查询词典 signal

The application of wavelet transformation in getting electroencephalogram signal were discussed in this article, revulsive visual signal and filter the noise were mainly studied.

主要研究了小波变换在脑电信号提取、消噪、和诱发脑电信号的获取方面的应用，为更加准确的分析脑电信号提供大量时频信息。

The analysis of the weak signal circuit, amplifying circuit of the signal and power circuit in the thermal conductivity detector has been done, and the characteristic of the circuits with the rhenium tungsten filament is designed.

针对气相色谱热导检测器的弱信号失真和电源不稳定问题，研究与设计热导检测器的弱信号测量电路、信号放大电路以及电源电路。

Ridge loaded ring plane circuit ; Slow wave structure ; Small signal gain ; Large signal

脊加载环板结构；慢波系统；小信号特性；大信号特性

The main task of this paper is a digital watermark image signal, the process is the first image signal by adding a watermark information, the next to detect digital watermark information extraction, the final image of the embedded watermark different attacks, the test of robust watermark sexual.

本次论文任务主要是对图像信号实现数字水印，过程首先是对图像信号加入水印信息，接下来对数字水印信息进行检测抽取，最后对嵌入水印的图象进行不同的攻击，测试水印的鲁棒性。

After years of development, the product has 100 from monotony to diversification, seriation, fire hose, interior lining gun, fire hydrant, dc interface, fire hydrant box, reel, fire extinguisher box, outdoor fire hydrant, fire pump flow indicator, connectors.it, wet alarm valve, drench alarm valve, gate valve, signal, signal, sprinkler nozzle, antivirus mask, emergency lighting lamp safety, explosion-proof discussas etc categories of hundreds of specifications of products widely used in telecommunications, civil aviation, power, industry and real estate industry and other industries, experienced the test of time, market and the approval and favorable comment from user deeply.

经过多年的发展，百安的产品已从单一化到多元化、系列化发展，有衬里消防水带、室内消火栓、直流水枪、消防接口、消防卷盘、消火栓箱、灭火器箱、室外消火栓、消防水泵接合器、水流指示器、湿式报警阀、雨淋报警阀、信号蝶阀、信号闸阀、防毒面罩、洒水喷头、安全标志灯、应急照明灯、防爆地漏等十几种大类数百种规格的产品群，广泛用于电信、民航、工业、电力、房地产业等各行各业，久经市场和时间的考验，深受用户的赞许和好评。

to overcome the drawbacks of csy sensor experiment platform made in hangzhou saite company which are functional singleness and monopoly used,and to improve using ratio of the experiment instrument,the standard voltage signal of the sensor experiment platform outputs to computer by the pci1711 data acquisition card,then computer implements data display and processing,thus realizing automatic checkout with signal.the hardware structure and program design under the visual basic environment are described.it has a friendly interface and can be easily operated.it has been used in experiment teaching successfully,and it has been proved a good performance.

摘 要：为了解决原有杭州赛特公司生产的csy型传感器实验台功能单一、专用性强的缺点，提高实验仪器的使用率，将传感器实验台输出的标准电压信号通过pci1711数据采集卡送入pc机进行数据显示与数据处理，从而实现信号的自动检测。主要介绍数据采集系统的硬件组成及在vb环境下数据采集系统的程序设计。该系统人机界面友好，操作简单方便，已成功应用于实验教学中，效果良好。

In the system, a finepositioning window signal generating circuit redundant, sample and hold circuit of positioning error signal using no traditional charge/discharge method but high-speed switches and operational amplifier integrators, and cross-zero detector with threshold for higher reliability, is originated by the author in this paper.

综合面伺服和扇区伺服的各自优点，设计完成了4000 TPI光刻伺服解调系统：在设计中，首创了带冗余的精定位窗口信号生成电路，采用高速模拟开关和运放积分电路代替传统的电容充放电法，以完成精定位位置误差信号的平均与采样保持，使用带阈值的过零检测电路提高过道脉冲的可靠性。

This method exploits eigenstructure of thd received signal's sample correlation matrix in which the observation space can be partitioned into a signal subspace and a noise subspace.

该方法利用了接收信号协方差矩阵的特征结构，把观测子空间分解成为信号子空间和噪声子空间。

According to the requirement of vibrating signal detection, this paper designs a multi-channel data acquisition system, which has a programmable signal amplifier, variable sample rate and sample time.

论文针对振动信号检测中数据采集和频谱分析的需要，设计了一种基于USB2.0的数据采集和谱分析系统。

The arrangement further comprises an asynchronous sampling unit (4) for sampling a received analog signal so as to obtain a first signal having asynchronous samples.

本设备还包括用于对接收的模拟信号进行采样以获得带有异步采样的第一个信号的异步采样单元(4)。

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。