时控的

In this thesis, we use "Two-Step CVD Technique " to solve this problem, that is to carbonize Si substrate in carbide gas atmosphere first in order to form a Sio-rtd 0

将原先的热丝CVD法加热改为独创的石墨-碘钨灯加热，把衬底温度从900℃提高到1200℃；将手动控温改为PID自动控稳，大大提高了控制精度，实验中温度偏差小于1℃(衬底温度1200℃时)。

The concept of POPI Loss-Free Two-Port Network is given. The circuits to realize loss-free controllable time-variable transformer by open-loop and closedloop control of transfer ratio k are discussed. The POPI topology to realize loss-free controllable gyrator are given.

分析研究了五种无损双口网络，给出了无损POPI双口网络概念，设计了开、闭环控制变比k以实现无损可控时变变压器的电路结构，给出了实现无损可控回转器的POPI电路。

Focusing on the problem that existing Space-Time Frequency-Shift Keying incurs a spectral efficiency loss, this paper proposes a novel ST-FSK based on Hadamard matrix modulation coined as HST-FSK.

摘要针对现有的空时频移键控频谱利用率低的缺陷，该文提出了一种基于Hadamard矩阵调制的空时频移键控方案。

This article advances a new method through analyzing the braking system of the mine hoist and the available testing methods of parameters. This method can be used to test the parameters of braking system by means of turning off power, applying the brake, detecting the distance and the hodograph of run after it, and basing on the effect of applying the brake. The parameters can be tested and displayed by using the system consisting of PC and TMS320F240 DSP produced by TI company.

本文通过对提升机闸控系统及其现有闸控参数检测方法的分析，提出了一种在提升机低速运行时，通过切断电源、施加制动闸，检测施闸后的行程和速度图，依据提升机制动效果，测试出提升机闸控系统参数的方法，并采用TI公司生产的TMS320F240 DSP和PC机组成的两级计算机系统来实现参数的检测和显示。

The structure,characterastic and working principle of hydraulically engageable clutch are analyzed.

分析了路面铣刨机中液控离合器的结构、特点和工作原理，提出了设计时选型计算的依据，对合理安装和使用液控离合器提出了参考意见。

Human-based Legerity structure design, exquisite selection of material,secure and accurate.

使用一体化控制表，控温、控时准确。人性化的结构轻巧设计，用料考究，安全准确。

El Centro is input, simulation calculations are made on floating-peak tank with circular-ring energy dissipater. The research indicates this control system is effect to apply to decrease earthquake response. History time curves of displacement, absolute acceleration, shearing force and uplift angle are contrasted with and without control. The effect of sets of cirque costing-energy is discussed.

对实际应用的浮顶罐进行了数值仿真计算，所采用的控制体系具有较好的减震效果；对比了储液容器液固耦合质量无控与有控时的位移、绝对加速度和基底剪力和提离转角的时程曲线；探讨了圆环套数对减震效果的影响。

The major contributions of this thesis include: 1、 A novel CCSDS IDC based 3D wavelet video coding algorithm is put forward, which firstly employs Harr wavelet based motion compensated temporal filtering to reduce the similarities of video sequences, and then uses the IDC for intra-fame encoding.

该算法采用Harr小波运动补偿时域滤波去除运动序列的时域相关性，使用CCSDS IDC标准进行帧内小波变换和子带编码得到质量可控和时域可伸缩性码流。

The engine main circuit have to be gurranteed drawing the torque of electric motor and rotation speed wholly to do regulateing of independence ,But also possess extensive setting range SS7's mould electric locomotive adopts Quan Kongqiao and semi bridge accuseeing series connection to make up the monophase bridge style commutation electric circuit ,The coil power supply is encouraged against the stringtrain by the electric motor the drawing armature to 3 parallels operation ,Still there is an excitation commutation bridge ,He encourages the coil power supply with 3 electric motors drawing together to the series connection ,Moreover has one another accuses the regulating action .

机车主电路必须保证牵引电动机的转矩和转速都可作独立的调节，而且要有宽广的调节范围。SS7型电力机车采用一个全控桥和一个半控桥串联组成单相桥式整流电路，向3台并联工作的牵引电动机电枢与串励绕组供电，还有一个励磁整流桥，向串联在一起的3台牵引电动机他励绕组供电，并具有相控调节作用。可以实现机车无级调速和无级削磁。SS7型电力机车采用再生制动方式，再生制动时，牵引电动机作直流发电机工作，并且将电能馈送回接触网，此时电力机车相当于一个移动的发电站。

Breakthroughs in the design of the traditional method of packing circuit design, use of one-way valve to control packing purposes, through the electronic control system in the fuel tank of hydraulic circuit in a closed state-pressure pump motor, through the valve to adjust the proportion of Circuit The pressure to ensure that Circuit in the changing pressure, not only to conserve energy and prevent the oil temperature rose too high.

设计时突破传统的保压回路设计方法，采用液控单向阀达到保压目的，即通过电控系统在油缸液压回路处于保压状态时关闭油泵电机，通过比例阀来调节油路中的压力要求，保证油路中不断变化的压力，不但节约能源，而且防止油温上升过高。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失