Sampling technique that when the tops of the sample pulses retain their natural shape during the sample interva

Sampling technique that when the tops of the  sample pulses retain their natural shape  during the sample interva
by

1 Answer

Answer :

natural  sampling
by

Related questions

What is a device that provides a method of sampling energy from within a waveguide for measurement or use in another circuit?

Description : What is a device that provides a method of sampling energy from within a waveguide for measurement or use in another circuit?

Last Answer : Directional Coupler

A theory that establishes the minimum sampling rate that can be used for a given PCM systems.

Description : A theory that establishes the minimum sampling rate that can be used for a given PCM systems.

Last Answer : Nyquist sampling theorem

The result whenever the sampling rate is less than twice the highest audio frequency.

Description : The result whenever the sampling rate is less than twice the highest audio frequency.

Last Answer : alias

A theory that establishes the minimum sampling rate that can be used for a given PCM systems

Description : A theory that establishes the minimum sampling rate that can be used for a given PCM systems

Last Answer : Nyquist sampling theorem

The most common method used for sampling voice signals in PCM systems.

Description : The most common method used for sampling voice signals in PCM systems.

Last Answer : flat top sampling

Involves compression in the transmitter after the input sample has been converted to a linear PCM code and then expansion in the receiver prior to PCM coding:

Description : Involves compression in the transmitter after the input sample has been converted to a linear PCM code and then expansion in the receiver prior to PCM coding:

Last Answer : Digital companding

Type of PCM which is designed to take advantage of the sample-to-sample redundancies in the typical speech waveform

Description : Type of PCM which is designed to take advantage of the sample-to-sample redundancies in the typical speech waveform

Last Answer : Differential PCM

n T1, it is equal to the reciprocal of the sample rate

Description : n T1, it is equal to the reciprocal of the sample rate

Last Answer : Frame time

Which of the following will give a more “accurate” representation of the population from which a sample has been taken? a. A large sample based on the convenience sampling technique b. A small sample based on simple random sampling c. A large sample based on simple random sampling d. A small cluster sample

Description : Which of the following will give a more accurate representation of the population from which a sample has been taken? a. A large sample based on the convenience sampling technique b. A small ... simple random sampling c. A large sample based on simple random sampling d. A small cluster sample

Last Answer : c. A large sample based on simple random sampling

It is the most prevalent encoding technique used for TDM signals:

Description : It is the most prevalent encoding technique used for TDM signals:

Last Answer : PCM

A pulse modulation technique as the width of a constant amplitude pulse is varied proportional to the amplitude of the analog signal at the time the signal is sampled.

Description : A pulse modulation technique as the width of a constant amplitude pulse is varied proportional to the amplitude of the analog signal at the time the signal is sampled.

Last Answer : PWM, PLM, PDM

A modulation technique where data rates in excess of 56 kbps can be achieved over telephone circuits

Description : A modulation technique where data rates in excess of 56 kbps can be achieved over telephone circuits

Last Answer : Trellis Code Modulation

The size, shape, and dielectric material of a waveguide must be constant throughout its length for energy to move from one end to the other without reflections. What could be the effect in any abrupt change in its size or shape?

Description : The size, shape, and dielectric material of a waveguide must be constant throughout its length for energy to move from one end to the other without reflections. What could be the effect in any abrupt change in its size or shape?

Last Answer : Reflections.

These bends are caused by excessive pressure and tension and generally occur while fiber are bent during handling or installation.

Description : These bends are caused by excessive pressure and tension and generally occur while fiber are bent during handling or installation.

