查询词典 signal

In communication of deep space, the receiving of low signal-to-noise and multi-address communication can be realized with pseudo-random code signal.

深空通信中，利用伪随机编码信号可实现低信噪比接收和多址通信。

In the method of the invention, a baseband signal is pre-processed to realize nonlinearity compensation. The pre-processing method comprises the following steps: the filter coefficient and the multinomial coefficient of the high power amplifier are extracted; corresponding gain is calculated for the amplitude value of each point input into the sequence of the baseband signal, and the phase compensation value is calculated according to the amplitude gain; the phase compensation value and the gain which are corresponding to each point are synthesized into re-gain, a pre-processing value pi is obtained, and pre-processing output sequence is formed; the pre-processing output sequence is output into the high power amplifier directly or through a inverse filter.

本发明方法是将基带信号进行预处理来实现抵偿非线性，预处理方法是：提取出高功率放大器的滤波器系数和多项式系数；对输入基带信号序列中的每一点的幅值计算对应的增益，根据幅度增益计算出相位补偿值；每一个点对应的相位补偿值与增益合成复增益，得到预处理值p i ，构成了预处理输出序列；将预处理输出序列直接或经过反向滤波器后输出到高功率放大器中。

The content mostly refers to signal pre-processing and post-processing, signal synchronization, digital multiplexer, and system integration.

主要包括的相关内容有：信号的预处理与后续处理，信号同步，数字复接，以及系统合成等内容。

Starting gun sound sensor In order to improve the efficiency track gunshots, the starting gun produced only a starting signal, the signal MCU received after launch music chip simulated gunfire and transmit them to the runway block on loudspeakers.

发令枪声传感为了提高径赛枪声的有效率，发令枪只产生一个起跑信号，MCU收到该信号后，启动音乐芯片模拟出枪声，并传输给跑道起跑器上的扬声器。

Pulse width generator 404 delays the output signal VIN of NAND gate 403 to generate an output signal VOUT.

脉冲宽度发生器404延迟NAND门403的输出信号VIN从而生成输出信号VOUT。

Application of proportional controller to active vibration control incorporated with passive vibration isolator to suppress its resonant oscillation of natural frequency is proposed in this paper. Vibration acceleration acquired from accelerator is inputted to controller as feedback signal. The processed signal from controller is transmitted to voice coil actuator to control vibration.

本文主要是运用比例控制器进行被动式隔振系统自然频率共振抑制之主动控制研究，控制回馈讯号采用加速规量得之振动加速度值，经由控制器计算输出控制讯号驱动音圈致动器进行主动控制。

In the experimental work, application of proportional controller to active vibration control incorporated with passive vibration isolator to suppress its resonant oscillation of natural frequency is studied in this project. Vibration acceleration acquired from accelerator is inputted to controller as feedback signal. The processed signal from controller is transmitted to voice coil actuator to control vibration. Firstly, based on the theoretical equations which govern the system vibration, the physical mechanism of active control in total system is studied.

在实验部分，则运用比例控制器进行被动式隔振系统自然频率共振抑制之主动控制实验，控制回馈讯号采用加速规量得之振动加速度值，经由控制器计算输出控制讯号驱动音圈致动器进行主动控制。

The morphology, size and signal of nerve root, nerve ganglion, nerve trunk and femoral nerve, were observed. The brachyaxis and nerve-muscle signal ratio of right L4 nerve root, nerve gatiglion and nerve trunk were measured.

正常组观测腰2~5神经根、神经节及神经干、股神经的形态、大小及信号；GBS及CIDP组观察神经及其周围的改变，测量右侧腰4神经根、神经节、神经干及股神经的短轴径线及神经肌肉信号比。

Based on studies about current development of Methods of separating meiofauna, a new method is advanced in this paper. A suit of device was designed to Separate meiofauna from benthic sediments sample automatically, accurately and efficiently, which based on the technology of Laser-induced Fluorescence Detection, and used other technologies, such as noctilucence, electronics, biophysics, computer, mechanism, and so on. The scheme of macrocosm, the design of light route, the hardware and software design of the photoelectricity detection system and machine control system, the method of signal processing are introduced, especially the hardware and software design and the method of signal processing.

论文分析了目前国内外所使用的小型底栖生物分离方法现状，并以此为基础，自主开发了一套基于激光诱导荧光技术，并且集荧光化学技术、电子物理技术、光电测量技术、计算机技术及机械技术为一体的小型底栖生物标本自动分离系统，实现了从沉积物样品中自动分离小型底栖生物标本，从而大幅度提高室内小型底栖生物分样的工作效率和精度的目的，并以此完成了大洋协会"十五"攻关项目："小型底栖生物标本自动分离系统研制"。

This paper uses the reformative Kalman filter to deal with the original pressure data sampling from oil conveying pipeline in real time to eliminate the noise interference and to improve the noise-signal ratio. It also uses the signal after being filtered to give an alarm and exact position of the leakage of oil conveying pipeline.

本文应用改进的Kalman滤波器对采得的输油管道原始压力数据进行实时性滤波，以消除噪声干扰、提高信噪比；利用滤波后的信号进行输油管道泄漏的报警和定位。

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。