数字信号处理

The denseness calculation of DSP can realize the real-time and high speed processing of digital signal.

DSP的密集运算能力能实现数字信号的实时、高速处理，而计算机强大的处理能力，方便的人机对话，使它具有灵活的软件功能、友好的操作性能。

It is the certain developing trend to digitize and to analyze the images of transmit electron microscope in real time.

把透射电镜所获得的各种图像实时地转变成数字信号并采用联机的图像系统对电镜图像进行处理和分析成为了电子显微学中的重要研究手段，是现代电子显微镜图像处理的必然发展趋势。

Proposed a representation scheme for 3D face -- Surface UnfoldingFor its irregular sampling in 3D space, 3D face surface cannot be processed by many orthogonal and subspace analysis toolkits directly, i.e. DFT, DCT, PCA, LCA. Surface Unfolding projects the 3D face to a 2D plane while retaining its intrinsic geometry properties of angle and area which issues a surface representation — Unfolded Image.

提出了一个三维人脸的平面表征方法——曲面开折模型不同于传统的数字生物特征，3D人脸数据是非规则采样的，传统的信号处理工具难以对3D数据进行直接处理。

Data acquisition is widely used in the field of radar signal processing, digital image processing and virtual instrument.

在雷达信号处理、数字图像处理和虚拟仪器等领域中，数据采集都得到了广泛的应用。

An apparatus and method for a digital image device having an image-capturing device for photoelectrically changing an optical image focused through a lens unit, and for converting a signal output from the image-capturing device into a digital signal and processing input color data which is output in a predetermined period are disclosed.

用于具有图像捕获装置的电子图像设备的装置及方法，用于光电变换经透镜聚焦的光学图像，并将图像捕获装置输出的信号变成数字信号及处理在预定时段输出的输入色彩数据。

In order to have the thermal image sight with the same functions of low level sight sight as the tank does,a realtime image processing system that superposes sight graduation image and thermal image, based on DSP high speed image processing function is offered to realize the goal.

为了实现热成像瞄准镜同样具有坦克微光瞄准镜所具有的功能，本文利用数字信号处理器DSP高速图像处理功能实时地将热成像图像和瞄准镜分划图像进行叠加处理，从而解决了上述问题。

This system adopts the AVR series one-chip computer to do for top management CPU, the wave form adopts digital frequency directly and formates technology, the whole system is to deal with the digital signal, make the system have stronger anti-interference ability and stability.

本系统采用AVR系列单片机做为主控CPU，波形发生采用直接数字频率合成技术，整个系统都是对数字信号进行处理，使系统有较强的抗干扰能力和稳定性。

As the analysis and measurement of yarn evenness occupies special importance to the quality controlling of many textile products, three main problems on the topic, which are: the mathematical modelling of the ideal slivers and yarns, the digital algorithms for measuring variance-length curves, spectrograms and imperfections, and the system design of the yarn evenness tester of a digital type, are studied in the dissertation mainly from the viewpoint of the subject of signal processing with the applications of the theory of stochastic processes and the technique of wavelet analyses.

纱线条干均匀度的分析和测量对纺织品质量的控制和提高具有重要的意义。本论文从信号处理的角度出发，应用随机过程理论和小波分析方法，着重研究了条干均匀度分析和测量中的二个主要问题，即理想纱条的数学建模问题和变异曲线、波谱图及疵点的数字测量问题，并进行了数字型条干均匀度测试仪的设计和研制工作。

This digital thermometer design uses the American DALLAS Semiconductor Company after DS1820 promotes one kind of advanced version intelligence temperature sensor DS18B20 takes the detecting element, the temperature measurement scope may amount to 0.0625 degree Celsius for the - 55--125 degree Celsius biggest resolution, may the direct readout measure the temperature to plant, moreover used the three-wire system and the monolithic integrated circuit is connected, reduced the exterior hardware circuit, has at the same time the characteristic which the low cost and easy to use it to have the microminiaturization, the low power loss, the high performance, the anti-jamming ability strong, easy to match merits and so on microprocessor, the especially qualify in constituted the multi-spot temperature observation system, might directly the temperature inversion serial digital signal for microcomputer processing, moreover each piece of DS1820 had onlyThe product number and may store in its ROM, in order to constitution large-scale temperature observation system time hangs on the single track meets willfully many DS1820 chips.

本数字温度计设计采用美国DALLAS半导体公司继DS1820之后推出的一种改进型智能温度传感器DS18B20作为检测元件，测温范围为-55——125摄氏度最大分辨率可达0.0625摄氏度，可以直接读出被测温度植，而且采用三线制与单片机相连，减少了外部的硬件电路，具有低成本和易使用的特点同时它具有微型化、低功耗、高性能、抗干拢能力强、易配微处理器等优点，特别适合于构成多点温度测控系统，可直接将温度转化成串行数字信号供微机处理，而且每片DS1820都有唯一的产品号并可存入其ROM中，以便在构成大型温度测控系统时在单线上挂接任意多个DS1820芯片。

This design use temperature sense organ to collect environment temperature, change the simulate signal into digital signal.

设计中利用高精度可达0.1的温度传感器AD590采样环境温度，将温度传感器输出的模拟信号经A/D转换器转换为数字信号，再经单片机加工处理，转换为八段显示码，由接口电路输出，驱动数码显示管。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