Last Answer : constant-radius bending

Which of the following is not true about stratified random sampling? a. It involves a random selection process from identified subgroups b. Proportions of groups in the sample must always match their population proportions c. Disproportional stratified random sampling is especially helpful for getting large enough subgroup samples when subgroup comparisons are to be done d. Proportional stratified random sampling yields a representative sample

Description : Which of the following is not true about stratified random sampling? a. It involves a random selection process from identified subgroups b. Proportions of groups in the sample must ... subgroup comparisons are to be done d. Proportional stratified random sampling yields a representative sample

Last Answer : D. Make the sample as large as possible

The fields surrounding the antenna do not collapse their energy back into the antenna but rather radiate it out in space

Description : The fields surrounding the antenna do not collapse their energy back into the antenna but rather radiate it out in space

Last Answer : radiation field

A _______ is a three-layer device that handles packets based on their logical addresses

Description : A _______ is a three-layer device that handles packets based on their logical addresses

Last Answer : router

The nonrandom sampling type that involves selecting a convenience sample from a population with a specific set of characteristics for your research study is called _____. a. Convenience sampling b. Quota sampling c. Purposive sampling d. Snowball sampling

Description : The nonrandom sampling type that involves selecting a convenience sample from a population with a specific set of characteristics for your research study is called _____. a. Convenience sampling b. Quota sampling c. Purposive sampling d. Snowball sampling

Last Answer : c. Purposive sampling

Determining the sample interval (represented by k), randomly selecting a number between 1 and k, and including each kth element in your sample are the steps for which form of sampling? a. Simple Random Sampling b. Stratified Random Sampling c. Systematic Sampling d. Cluster sampling

Description : Determining the sample interval (represented by k), randomly selecting a number between 1 and k, and including each kth element in your sample are the steps for which form of sampling? a. Simple Random Sampling b. Stratified Random Sampling c. Systematic Sampling d. Cluster sampling

Last Answer : c. Systematic Sampling

The process of drawing a sample from a population is known as _________. a. Sampling b. Census c. Survey research d. None of the above

Description : The process of drawing a sample from a population is known as _________. a. Sampling b. Census c. Survey research d. None of the above

Last Answer : a. Sampling

Which of the following would usually require the smallest sample size because of its efficiency? a. One stage cluster sampling b. Simple random sampling c. Two stage cluster sampling d. Quota sampling

Description : Which of the following would usually require the smallest sample size because of its efficiency? a. One stage cluster sampling b. Simple random sampling c. Two stage cluster sampling d. Quota sampling

Last Answer : b. Simple random sampling

The type of sampling in which each member of the population selected for the sample is returned to the population before the next member is selected is called _________. a. Sampling without replacement b. Sampling with replacement c. Simple random sampling d. Systematic sampling

Description : The type of sampling in which each member of the population selected for the sample is returned to the population before the next member is selected is called _________. a. Sampling without replacement b. Sampling with replacement c. Simple random sampling d. Systematic sampling

Last Answer : b. Sampling with replacement

If we took the 500 nursing students attending a school in Karachi, divided them by gender, and then took a random sample of the males and a random sampling of the females, the variable on which we would divide the population is called the _____. a. Independent variable b. Dependent variable c. Stratification variable d. Sampling variable

Description : If we took the 500 nursing students attending a school in Karachi, divided them by gender, and then took a random sample of the males and a random sampling of the females, the ... called the _____. a. Independent variable b. Dependent variable c. Stratification variable d. Sampling variable

Last Answer : c. Stratification variable

Which of the following would generally require the largest sample size? a. Cluster sampling b. Simple random sampling c. Systematic sampling d. Proportional stratified sampling

Description : Which of the following would generally require the largest sample size? a. Cluster sampling b. Simple random sampling c. Systematic sampling d. Proportional stratified sampling

Last Answer : a. Cluster sampling

Which of the following formulae is used to determine how many people to include in the original sampling? a. Desired sample size/Desired sample size + 1 b. Proportion likely to respond/desired sample size c. Proportion likely to respond/population size d. Desired sample size/Proportion likely to respond

Description : Which of the following formulae is used to determine how many people to include in the original sampling? a. Desired sample size/Desired sample size + 1 b. Proportion likely to respond/ ... size c. Proportion likely to respond/population size d. Desired sample size/Proportion likely to respond

Last Answer : d. Desired sample size/Proportion likely to respond

Which of the following statements are true? a. The larger the sample size, the greater the sampling error b. The more categories or breakdowns you want to make in your data analysis, the larger the sample needed c. The fewer categories or breakdowns you want to make in your data analysis, the larger the sample needed d. As sample size decreases, so does the size of the confidence interval

Description : Which of the following statements are true? a. The larger the sample size, the greater the sampling error b. The more categories or breakdowns you want to make in your data analysis, the larger ... the larger the sample needed d. As sample size decreases, so does the size of the confidence interval

Last Answer : b. The more categories or breakdowns you want to make in your data analysis, the larger the sample needed

Which of the following techniques yields a simple random sample? a. Choosing volunteers from an introductory psychology class to participate b. Listing the individuals by ethnic group and choosing a proportion from within each ethnic group at random. c. Numbering all the elements of a sampling frame and then using a random number table to pick cases from the table. d. Randomly selecting schools, and then sampling everyone within the school.

