输入信号

It contains: a continuous guide frequency generating module to generate DPCCH non-guide frequency emission estimation value according to input DPCCH de-spread signal and guide frequency emission signal, and combine the estimation value with the DPCCH guide frequency emission signal to generate continuous guide frequency; an average fading factor generating module to generate average fading factor of each DPCCH code according to the input continuous guide frequency and DPCCH de-spread signal; a demodulation signal generating module to generate DPCCH and DPDCH demodulation signals according to the input average fading factors and DPDCH and DPCCH de-expanding signals at the corresponding time.

这种码分多址通信系统的信号解调装置包含：连续导频产生模块，用于根据输入的DPCCH解扩信号以及导频发射信号，产生DPCCH非导频段发射估计值，并将所述DPCCH非导频段发射估计值与所述DPCCH导频发射信号合并，产生连续导频；平均衰落因子产生模块，用于通过输入的所述连续导频以及DPCCH解扩信号，产生DPCCH各个码元的平均衰落因子；解调信号产生模块，用于通过输入的所述DPCCH各个码元的平均衰落因子，以及对应时刻的DPDCH解扩信号和DPCCH解扩信号，产生DPCCH和DPDCH解调信号。

aining at high impedance weak signal measurement,the relations among measuring precision,input impedance and input bias current,the guard technology is applied to design a measuring circuit with guard circuit,adding a guard potential to low-impedance nodes of circuit,the effect of leakage current is reduced.using spice simulation and validates that guard circuit can increase the input impedance of the system and lower the input bias current,the results show that the guard circuit provids a valuable solution for high accuracy measurement of the high impedance weak signal.

摘 要：针对高阻抗微弱信号测量问题，对测量精度与系统输入阻抗、输入偏置电流的关系进行分析，应用保护技术设计了带保护电路的测量电路，将电路中的低阻抗节点加上保护电势，减小漏电流的影响。通过pspice仿真分析，验证保护电路能提高测量系统的输入阻抗和降低输入偏置电流，结果表明保护电路技术能实现对高阻抗微弱信号的高精度测量。

The circuit comprises a comparison circuit, a negation gate and a first coincidence gate, wherein the comparison circuit is used to output read screen signals of a storage unit corresponding with bus signals of a second port address, the negation gate is used to inverse the read screen signals of the storage unit which are corresponding with the bus signals of the second port address, one input end of the first coincidence gate receives the read screen signals of the storage unit which are corresponding with the bus signals of the second port address after being inversed, the other input end of the first coincidence gate receives the read enable signals of a second port, and the output end of the first coincidence gate is connected with the read enable end of the second port.

所述电路包括：比较电路，用于输出第二端口地址总线信号对应的存储单元读屏蔽信号；非门，用于对第二端口地址总线信号对应的存储单元读屏蔽信号进行非运算；第一与门，第一与门的一路输入端接收非运算后的第二端口地址总线信号对应的存储单元读屏蔽信号，第一与门的另一路输入端接收第二端口的读使能信号，第一与门的输出端连接第二端口的读使能端。

If the input password is correct, then from P3.0 output unblanking signal, if the input password is not correct, then from P3.1 output password rub-out signal, if continual three times inputs the password is wrong, then from P3.2 output alarm, once the output alarm, after must wait for relieves reports to the police only then unlocks.

如果输入密码正确，则从P3.0输出开锁信号，如果输入密码不正确，则从P3.1输出密码错误信号，如果连续三次输入的密码均是错的，则从P3.2输出报警信号，一旦输出报警信号，就必须等待解除报警后方可重新开锁

First use of sensors to convert the weight of voltage signal, and then voltage signal amplification input A / D converter, followed by A / D converter tool analog signals into digital signals, the digital signal will be sent to the microcontroller, through the process of Signal processing, and weighing function, and then the weight and keyboard input price multiply calculated lump sum, and the weight and price with LCD display.

首先用传感器把重量转换成电压信号，再将电压信号放大输入A/D转换，利用A/D转换工具将模拟信号转化为数字信号，将得到的数字信号传送至单片机，通过程序对信号进行处理，实现称重功能，然后将重量与键盘输入单价相乘计算出总价，并将重量和价格用LCD显示出来。

Proposed a folded line stepped impedance resonator with tapped-line, which can get large capacity and reduce the length of the resonator cavity to realize miniaturisation, this resonator was realized by low-temperature cofired ceramic multi-ply technology.

提出一种以抽头线方式输入信号的折叠线阶梯阻抗谐振器，应用低温共烧陶瓷叠层技术实现，可获得大的电容值，缩短谐振腔的长度，实现小型化。

All digital storage oscilloscopes work by sampling the input signal.

所有的数字存储示波器都是采样输入信号。

Capacitance science and technology used the induction to bring to bear on in the induction apparently electrostatic field detects input signal.

感应电容科技采用了施加在感应概况上的静电场来检测输入信号。

To simplify the audio system design in notebook computer applications , the APA2020A combines a stereo bridge-tied loads mode for speaker drive and a stereo single-end mode for headphone drive into a single chip , where both modes are easily switched by the SE/BTL input control pin signal .

为了简化应用在笔记本电脑音频系统的设计，APA2020A结合桥接立体声负载的模式和扬声器驱动器到一个芯片，其中两种模式很容易立体声单端的耳机驱动模式开关由东南/控制引脚的BTL输入信号。

It can choose one of 1~4 line input signals into the main output and the AUX output.

选通键：按此键可选择1， 2， 3， 4相应线路输入信号进入主输出和辅助输出。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。