抽样误差(sampling error)
第1题:
VBA中不能进行错误处理的语句是( )。
A.On Error Goto标号
B.On Error Then标号
C.On Error Resume Next
D.On Error Goto 0
第2题:
下列代码的执行结果是( )。
A.error1
B.error2
C.error1 error2
D.2 error2
第3题:
A.packetization
B.quantization
C.decoding
D.sampling
第4题:
Reliable delivery of messages is ensured by ______ techniques.
A.forward error correction
B.aftward error correction
C.DGPS
D.error-free and low error reception
第5题:
抽样误差(sampling error)
第6题:
What is the term that is used to describe the process of converting a signal from digital to analog?()
第7题:
cluster sampling
第8题:
简单随机取样(simple random sampling)
第9题:
Which of the following is TRUE about error processing?()
第10题:
SQLCODE in an On-Error trigger.
SQLCODE in an exception handler.
DBMS_ERROR_CODE in an On-Error trigger.
DBMS_ERROR_CODE in an exception handler.
第11题:
第12题:
packetization
quantization
decoding
sampling
第13题:
下列程序的运行结果是( )。
A.error1:10.5
B.error2
C.error1:10.5 error2
D.以上都不对
第14题:
VBA中不能进行错误处理的语句结构是
A.On Error Then 标号
B.On Error Goto 标号
C.On Error Resume Next
D.On Error Goto 0
第15题:
下列正确的说法有()。
A、类型抽样只存在组内抽样误差,不存在组间抽样误差。
B、类型抽样只存在组间抽样误差,不存在组内抽样误差。
C、整群抽样只存在群间抽样误差,不存在群内抽样误差。
D、整群抽样只存在群内抽样误差,不存在群间抽样误差。
E、类型抽样既存在组内抽样误差,又存在组间抽样误差。
第16题:
写出下列电磁流量计故障代码的含义:Error06(),Error07(),Error08(),Error20()。
第17题:
Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks?()
第18题:
系统抽样(systematic sampling)
第19题:
便利取样(convenience sampling)
第20题:
Which of the following statements best describes error logging?()
第21题:
第22题:
The three required steps in the analog to digital conversion are sampling,encoding,and compression.
The three required steps in the analog to digital conversion are sampling,quantization,and compression.
The three required steps in the analog to digital conversion are sampling,quantization,and encoding.
The output of the sampling process is a pulse code modulation (PCM) signal.
The output of the sampling process is a pulse amplitude modulation (PAM) signal.
第23题:
The error daemon runs in the foreground and reads the /etc/errpt file.
The error daemon is invoked by the user when required and it reads the /usr/lib/errpt.
The error daemon is invoked whenever the error occurs and it reads the /usr/lib/errpt.
The error daemon /usr/lib/errdemon runs in the background on most machines and reads the /dev/error special file.
第24题:
Syslogd creates error log entries in the system error log.
The default error log is stored in /var/adm/ras/error.log.
All entries in the error log are related to software problems.
Error logging is automatically enabled during system initialization.