信号

When radar signals propagate in the atmosphere, the absorption and scattering of air molecule, aerosol particles, dust and cloud, fog and rain result in energy attenuation of ladar signals.

激光雷达信号在大气中传输时，大气中的气体分子和大气气溶胶粒子、尘埃、雾、雨等对激光信号的吸收和散射导致光信号能量的衰减是影响激光雷达信号传输的重要因素。

The coded signal is received by satellite dish aerials.

编码信号由碟形卫星天线接收。

The analogue signals from the video tape are converted into digital code.

采自该录像带的模拟信号被转换成数字代码。

Blind source separation ( BSS) is a traditional yet challenging topic in signal processing, in which the separation is performed only depends on the observed signals, without knowing source signals and the mixing channels.

盲源分离是信号处理中一个传统而又极具挑战性的课题，一般指在源信号不可测及混合系统特性未知的情况下，仅由观测信号分离出各源信号的过程。

The transmitters will send a signal automatically to a local base station.

发射台会自动将信号发射到地方基站。

The abnormal bleeding is your body's own red flag of danger.

非正常的出血是你的身体发出的危险信号。

Cecil now began to panic and fired off two distress rockets.

塞西尔此时开始慌张起来，连忙发射了两枚遇险信号火箭。

Error signals are decomposed and reconstructed by db3 wavelet. reconstructed normal variation is less than angular measuring system precision, reconstructed signals are used to compensate the system errors instead of original error signals.

采用db3小波对测角系统误差信号进行分解与重构，重构标准差小于测角系统精度，重构信号满足精度要求，可以用重构信号代替原误差信号进行计算机误差补偿。

Audio signals can be transmitted along cables without distortion.

声音信号可以通过电缆传送而不失真。

They fired three distress signals.

他们发射了3次求救信号。

They have been accused of deliberately causing interference to transmissions.

他们被指故意干扰信号传输。

Realtime signal collection system is responsible to punctually sample from important devices, then convert the signals collected and store them through the measure of covering or superaddition in the realtime signal database.

实时信号采集系统负责对重要仪器仪表的信号数据进行定时取样，然后对采集到的信号数据进行必要的转换并按覆盖或追加方式将其存于实时信号数据库中。

Cases were proved cystoma teratoma, which showed low and high signal ( fat) in T1WI, high and low signal ( bone and teeth) in T2WI;

5例为囊性畸胎瘤，T1WI呈低信号及高信号（脂肪），T2WI呈高信号及低信号（骨骼与牙齿）；

The reliable operation ranges of capacitive accelerometer with voltage feedback for quasi-static signal and step signal are investigated. The effect model of driving signal with different bias voltage polarities on the critical acceleration that causes pull-in failure is set up.

对准静态惯性信号和阶跃惯性信号，深入研究了力反馈加速度计的可靠工作范围，建立了不同偏压配置的驱动信号对引起吸合失效的临界加速度信号的影响模型。

In the selective attention paradigm subjects were asked to respond as soon as possible when hearing the odd numbers ( target signal) and to withhold when hearing the even numbers ( non-target signal).

在选择注意试验中要求受试者对听到的奇数语音信号（靶信号）用右手作按键反应，对偶数语音信号（非靶信号）不按键。

The output signal model of sensors is proposed, which expresses the signal of mass flow and noises. Equations of calculating the frequency, amplitude and phase difference of signals are presented. Two types of filtering modes are studied.

提出了表示质量流量信号和噪声的传感器输出信号的模型，给出了求解信号频率、幅值和相位差的计算公式，研究了两种滤波方式，设计了两种信号处理的方案。

Callahan posits that chemical elements radiate electromagnetic signals.

卡拉汉假定化学元素放射电磁信号。

A thin cable carries the signal to a computer.

一根细电缆将信号传送给一台计算机。

The red signal means you can shoot.

红色信号表示可以射击。

The signal processing system is divided into the preamplifier circuit, signal integration circuit, the threshold judgment and timing circuit system.

探测器将光信号转化为电信号，信号处理系统分为前置放大电路，信号融合电路，以及阈值判断与计时电路。

The Binary phase shift keying ( BPSK) and Mary amplitude shift keying ( MASK) are widely used in radar systems, their elliptic covariance do not equal zero, are noncircular signals.

二进制相移键控（BPSK）和幅度调制（MASK）等信号是雷达系统中常用的信号，这种调制信号的椭圆协方差矩阵不为零，被称为非圆信号。

The device is not designed to transmit to satellites.

该设备不是为向卫星发送信号而设计的。

To separate a weak deterministic signal from a chaotic background of which the dynamic mechanism is unknown is a different problem from the noise reduction for a chaotic signal since the mixed signal is also a chaotic signal with higher dimension than the original chaotic system.

混沌信号与确定性小信号叠加生成的混合信号是一更高维的混沌信号，因而不能用一般的混沌信号噪声抑制的方法进行分离。

Its main function is converting test signals, data signals and engraved signals into digital signals according to the request of the servo control, and switch digital drive signals to analog drive signals for drive board.

主要功能是实现检测信号、数据信号和刻录信号等模拟信号转换成伺服控制器需要的数字信号，并将数字驱动信号转换成驱动板所需要的模拟驱动信号等功能。

About 60,000 subscribers have special adapters to receive and decode the signals.

大约6万用户拥有特殊的适配器来接收和转换信号。

The flow of current actuates the signal.

电流发出了信号。

An 87 channel signal simulator with various type static signals was designed. The signal types include large amplitude signals such as simulated noise and vibration signals, small amplitude signals such as simulated temperature and thermal couple signals, as well as resistance signal simulating strain parameter.

设计了一种87通道的多类型静态信号模拟器，信号类型包括模拟噪声、振动参量的大信号和模拟温度参量的热点偶小信号以及模拟应变参量的电阻性信号。

LFM Fuze launch the same range of frequency modulation continuous wave signal, and use the substract frequency of the emission signal and the return siganl to determine the distance between the shells with the target.

调频无线电引信发射调频等幅连续波信号，其发射信号的频率按调制信号规律变化，利用回波信号与发射信号的频率差确定弹与目标间的距离。

She ignored the warning signals.

她忽视了一些预警信号。

The signal mechanisms include: money burning, price setting, project scaling and commercial bank loan.

此类有效信号机制包括: 烧钱信号 、 定高价信号 、 项目规划信号以及商业银行贷款信号.