英语翻译A digital signal can become degraded by quite a bit before any information is lost.求翻译 还有degraded在这里是形容词还是动词?by在这里该如何翻译 用的是什么语法?

A digibox changes a digital signal to an analogue signal.Why is one needed to receive digital TV at present A digibox changes a digital signal to an analogue signal.Why is one neede to receive digital TV at present? A microphone converts the acoustic signal into a corresponding analog electrical signal,and an analog-to-digital converter transforms that analog signal into a sampled digital form.The following figure shows a brief moment in a sound recording.求翻 英语翻译A Codec is a device or program capable of performing encoding and decoding on a digital data stream or signal.The word codec may be a combination of any of the following:'Compressor-Decompressor','Coder-Decoder',or 'Compression/Decompress 英语翻译The hub of the impeller contains a ring magnet which transfers the rotary movements to a stationary Hall sensor.The sensor converts the rotary movements,proportionally to the flow,into a digital frequency signal.The downstream electronic 英语翻译A digital signal can become degraded by quite a bit before any information is lost.求翻译 还有degraded在这里是形容词还是动词?by在这里该如何翻译 用的是什么语法? 英语翻译英语翻译 Forbidding signal of a traffic ligth ,wait for allowing signal 英语翻译The process of receiving signals in the receiving end of a digital communication system is completely the opposite to the process in sending end,which means that the receiving signal must have to be converted into analog signals by a Digi 英语翻译the action of the compressor is to increase the rms signal value for a given peak magnitudethe digital data is fed serially into the decoder.distortions caused by the transfer along the interconnect medium used重点求第一句的翻译 英语翻译Since the late 1950's,with the help of microcomputers and digital signal processors(DSPs) power electronics and its applications have been made a great leaps,as well as to electrical engineering.1楼，2楼的是用软件里翻译的吧 英语翻译Digital Magazines Digital Magazines are providing new opportunities to publishers that utilize digital publishing as a tool to extend their print magazine brand online.Digital editions provide an exciting presentation format for online vi signal signal signal digital digital 英语翻译那句话着这样的A signal model provides a mathematical representation of a signal in terms of salient parameters. 英语翻译Predefined signals recognition:Each predefined signal is emitted by loudspeaker A.Robotshave to signal any detected sound immediately.After a short break,the signal is emittedby loudspeaker B,and after another short break it i