然后，优化器可以将输入变量的值与编目统计进行比较，并为谓词计算出一个更好的选择估计。
The optimizer can then compare the input variable values to catalog statistics and compute a better selectivity estimate for predicates.
如果响应时间比较慢，处理器使用也比较低，可能是服务器没有足够的线程用于处理输入请求。
If response times are slow even though processor utilization is low, the server may not have enough threads to handle incoming requests.
本文提出了一种在输入信号上升延迟滞的比较器电路。
This paper introduces a hysteresis comparator whose output can be delayed when the input signal is in rising time.
模糊控制器的两个输入变量为设定值，与灰色预测模型的输出值之间比较得到预测误差及其预测误差的变化率。
The predictive error and its rate of change of the gray predictive model are taken to the fuzzy controller as two input variables.
介绍了一种结构比较简单、输出与输入同轴且输出在电机与减速器中间的减速传动。
One reducing transmission form the middle of motor and reducer, which has the same shaft for output and input and a simple structure, is introduced.
输入模拟信号立即与所有的参考电压通过一串高速比较器进行比较，高速比较器用于产生二进制输出。
The analog signal is compared with all the reference voltages at once by a string of high-speed comparators whose outputs are used to generate the binary output.
改变输入信号幅度、反馈增益系数、放大器增益、比较器增益等参数以及相位补偿器的位置进行了仿真。
Simulations have been done through adjusting parameters such as input signal amplitude, feedback gain, amplifier gain, comparator gain and the position of the phase compensator.
本发明提供一种用于确定输出到比较器的输入电压值的方法及光驱动电路。
The invention provides a method of performing input voltage value to comparator and an optical-driving circuit.
湿度传感器1通过检测电路12与比较器电路或者减法电路14的输入端相连；
The humidity sensor 1 is connected with the input end of the comparator circuit or the subtraction circuit 14 through a detection circuit 12.
本设计以AT89单片机为核心，配以传感器、输入电路、显示电路等构成性能价格比较高的转数测量仪。
WithAT89 single a machine for core, go together with to spread to feel machine, input the electric circuit, manifestation electric circuit etc.
当输入信号动态范围比较大时，系统性能通常被高精度模数转换器(adc)所限制。
When the input signal has a wide dynamic range, the system throughput is limited by the conversion rate of the high-resolution analog-to-digital converters (ADC).
LTC 4365提供两个比较器输入，以在2.5V至34v的正常工作范围内利用一个外部电阻分压器配置OV和UV设定点。
The LTC4365 provides two comparator inputs to configure the ov and UV set points within the normal operating range of 2.5v to 34v using an external resistive divider.
参考和模拟输入电压驱动神经网络，数字输出来源于网络中的比较器。
Reference and analog-input voltages drive the neural networks, and digital outputs come from the comparators in the networks.
迟滞比较器是一种阈值能随着输入信号而变化的比较器。
Hysteresis compactor is the one whose threshold value can change with the input signal.
文中提出了一种用于PWM控制器的比较器输出电路的设计，该电路基于电流模式控制，能够同时对三路输入信号进行比较输出并对输出信号进行锁存。
A comparator circuit based on current-mode control used in PWM controller is presented that is able to compare 3-data at a time and latch output signals.
比较不同驱动信号的驱动效果，发现方波输入能使驱动器获得最大的振幅。
The square wave signal can make the piezoelectric actuator gain a higher amplitude than with a sine wave, triangular wave, or toothed wave signal.
所述第一比较器的输出端和所述第二比较器的输出端分别连 接至RS触发器的输入端；
The output end of the first comparator and the output end of the second comparator are respectively connected to an input end of the RS trigger.
由于主要来自比较器输入器件的热噪声，比较器会做出错误的判定。
Due to thermal noise, mainly from the comparator input devices, the comparator can make a wrong decision.
本发明公开了一种以神经元电路为基本单元的电压比较器电路，它包括：一具有两个输入端和一个控制端的二选一电路，用于选择比较器的两输入信号之一；
The voltage comparator circuit using neural circuit as basic unit includes an either-or circuit with two input ends and one control end for selecting one of two input signals of comparator;
本发明公开了一种以神经元电路为基本单元的电压比较器电路，它包括：一具有两个输入端和一个控制端的二选一电路，用于选择比较器的两输入信号之一；
The voltage comparator circuit using neural circuit as basic unit includes an either-or circuit with two input ends and one control end for selecting one of two input signals of comparator;
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