signal n. 1.信号,暗号;信号器。 2.动机,导火线 (for)。 3.预兆,征象。 call signal 【无线电】呼号。 an alarm signal 警报(器)。 an information signal 〔美国〕暴风警报(旗)。 an international code of signals 国际通用信号。 a signal of distress =a distress signal 船只失事信号。 adj. 1.暗号的,作信号用的。 2.显著的,非常的,优越的。 a signal victory [defeat] 大胜[败]。 vt.,vi. (〔英国〕 -ll-) 发信号[警报]给(人、船等);用信号[警报]通知(暴风、危险等);用动作[手势]示意;预示。 a signaling bomb 信号弹。
Poor signal conversion can cause interface problems 不良的信转换能引起界面问题。
D . analog - to - digital signals conversion technology . e 4模拟信号与数字信号间的转换。
C . analog - to - digital signals conversion technology . d 3数字信号与模拟信号间的转换技术。
Signal conversion processing 信号变换与处理
Proper analog / digital signal conversion is important if the computer system is to function accurately 正确的模拟/数字信号转换对计算机是否准确工作很重要。
In the course of exploiting the system hardware , we adopt the low frequency sine wave excitation technology whose frequency is alterable , and scheme out the new signal conversion & amplifying circuit , the new lcd circuit and the new system anti - interference circuit 在系统硬件电路的开发中,我们采用了频率可调的低频正弦波励磁技术,并设计出新颖的信号转换放大电路、液晶显示电路和系统抗干扰电路。
The flow - measuring system adopts the khafagi flume as the first sense organ to realize the flow / head signal conversion . the head signal is picked up and converted into voltage signal by the buoy - level mechanism and the magnet - resistant angle measuring sensor 该流量测量系统采用卡发基水槽作为一次敏感器件实现了流量水位的信号转换,并通过浮子?杠杆测量机构和磁阻式角度传感器对水位信号进行拾取并转化为电压信号输出。
Based on the current signal from the proceeding stage , the first order - modulator designed could be simplified in the precondition of performance satisfaction , and it is good in accomplishing signal conversion and could be incorporated with the forestage bandgap circuit 根据前级温度传感电路的电流信号,在满足性能要求的前提下尽量简化电路,设计出的一阶-调制电路不但很好地完成了信号转换,而且更符合一体化结构的要求。
This paper refers to several creation in compatibility with large volume of fed display and conversion of different video signal . it firstly used special central chip al300 , designed correlative circuits , successfully developed vga full - color fed console system , compatible with resolution 1280 1024 , achieved functions such as multi - video signal conversion and interleaving , met vga ’ s resolution of fed . it firstly designed and fabricated vga interface and separated video interface - - s - video , converting several video signals to 24 bits full - colored digital image signal in fed driving system , achieved separation of luminance signal and chromatism signal , enhanced the bandwidth of luminance signal 首次采用平板显示专用控制芯片al300 ,设计并制作了相关配套电路,支持的最高分辨率是1280 1024 ,实现解隔行和多种视频格式转换的功能,满足了fed显示屏对vga分辨率的要求。首次在基于fpga的vga级彩色fed控制系统中设计并制作了vga接口和分离电视信号s - video接口,可以将多种视频信号变换为fed驱动系统可用的24位彩色数字图像信号,实现亮度信号和色差信号的分离,提高了亮度信号的带宽。
This paper gives a comprehensive presentation about the fundamental of the flow - measuring method by flume , the design of khafagi flume and the buoy - level mechanism , the signal conversion by the angle measuring sensor and the deduce of the flow equation . it also introduces the hardware design , the development and emulation on software of the intelligent measuring meter in detail . the error of flow measurement is analyzed and calculated in the end either 本文对槽式流量测量的基本原理、卡发基槽和浮杆测量机构的设计、角度传感器的信号转换以及流量计算公式的推导做了全面的阐述;详细介绍了智能仪表应用系统的硬件电路设计和应用软件的开发及仿真调试;最后对测量系统的各项误差进行了分析和计算。