重复速率也将减小到32khz。
However, if only 4-digits per sample value had been used, the quality of transmission would drop, and the repetition rate of the pulses would be reduced to 32khz.
通过对改进素数码的不同脉冲位置赋予不同的频率,提出了一种新的跳频扩时码。
A novel frequency time spreading code by designating the different frequencies to the different mark positions of the modified prime code is proposed.
总结了测距功能的软硬件实现技术,包括传统的三角测量和视差测距技术、电脉冲测距技术、伪码扩频脉冲串测距技术。
Software and hardware implementation of ranging was sum up including triangulation & parallax measuring, pulse current ranging and pseudo random noise ranging.
为减少全光时钟提取中的码型效应,设计了混码器对注入数据脉冲进行预处理。
To reduce the pattern effect in all-optical clock recovery, a novel device termed as code mixer was designed to preprocess the injected data signals.
设计并实现了基于ADSP21060的通用高速实时数字信号处理系统,并以随机脉位调制与随机二相码调相复合脉冲串信号处理为例,给出了软硬件设计方法。
We design and implement a generic high-speed real-time digital signal processing system using ADSP21060 processors, and introduce software and hardware design methods for the CPS signals.
这些入码器为每个转动递送电的脉冲一个被定义的数目,表现被移动的距离或角度的测量。
These encoders deliver a defined number of electrical pulses for each rotation, which represent the measurement of the distance or angle moved.
例如,在UMTS标准中,用于高速数据的增强专用信道(E - DCH),最高脉冲速率对应于4或2个码片。
For example, in the UMTS standard, an enhanced dedicated channel (E-DCH) for high speed data, the highest burst rate corresponds to 4 or 2 chips.
主要步骤和要求:(1)由抽样判决后的AMI码型数字序列恢复出原始的PCM脉冲编码信号(0、1信号)。
Main steps and requirements: (1) post-judgment by the AMI code sample digital sequence to restore the original PCM pulse code signal (signal 0, 1).
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。
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.
计数器译码电路:计数译码集成在一块芯片上,计单位时间内脉冲个数,把十进制计数器计数结果译成BCD码;
The decipher circuit of the counter : Count deciphers and integrate on the chip together, count the pulse number in unit time, count the result of the decimal counter to translate into BCD yard;
计数器译码电路:计数译码集成在一块芯片上,计单位时间内脉冲个数,把十进制计数器计数结果译成BCD码;
The decipher circuit of the counter : Count deciphers and integrate on the chip together, count the pulse number in unit time, count the result of the decimal counter to translate into BCD yard;
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