Description : Which of the following techniques yields a simple random sample? a. Choosing volunteers from an introductory psychology class to participate b. Listing the individuals by ethnic group and choosing a ... from the table. d. Randomly selecting schools, and then sampling everyone within the school.

Last Answer : c. Numbering all the elements of a sampling frame and then using a random number table to pick cases from the table

When each member of a population has an equally likely chance of being selected, this is called: a. A nonrandom sampling method b. A quota sample c. A snowball sample d. A Random Sample

Description : When each member of a population has an equally likely chance of being selected, this is called: a. A nonrandom sampling method b. A quota sample c. A snowball sample d. A Random Sample

Last Answer : d. A Random Sample

Which of the following types of sampling involves the researcher determining the appropriate sample sizes for the groups identified as important, and then taking convenience samples from those groups? a. Proportional stratified sampling b. Quota sampling c. One-stage cluster sampling d. Two-stage cluster sampling

Description : Which of the following types of sampling involves the researcher determining the appropriate sample sizes for the groups identified as important, and then taking convenience samples from those groups? a. ... sampling b. Quota sampling c. One-stage cluster sampling d. Two-stage cluster sampling

Last Answer : b. Quota sampling

Sampling criteria may be used by Nurse to develop the desired sample. Characteristics those must be present for a subject to be included in the sample is called: a. Inclusion criteria b. Exclusion criteria c. Representativeness d. Consent

Description : Sampling criteria may be used by Nurse to develop the desired sample. Characteristics those must be present for a subject to be included in the sample is called: a. Inclusion criteria b. Exclusion criteria c. Representativeness d. Consent

Last Answer : a. Inclusion criteria

The use of statistics to make assumptions concerning some unknown aspect of a population from a sample of that population is known as follow; a. Inferential Statistics b. Parameter c. Descriptive Statistics d. Sampling

Description : The use of statistics to make assumptions concerning some unknown aspect of a population from a sample of that population is known as follow; a. Inferential Statistics b. Parameter c. Descriptive Statistics d. Sampling

Last Answer : a. Inferential Statistics

When a population is divided into distinct groups based on some particular characteristic and a probability sample is taken from each group, this exemplifies: A)area sampling B)quota sampling C)stratified sampling D)cluster sampling E)simple random sampling

Description : When a population is divided into distinct groups based on some particular characteristic and a probability sample is taken from each group, this exemplifies: A)area sampling B)quota sampling C)stratified sampling D)cluster sampling E)simple random sampling

Last Answer : D)cluster sampling

Which sampling design gives every member of the population an equal chance of appearing in the sample? A)area sampling B)random sampling C)quota sampling D)stratified sampling E)total population sampling

Description : Which sampling design gives every member of the population an equal chance of appearing in the sample? A)area sampling B)random sampling C)quota sampling D)stratified sampling E)total population sampling

Last Answer : B)random sampling

In qualitative research paradigm, which of the following features may be considered critical? (A) Data collection with standardised research tools. (B) Sampling design with probability sample techniques. (C) Data collection with bottom-up empirical evidences. (D) Data gathering to take with top-down systematic evidences.

Description : In qualitative research paradigm, which of the following features may be considered critical? (A) Data collection with standardised research tools. (B) Sampling design with probability sample techniques ... evidences. (D) Data gathering to take with top-down systematic evidences.

Last Answer : (C) Data collection with bottom-up empirical evidences.

