开关是微波信号变换的关键元件。
建立并分析了信号变换模型。
文章对系统工作原理及信号变换过程进行详细说明。
This paper gives a detailed description of the working principle and the signal converting process of the system.
所述变压器将差动射频(RF)信号变换成单端RF信号。
The transformer transforms a differential radio frequency (RF) signal to a single-ended RF signal.
信号变换装置是飞行试验中状态测量和信号变换的重要设备。
The signal transform device is an important states measuring and signal transforming facility in the flight experiments.
自动地将编码电信号变换为纸带上的穿孔的任何纸带穿孔机。
Any tape punch that automatically converts coded electrical signals into perforation in tape.
介绍了采用D类放大器来完成音频信号变换与放大的电路设计。
This paper introduces design of the circuit which uses a class-D amplifier to converse and enlarge the audio signal.
介绍了一种利用AD2S90芯片实现的感应同步器信号变换电路。
This paper introduces a type of circuit which can digitize signal of inductosyn by AD2S90.
因此，本换能器的瞬态回应极佳，声电信号变换，无论从低频到高频；
Due to the extremely low mass of the ribbon, the transducer of this microphone boasts a premium transient response in converting acoustic energy into electronic signals.
IJF编码是将数字基带信号变换成无符号间干扰和抖动的基带波形信号。
IJF coding refers to converting digital baseband signal into Intersymbol Interference and Jitter Free baseband signal.
程控放大器能够把这样的信号变换成与测量或控制电路相匹配的输入电压。
Programmed amplifier is able to convert these signals into input voltage which match with testing circuits.
基于信号变换模型，给出系统中图像处理板的设计和系统构成，并给出了实验结果。
Based on the model, the design of the image processing board in the system and the system constitution are presented. And the experimental results are given.
为了实现宽频信号的相位测量，需要运用信号变换理论对输入信号的频率进行转换。
In order to achieve broadband signal phase measuring, theory of signal transformation is demanded to achieve the frequency transformation of input signal.
在测量与仪表技术领域，V/F转换器作为一种信号变换和处理技术，应用日益广泛。
V/F converters are increasingly applied in measurement and instrumentation field as a method of signal conversion and processing.
传感器是一种能按一定规律将感受到的非电量信号变换成电信号或其他形式信号的检测器件。
Sensor is a kind of test device that can convert the non-electric signals into electrical signals or other signals by a certain law.
将一维信号变换到二维坐标平面往往更有利于描述信号的时变特征，从而实现信号的分类识别。
The time - varying properties can be extracted better when signal being transformed on 2d coordinate plane for the purpose of signal recognition and classification.
检测发动机冷却液温度，判断发动机的热状态，并将温度信号变换为电信号传送给电脑ecu。
To test the temperature of the cooling fluid in the engine, and judge the heat condition of the engine, and then change the temperature signal into electrical signal to pass to computer ECU.
介绍一种旨在提高信号传输可靠性而设计的信号转换电路，它将电压信号变换成电流信号进行传输。
This paper introduces signal switchover circuit that transforms voltage signal to current signal in order to improve signal reliability.
叙述了在自动控制、仪器仪表、信号变换以及传感器信号采集与处理等电路中实现大时间常数的一种新方法。
This paper introduces a new method for implementing the long time constant in the circuits of automation, apparatus, signal conversion, collecting and processing of sensor's signal, etc.
通过实现信号变换，不需要昂贵的辅助仪器就可把高速CCD电视摄像机和标准TV监视器、录像机联合起来使用。
By implementing the signal transformation, we can use the high speed CCD video camera in combination with standard TV monitors and videocorders and we do not need additional expensive equipments.
在硬件设计方面：为了提高灵敏度，通过数学推导设计传感器信号变换电路中的各个参数，并给出了各参数的求取公式。
As for hardware design, in signal converter, in order to improve sensitivity, the parameter of signal converter is gotten through math illation.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比，实现异步电动机的速度调节。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
其特征是不要外接偏置电压源，而由一个特殊隔离变换器将输入逻辑信号变换为能快速开通或关断IGBT模块的驱动电力。
Its feature is that the input logical signal is converted to drive power by a special isolated converter, which makes a IGBT module turn on or off quickly, without any other biased voltage sources.
DSP是在模拟信号变换成数字信号以后进行高速实时处理的专用处理器，其处理速度比最快的CPU还快10 ~50倍。
DSP in the analog signal is converted into digital signal processing real-time after high-speed dedicated processor, its processing speed than the fastest CPU faster 10 to 50 times.
上午九点半的时候，完整的红黄绿信号灯变换周期大概为140秒。
At 9:30 am, the full red/yellow/green signal cycle might be 140 seconds.
最常见的数字信号处理技术之一是离散傅立叶变换（DFT），它把一个信号分解成它的组成频率，并表示成一个矩阵。
One of the most common digital-signal-processing techniques is the discrete Fourier transform (DFT), which breaks a signal into its component frequencies and can be represented as a matrix.
然而当一个信号经过了处理之后，它仍不得不被重新变换回它原始的形式。
After a signal has been processed, however, it has to be converted back into its original form.
这是上幅图中同样的声音信号形成的声图，但是菲舍尔用了另外一种不同形式的小波进行变换，而且在声图上玩了一些花样，得到了这样花朵锦簇的效果。
This is the same sound as led to the previous image, but Fischer has chosen a different type of wavelet to perform the transform and has played around with the result to produce a floral effect.
“傅里叶变换一次性地考察整个信号，”Strang说。
“Fourier transform looks at the whole signal at once, ” Strang says.
“傅里叶变换一次性地考察整个信号，”Strang说。
Fourier transform looks at the whole signal at once, Strang says.
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