编码信号

This invention relates to a DC linear motor digital controller including a central processor circuit, a data memory, a program memory, an A/D conversion circuit, a D/A conversion circuit, a linear shift orthogonal code pulse signal circuit, a signal isolation circuit, among which, the center processor circuit is composed of a special DSP chip controlled by the motor, a complicated programmable logic device CPLD combining with a peripheral expanding circuit, said digital controller fully utilizes the motor to control the special DSP chip to integral DSP kernel CZXLP and the rich external circuit in a single chip to make up of a digital controller for controlling high frequency response DC linear motor with small volume, low dissipation and high reliability.

高频响直流直线电机数字控制器，属于电机自动控制技术领域，目的在于获得快速、高精度往返运动的控制效果，实现高频响直流直线电机的精密位置跟踪控制功能。本发明包括中央处理器电路，数据存储器，程序存储器，A/D转换电路，D/A转换电路，直线位移正交编码脉冲信号电路，信号隔离电路；中央处理器电路由一个电机控制专用DSP芯片，复杂可编程逻辑器件CPLD，结合外围扩展电路组成。该数字控制器充分利用电机控制专用DSP芯片将高性能DSP核C2xLP和丰富的功能外设电路集成在单个芯片上这一特点，构成了一个体积小、功耗低、可靠性高和功能比较齐全的高频响直流直线电机控制用的数字控制器，使系统的整体成本大大降低。

The input from the keyboard using similar methods; processor waiting for a sign of signals, and the signal that a character on the keyboard keys are percussion, and it has been in some coding associated with the keyboard buffer to preserve the register, and then processors去读this code.

来自键盘的输入使用类似的方法；处理器等待着一个标志信号，这个信号表示键盘上的一个字符键被敲击，并且它的编码已在一些与键盘相关联的缓冲寄存器中保存着，然后处理器去读这个代码。

The CDAS realtime telemetry and attitude determination system of meteorological satellite FY2 is a system of multifunction long life time and high reliability ,based on multiprocessor concurrent processing and multilevel faulttolerant architecture.It implements integrally realtime processing of analog telemetry including demodulation of accurate sun pulse,realtime determination of satellite's attitude,coding telemetry demodulation and realtime data processing,satelliteground loop simulation test,a...

介绍了风云二号卫星指令与数据获取站实时遥测定姿系统，该系统是一个采用多级容错、多处理器并发运行体系结构，统一实现包括精太阳脉冲解调在内的模拟遥测信号实时处理、卫星姿态实时确定、编码遥测信号解调和数据实时处理、卫星星－地回路仿真测试及系统大容量数据、图形、字符实时处理、通信、记录等多功能、长寿命、高可靠实时遥测定姿系统。

It is found that one digit can be encoded and decoded on one pulse at any location since the width of the signal is much narrower than that of the pulse of the transmitter.

研究发现，由于信号的宽度相对于脉冲的宽度很窄，我们可以在脉冲的任意位置对信号进行编码和解码。

A new signal peptidase recognition site has been found in the linker-encoded amino acid sequence.The change in length of the signal peptide might someshow increase the secretion efficiency or the synthesis of M.bla

由DNA顺序推知，linker区编码的氨基酸顺序SerGlnAlaGys可能是新的信号肽酶识别位点；信号肽长度的变化可能以某种方式影响蛋白质的分泌量。

The content of time signal protocol of the four important time signal transmitters in the world is researched.

通过对发射协议的解读，了解了时间信号的详细编码形式，从而为时间信号的解码提供了相对应的算法。

Decoded video signal is placed into frame buffer to capture video signal, decode or detect motion under the control of DSP, then detected image and motion results are transmitted by S3C4516 to guarantee visit of embedded video surveillance system via internet from client.

解码后的视频信号被放入帧缓存中，在DSP的控制下进行信号采集、编码或进行运动检测，然后由S3C4510B 将图像或运动检测结果进行传输，客户端可以通过网络访问本监控系统。

The IL-2 gene is 468bp, encoding a putative 155 amino acid protein, the DNA sepuencehomology of this caprine IL-2 and the corresponding caprine(AF535145) cytokine is 100.0％, thegene homology to Qihua Yings is 99.1％, the first 20 amino terminal aa sequence compose ahydrophobic signal sequence.

经SignalP 3.0分析表明，前23个氨基酸为信号肽序列；IL-2基因开放阅读框架共有468bp，编码一条155个氨基酸的多肽，与GenBank发表的山羊白细胞介素-2基因序列(AF535145)比较核苷酸／氨基酸同源性为100.0％，与应琦华等的山羊IL-2序列的同源性为99.1％，前20个氨基酸为该蛋白的信号肽序列。

The original video is spitted into a series of frame groups,for each frame in the group,the points of contour shape are described by MPEG-7,and taking advantage of hash function to calculate the keys between those points in the 1D- DFT transform domain and the watermark signals.

在该算法中，原始视频数据被分割成等帧数的视频组，利用MPEG-7的轮廓编码计算每个视频帧的主要物体轮廓坐标点集合；接着通过傅立叶变换得到该帧轮廓点形状不变量，利用哈希的方法计算水印信号并将这些不变量的有效值作为密钥之一；再对整个视频组的轮廓点进行傅立叶变换，得到其时间轴上的有效不变域，将水印信号嵌入在这个不变域的中频部分以确保了水印的鲁棒性。

DPCM quantizes and encodes the difference between signal sampling and predictive value,thereby eliminating the correlation between sample values.

DPCM对信号采样值和信号预测值之间的差值进行量化与编码，从而消除了采样值之间的相关性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。