The population information is called parameter while the corresponding sample information is known as (A) Universe (B) Inference (C) Sampling design (D) Statistics

Description : The population information is called parameter while the corresponding sample information is known as (A) Universe (B) Inference (C) Sampling design (D) Statistics

Last Answer : Answer: D

Sampling error decreases with the (A) decrease in sample size (B) increase in sample size (C) process of randomization (D) process of analysis

Description : Sampling error decreases with the (A) decrease in sample size (B) increase in sample size (C) process of randomization (D) process of analysis

Last Answer : (B) increase in sample size

Which one of the following principles is not applicable to sampling? (A) Sample units must be clearly defined (B) Sample units must be dependent on each other (C) Same units of sample should be used throughout the study (D) Sample units must be chosen in a systematic and objective manner

Description : Which one of the following principles is not applicable to sampling? (A) Sample units must be clearly defined (B) Sample units must be dependent on each other (C) Same units of sample should be used throughout the study (D) Sample units must be chosen in a systematic and objective manner

Last Answer : (B) Sample units must be dependent on each other

Digital transmission provides a higher level of signal quality than analog transmission because A. repeaters regenerate digital pulses and remove distorstion B. digital signals are easier to sample than analog signals C. digital signals are smaller than analog signals and cannot easily be distorted D. analog signals are continuous and not easily distorted.

Description : Digital transmission provides a higher level of signal quality than analog transmission because A. repeaters regenerate digital pulses and remove distorstion B. digital signals are easier to sample than ... and cannot easily be distorted D. analog signals are continuous and not easily distorted.

Last Answer : A. repeaters regenerate digital pulses and remove distorstion

The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females (a) who cannot produce an ovum (b) who cannot retain the fetus inside uterus (c) whose cervical canal is too narrow to allow passage for the sperms (d) who cannot provide suitable environment for fertilisation.

Description : The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females (a) who cannot produce an ovum (b) who cannot retain the fetus inside uterus (c) whose cervical ... narrow to allow passage for the sperms (d) who cannot provide suitable environment for fertilisation.

Last Answer : (a) who cannot produce an ovum

The magnetic field of an antenna is perpendicular to the earth. The antenna’s polarization ___

Description : The magnetic field of an antenna is perpendicular to the earth. The antenna’s polarization ___

Last Answer : is horizontal

It is the ratio of the power density radiated in a particular direction to the power density radiated to the same point by a reference antenna, assuming both antennas are radiating the same amount of power

Description : It is the ratio of the power density radiated in a particular direction to the power density radiated to the same point by a reference antenna, assuming both antennas are radiating the same amount of power

Last Answer : directive gain

The property of interchangeability for the transmitting and receiving operations is known as ____

Description : The property of interchangeability for the transmitting and receiving operations is known as ____

Last Answer : reciprocity

It is the ratio of the radiated to the reflected energy:

Description : It is the ratio of the radiated to the reflected energy:

Last Answer : Radiation efficiency

It is the resistance that, if it replaced the antenna, would dissipate exactly the same amount of power that the antenna radiates

Description : It is the resistance that, if it replaced the antenna, would dissipate exactly the same amount of power that the antenna radiates

Last Answer : . Radiation resistance

Plots of field strength or power density with respect to the value at a reference point.

Description : Plots of field strength or power density with respect to the value at a reference point.

Last Answer : relative radiation pattern

The radiation pattern plotted in terms of electric field strength or power density

Description : The radiation pattern plotted in terms of electric field strength or power density

Last Answer : absolute radiation pattern

The line bisecting the major lobe, or pointing from the center of the antenna in the direction of maximum radiation is called _____

Description : The line bisecting the major lobe, or pointing from the center of the antenna in the direction of maximum radiation is called _____

Last Answer : line of shoot

A special type of transmission line that consist of conducting metallic tube through which high frequency electromagnetic energy is propagated

Description : A special type of transmission line that consist of conducting metallic tube through which high frequency electromagnetic energy is propagated

Last Answer : waveguide

If energy is applied at the geometrical center of antenna, the antenna is said to be ___

Description : If energy is applied at the geometrical center of antenna, the antenna is said to be ___

Last Answer : center-fed

The radiation pattern of collinear and a broadside antenna is __

Description : The radiation pattern of collinear and a broadside antenna is __

Last Answer : bidirectional