当今大多数产品（电话、相机、立体声、汽车、飞机、医疗设备等）包含不断增多的软件并由软件系统进行设计和制造。
Most products today (telephones, cameras, stereos, automobiles, aircraft, medical devices, etc.) contain increasing amounts of software and are designed and manufactured using software systems.
对汽车牌照识别系统的软件、硬件设计进行了简要的介绍。
Introduced the design of software and hardware of the license plate recognition system of car briefly.
介绍了PIC 16 C711的性能和特点，分析了利用超声波测距的原理，给出了应用pic 16 C 711设计汽车倒车测距器的硬件电路和软件设计。
This paper introduces property and feature of PIC16C711, analyses theory of measure distance by ultrasonic wave, gives hardware circuit and software design of range finder for back a car.
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